[libc-commits] [libc] [llvm] [libc] Modify NaN/payload functions for emulated float128 type (#221574) (PR #221946)
via libc-commits
libc-commits at lists.llvm.org
Fri Sep 18 22:09:24 PDT 2026
https://github.com/Popie52 updated https://github.com/llvm/llvm-project/pull/221946
>From 78f69b32abcbae70ed629ffd3790e25088add9f0 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Tue, 8 Sep 2026 15:20:32 +0530
Subject: [PATCH 1/8] [libc] Modify NaN/payload functions for emulated float128
type
---
libc/config/baremetal/aarch64/entrypoints.txt | 8 ++---
libc/config/baremetal/arm/entrypoints.txt | 8 ++---
libc/config/baremetal/riscv/entrypoints.txt | 8 ++---
libc/config/darwin/aarch64/entrypoints.txt | 8 ++---
libc/config/freebsd/x86_64/entrypoints.txt | 8 ++---
libc/config/linux/aarch64/entrypoints.txt | 8 ++---
libc/config/linux/riscv/entrypoints.txt | 8 ++---
libc/config/linux/x86_64/entrypoints.txt | 8 ++---
libc/shared/math/getpayloadf128.h | 6 ----
libc/shared/math/nanf128.h | 6 ----
libc/shared/math/setpayloadf128.h | 6 ----
libc/shared/math/setpayloadsigf128.h | 6 ----
libc/src/__support/math/CMakeLists.txt | 8 ++---
libc/src/__support/math/getpayloadf128.h | 11 +++----
libc/src/__support/math/nanf128.h | 13 +++-----
libc/src/__support/math/setpayloadf128.h | 11 +++----
libc/src/__support/math/setpayloadsigf128.h | 25 ++++++++-------
libc/src/math/generic/CMakeLists.txt | 3 ++
libc/src/math/generic/getpayloadf128.cpp | 5 ++-
libc/src/math/generic/setpayloadf128.cpp | 5 ++-
libc/src/math/generic/setpayloadsigf128.cpp | 5 ++-
libc/src/math/getpayloadf128.h | 5 +++
libc/src/math/nanf128.h | 5 +++
libc/src/math/setpayloadf128.h | 5 +++
libc/src/math/setpayloadsigf128.h | 5 +++
.../shared/shared_math_constexpr_test.cpp | 24 ++++++++------
libc/test/shared/shared_math_test.cpp | 31 ++++++++++---------
libc/test/src/math/smoke/CMakeLists.txt | 4 +++
.../src/math/smoke/getpayloadf128_test.cpp | 5 +++
libc/test/src/math/smoke/nanf128_test.cpp | 5 +++
.../src/math/smoke/setpayloadf128_test.cpp | 8 ++++-
.../src/math/smoke/setpayloadsigf128_test.cpp | 5 +++
.../llvm-project-overlay/libc/BUILD.bazel | 15 ++++++---
.../libc/test/src/math/smoke/BUILD.bazel | 9 ++++++
34 files changed, 174 insertions(+), 126 deletions(-)
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
index 114534ce61ae6e..7cd741efe6b4af 100644
--- a/libc/config/baremetal/aarch64/entrypoints.txt
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -486,6 +486,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -543,6 +544,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -588,9 +590,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -782,13 +786,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -796,8 +798,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index c8148815c34e34..1cbdf8e60cd854 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -498,6 +498,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -555,6 +556,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -600,9 +602,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -793,13 +797,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -807,8 +809,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index 622d6156cff11d..70123b25805cf7 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -489,6 +489,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -546,6 +547,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -591,9 +593,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -785,13 +789,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -799,8 +801,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/darwin/aarch64/entrypoints.txt b/libc/config/darwin/aarch64/entrypoints.txt
index d702b2c5a65497..8689e42592ec1a 100644
--- a/libc/config/darwin/aarch64/entrypoints.txt
+++ b/libc/config/darwin/aarch64/entrypoints.txt
@@ -307,6 +307,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -364,6 +365,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -409,9 +411,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -604,13 +608,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -618,8 +620,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/freebsd/x86_64/entrypoints.txt b/libc/config/freebsd/x86_64/entrypoints.txt
index 8f6c178301c2f2..42d52b3ebc6c2c 100644
--- a/libc/config/freebsd/x86_64/entrypoints.txt
+++ b/libc/config/freebsd/x86_64/entrypoints.txt
@@ -267,6 +267,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -347,6 +348,7 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsqrtl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.iscanonical
libc.src.math.iscanonicalf
@@ -371,9 +373,11 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.roundevenl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sincos
libc.src.math.sinpif
@@ -537,13 +541,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -551,8 +553,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index fe1c2965f778b7..d5f92bdd8d8a83 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -686,6 +686,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -743,6 +744,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -788,9 +790,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -976,13 +980,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -990,8 +992,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index 51587056fb02d6..0dca3ebe7f4156 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -748,6 +748,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -805,6 +806,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -850,9 +852,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -1055,13 +1059,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -1069,8 +1071,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index f21d48d6ef9e7c..3431582656157b 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -764,6 +764,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -821,6 +822,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -866,9 +868,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
@@ -1071,13 +1075,11 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.fromfpxf128
libc.src.math.fsqrtf128
libc.src.math.fsubf128
- libc.src.math.getpayloadf128
libc.src.math.ilogbf128
libc.src.math.ldexpf128
libc.src.math.llogbf128
libc.src.math.logbf128
libc.src.math.modff128
- libc.src.math.nanf128
libc.src.math.nextafterf128
libc.src.math.nextdownf128
libc.src.math.nextupf128
@@ -1085,8 +1087,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.remquof128
libc.src.math.scalblnf128
libc.src.math.scalbnf128
- libc.src.math.setpayloadf128
- libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
libc.src.math.ufromfpf128
diff --git a/libc/shared/math/getpayloadf128.h b/libc/shared/math/getpayloadf128.h
index 1a3845e631a8b6..199c9e5df084d6 100644
--- a/libc/shared/math/getpayloadf128.h
+++ b/libc/shared/math/getpayloadf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/getpayloadf128.h"
@@ -24,6 +20,4 @@ using math::getpayloadf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
diff --git a/libc/shared/math/nanf128.h b/libc/shared/math/nanf128.h
index 313b6ed6234c52..f1dd96387680ec 100644
--- a/libc/shared/math/nanf128.h
+++ b/libc/shared/math/nanf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_NANF128_H
#define LLVM_LIBC_SHARED_MATH_NANF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/nanf128.h"
@@ -24,6 +20,4 @@ using math::nanf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_NANF128_H
diff --git a/libc/shared/math/setpayloadf128.h b/libc/shared/math/setpayloadf128.h
index a1f889e89ed394..7efdc34dd15775 100644
--- a/libc/shared/math/setpayloadf128.h
+++ b/libc/shared/math/setpayloadf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/setpayloadf128.h"
@@ -24,6 +20,4 @@ using math::setpayloadf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
diff --git a/libc/shared/math/setpayloadsigf128.h b/libc/shared/math/setpayloadsigf128.h
index 3169b610ccb4d5..a10e07124dad74 100644
--- a/libc/shared/math/setpayloadsigf128.h
+++ b/libc/shared/math/setpayloadsigf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/setpayloadsigf128.h"
@@ -24,6 +20,4 @@ using math::setpayloadsigf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
diff --git a/libc/src/__support/math/CMakeLists.txt b/libc/src/__support/math/CMakeLists.txt
index 0871a5bf229b63..93882290807db2 100644
--- a/libc/src/__support/math/CMakeLists.txt
+++ b/libc/src/__support/math/CMakeLists.txt
@@ -2181,7 +2181,7 @@ add_header_library(
HDRS
nanf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
libc.src.__support.str_to_float
libc.src.__support.libc_errno
@@ -3852,7 +3852,7 @@ add_header_library(
HDRS
getpayloadf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
libc.src.__support.macros.config
)
@@ -4771,7 +4771,7 @@ add_header_library(
HDRS
setpayloadf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
libc.src.__support.macros.config
)
@@ -4828,7 +4828,7 @@ add_header_library(
HDRS
setpayloadsigf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
libc.src.__support.macros.config
)
diff --git a/libc/src/__support/math/getpayloadf128.h b/libc/src/__support/math/getpayloadf128.h
index aed53ee4adbce9..98d4d529b0f312 100644
--- a/libc/src/__support/math/getpayloadf128.h
+++ b/libc/src/__support/math/getpayloadf128.h
@@ -9,24 +9,21 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr float128 getpayloadf128(const float128 *x) {
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr Float128 getpayloadf128(const Float128 *x) {
return fputil::getpayload(*x);
}
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
diff --git a/libc/src/__support/math/nanf128.h b/libc/src/__support/math/nanf128.h
index 5cc1010939d3c6..de445eeab900bc 100644
--- a/libc/src/__support/math/nanf128.h
+++ b/libc/src/__support/math/nanf128.h
@@ -9,19 +9,18 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/libc_errno.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/str_to_float.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr float128 nanf128(const char *arg) {
- auto result = internal::strtonan<float128>(arg);
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr Float128 nanf128(const char *arg) {
+ auto result = internal::strtonan<Float128>(arg);
if (result.has_error())
libc_errno = result.error;
return result.value;
@@ -30,6 +29,4 @@ LIBC_INLINE constexpr float128 nanf128(const char *arg) {
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
diff --git a/libc/src/__support/math/setpayloadf128.h b/libc/src/__support/math/setpayloadf128.h
index 4e022d8ec91d40..f2ed808866ada5 100644
--- a/libc/src/__support/math/setpayloadf128.h
+++ b/libc/src/__support/math/setpayloadf128.h
@@ -9,24 +9,21 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr int setpayloadf128(float128 *res, float128 pl) {
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr int setpayloadf128(Float128 *res, Float128 pl) {
return static_cast<int>(fputil::setpayload</*IsSignaling=*/false>(*res, pl));
}
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
diff --git a/libc/src/__support/math/setpayloadsigf128.h b/libc/src/__support/math/setpayloadsigf128.h
index c9bd9498cfb744..0f41af7e9769bb 100644
--- a/libc/src/__support/math/setpayloadsigf128.h
+++ b/libc/src/__support/math/setpayloadsigf128.h
@@ -1,32 +1,35 @@
-//===-- Implementation header for setpayloadsigf128 -------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Implementation header for setpayloadsigf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADSIGF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
-#include "src/__support/FPUtil/BasicOperations.h"
-#include "src/__support/macros/config.h"
+#include "src/__support/FPUtil/float128.h"
+#include "src/__support/CPP/type_traits.h"
+#include "src/__support/common.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr int setpayloadsigf128(float128 *res, float128 pl) {
- return static_cast<int>(fputil::setpayload</*IsSignaling=*/true>(*res, pl));
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr int setpayloadsigf128(Float128 *res, Float128 pl) {
+ return static_cast<int>(
+ fputil::setpayload</*IsSignaling=*/true>(*res, pl));
}
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADSIGF128_H
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index 28b8e954530ddf..3cffe69f7ca5fe 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -4409,6 +4409,7 @@ add_entrypoint_object(
HDRS
../getpayloadf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.getpayloadf128
)
@@ -4469,6 +4470,7 @@ add_entrypoint_object(
HDRS
../setpayloadf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.setpayloadf128
)
@@ -4529,6 +4531,7 @@ add_entrypoint_object(
HDRS
../setpayloadsigf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.setpayloadsigf128
)
diff --git a/libc/src/math/generic/getpayloadf128.cpp b/libc/src/math/generic/getpayloadf128.cpp
index ba2b1cf798f3b9..648acfd555f0c2 100644
--- a/libc/src/math/generic/getpayloadf128.cpp
+++ b/libc/src/math/generic/getpayloadf128.cpp
@@ -7,12 +7,15 @@
//===----------------------------------------------------------------------===//
#include "src/math/getpayloadf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/getpayloadf128.h"
namespace LIBC_NAMESPACE_DECL {
+using LIBC_NAMESPACE::fputil::Float128;
+
LLVM_LIBC_FUNCTION(float128, getpayloadf128, (const float128 *x)) {
- return math::getpayloadf128(x);
+ return cpp::bit_cast<float128>(math::getpayloadf128(cpp::bit_cast<const Float128 *>(x)));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadf128.cpp b/libc/src/math/generic/setpayloadf128.cpp
index 83a3218688a999..fa71b46a8a89c4 100644
--- a/libc/src/math/generic/setpayloadf128.cpp
+++ b/libc/src/math/generic/setpayloadf128.cpp
@@ -7,12 +7,15 @@
//===----------------------------------------------------------------------===//
#include "src/math/setpayloadf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/setpayloadf128.h"
namespace LIBC_NAMESPACE_DECL {
+using LIBC_NAMESPACE::fputil::Float128;
+
LLVM_LIBC_FUNCTION(int, setpayloadf128, (float128 * res, float128 pl)) {
- return math::setpayloadf128(res, pl);
+ return math::setpayloadf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadsigf128.cpp b/libc/src/math/generic/setpayloadsigf128.cpp
index a3972286767b52..91dd561568d478 100644
--- a/libc/src/math/generic/setpayloadsigf128.cpp
+++ b/libc/src/math/generic/setpayloadsigf128.cpp
@@ -7,12 +7,15 @@
//===----------------------------------------------------------------------===//
#include "src/math/setpayloadsigf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/setpayloadsigf128.h"
namespace LIBC_NAMESPACE_DECL {
+using LIBC_NAMESPACE::fputil::Float128;
+
LLVM_LIBC_FUNCTION(int, setpayloadsigf128, (float128 * res, float128 pl)) {
- return math::setpayloadsigf128(res, pl);
+ return math::setpayloadsigf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/getpayloadf128.h b/libc/src/math/getpayloadf128.h
index 7ebb4290d4f8a3..383b03219203e5 100644
--- a/libc/src/math/getpayloadf128.h
+++ b/libc/src/math/getpayloadf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
float128 getpayloadf128(const float128 *x);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/nanf128.h b/libc/src/math/nanf128.h
index 1c1323adcd7812..4bc24649f0e33c 100644
--- a/libc/src/math/nanf128.h
+++ b/libc/src/math/nanf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_NANF128_H
#define LLVM_LIBC_SRC_MATH_NANF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
float128 nanf128(const char *arg);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/setpayloadf128.h b/libc/src/math/setpayloadf128.h
index e46aef38256db6..d3f357bc6c49fe 100644
--- a/libc/src/math/setpayloadf128.h
+++ b/libc/src/math/setpayloadf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SRC_MATH_SETPAYLOADF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
int setpayloadf128(float128 *res, float128 pl);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/setpayloadsigf128.h b/libc/src/math/setpayloadsigf128.h
index 4e036b9c8ba007..80bc58c4998184 100644
--- a/libc/src/math/setpayloadsigf128.h
+++ b/libc/src/math/setpayloadsigf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SRC_MATH_SETPAYLOADSIGF128_H
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
#include "src/__support/macros/properties/types.h"
namespace LIBC_NAMESPACE_DECL {
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
int setpayloadsigf128(float128 *res, float128 pl);
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/shared/shared_math_constexpr_test.cpp b/libc/test/shared/shared_math_constexpr_test.cpp
index 370c31e193f5e7..74eb4293f93320 100644
--- a/libc/test/shared/shared_math_constexpr_test.cpp
+++ b/libc/test/shared/shared_math_constexpr_test.cpp
@@ -451,6 +451,20 @@ static_assert(Float128(0.0) ==
LIBC_NAMESPACE::shared::roundf128(Float128(0.0)));
static_assert(Float128(0.0) ==
LIBC_NAMESPACE::shared::truncf128(Float128(0.0)));
+static_assert(Float128(-1.0) == [] {
+ Float128 getpayload_x = Float128(0.0);
+ return LIBC_NAMESPACE::shared::getpayloadf128(&getpayload_x);
+}());
+static_assert(1 == [] {
+ const char arg{};
+ return LIBC_NAMESPACE::fputil::FPBits<Float128>(
+ LIBC_NAMESPACE::shared::nanf128(&arg))
+ .is_nan();
+}());
+static_assert(0 == [] {
+ Float128 setpayload_x = Float128(0.0);
+ return LIBC_NAMESPACE::shared::setpayloadf128(&setpayload_x, Float128(0.0));
+}());
//===----------------------------------------------------------------------===//
// Native Float128 Tests
@@ -477,10 +491,6 @@ static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::fromfpf128(float128(0.0), 0, 32));
static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::fromfpxf128(float128(0.0), 0, 32));
-static_assert(float128(-1.0) == [] {
- float128 getpayload_x = float128(0.0);
- return LIBC_NAMESPACE::shared::getpayloadf128(&getpayload_x);
-}());
static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::ufromfpf128(float128(0.0), 0, 32));
static_assert(float128(0.0) ==
@@ -527,12 +537,6 @@ static_assert(0.0f ==
static_assert(float128(0.0) ==
LIBC_NAMESPACE::shared::nextafterf128(float128(0.0),
float128(0.0)));
-static_assert(1 == [] {
- const char arg{};
- return LIBC_NAMESPACE::fputil::FPBits<float128>(
- LIBC_NAMESPACE::shared::nanf128(&arg))
- .is_nan();
-}());
#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
diff --git a/libc/test/shared/shared_math_test.cpp b/libc/test/shared/shared_math_test.cpp
index 7b785331f36c6a..cfae2a1ab48f51 100644
--- a/libc/test/shared/shared_math_test.cpp
+++ b/libc/test/shared/shared_math_test.cpp
@@ -581,6 +581,8 @@ TEST(LlvmLibcSharedMathTest, AllLongDouble) {
// Emulated float128 tests
TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
+ using FPBits = LIBC_NAMESPACE::fputil::FPBits<Float128>;
+
EXPECT_FP_EQ(Float128(0.0),
LIBC_NAMESPACE::shared::atan2f128(Float128(0.0), Float128(0.0)));
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::ceilf128(Float128(0.0)));
@@ -625,6 +627,20 @@ TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::roundf128(Float128(0.0)));
EXPECT_FP_EQ(Float128(1.0), LIBC_NAMESPACE::shared::sqrtf128(Float128(1.0)));
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::truncf128(Float128(0.0)));
+ EXPECT_TRUE(FPBits(LIBC_NAMESPACE::shared::nanf128("")).is_nan());
+
+ Float128 getpayloadf128_x = Float128(0.0);
+ EXPECT_FP_EQ(Float128(-1.0),
+ LIBC_NAMESPACE::shared::getpayloadf128(&getpayloadf128_x));
+
+ Float128 setpayloadf128_res = Float128(0.0);
+ EXPECT_EQ(0, LIBC_NAMESPACE::shared::setpayloadf128(&setpayloadf128_res,
+ Float128(0.0)));
+
+ Float128 setpayloadsigf128_res = Float128(0.0);
+ EXPECT_EQ(1, LIBC_NAMESPACE::shared::setpayloadsigf128(&setpayloadsigf128_res,
+ Float128(0.0)));
+ EXPECT_FP_EQ(Float128(0.0), setpayloadsigf128_res);
}
#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
@@ -681,20 +697,6 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
LIBC_NAMESPACE::shared::faddf128(float128(0.0), float128(0.0)));
EXPECT_FP_EQ(1.0f,
LIBC_NAMESPACE::shared::fdivf128(float128(1.0), float128(1.0)));
-
- float128 getpayloadf128_x = float128(0.0);
- EXPECT_FP_EQ(float128(-1.0),
- LIBC_NAMESPACE::shared::getpayloadf128(&getpayloadf128_x));
-
- float128 setpayloadf128_res = float128(0.0);
- EXPECT_EQ(0, LIBC_NAMESPACE::shared::setpayloadf128(&setpayloadf128_res,
- float128(0.0)));
-
- float128 setpayloadsigf128_res = float128(0.0);
- EXPECT_EQ(1, LIBC_NAMESPACE::shared::setpayloadsigf128(&setpayloadsigf128_res,
- float128(0.0)));
- EXPECT_FP_EQ(float128(0.0), setpayloadsigf128_res);
-
float128 neg_min_denormal = FPBits::min_subnormal(Sign::NEG).get_val();
EXPECT_FP_EQ(neg_min_denormal,
LIBC_NAMESPACE::shared::nextdownf128(float128(0.0)));
@@ -754,7 +756,6 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
LIBC_NAMESPACE::shared::fsubf128(float128(0.0), float128(0.0)));
EXPECT_FP_EQ(0x0p+0f,
LIBC_NAMESPACE::shared::fmulf128(float128(0.0), float128(0.0)));
- EXPECT_TRUE(FPBits(LIBC_NAMESPACE::shared::nanf128("")).is_nan());
}
#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
diff --git a/libc/test/src/math/smoke/CMakeLists.txt b/libc/test/src/math/smoke/CMakeLists.txt
index 603998cd1c41c9..1015b80172d66e 100644
--- a/libc/test/src/math/smoke/CMakeLists.txt
+++ b/libc/test/src/math/smoke/CMakeLists.txt
@@ -3935,6 +3935,7 @@ add_fp_unittest(
DEPENDS
libc.hdr.signal_macros
libc.src.math.nanf128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.fp_bits
# FIXME: The nan tests currently have death tests, which aren't supported for
# hermetic tests.
@@ -5572,6 +5573,7 @@ add_fp_unittest(
GetPayloadTest.h
DEPENDS
libc.src.math.getpayloadf128
+ libc.src.__support.FPUtil.float128
)
add_fp_unittest(
@@ -5645,6 +5647,7 @@ add_fp_unittest(
SetPayloadTest.h
DEPENDS
libc.src.math.setpayloadf128
+ libc.src.__support.FPUtil.float128
)
add_fp_unittest(
@@ -5718,6 +5721,7 @@ add_fp_unittest(
SetPayloadSigTest.h
DEPENDS
libc.src.math.setpayloadsigf128
+ libc.src.__support.FPUtil.float128
)
add_fp_unittest(
diff --git a/libc/test/src/math/smoke/getpayloadf128_test.cpp b/libc/test/src/math/smoke/getpayloadf128_test.cpp
index 77304abfbbc0a9..41af1066b11c71 100644
--- a/libc/test/src/math/smoke/getpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/getpayloadf128_test.cpp
@@ -8,6 +8,11 @@
#include "GetPayloadTest.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/math/getpayloadf128.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
LIST_GETPAYLOAD_TESTS(Getpayloadf128, float128, LIBC_NAMESPACE::getpayloadf128)
diff --git a/libc/test/src/math/smoke/nanf128_test.cpp b/libc/test/src/math/smoke/nanf128_test.cpp
index 40b347de25f7a9..ef781cbdf1b9b6 100644
--- a/libc/test/src/math/smoke/nanf128_test.cpp
+++ b/libc/test/src/math/smoke/nanf128_test.cpp
@@ -7,6 +7,7 @@
//===----------------------------------------------------------------------===//
#include "hdr/signal_macros.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/FPUtil/FPBits.h"
#include "src/__support/uint128.h"
#include "src/math/nanf128.h"
@@ -14,6 +15,10 @@
#include "test/UnitTest/FPMatcher.h"
#include "test/UnitTest/Test.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif
+
class LlvmLibcNanf128Test : public LIBC_NAMESPACE::testing::FEnvSafeTest {
public:
using FPBits128 = LIBC_NAMESPACE::fputil::FPBits<float128>;
diff --git a/libc/test/src/math/smoke/setpayloadf128_test.cpp b/libc/test/src/math/smoke/setpayloadf128_test.cpp
index 3e386972980e13..0048827944be76 100644
--- a/libc/test/src/math/smoke/setpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadf128_test.cpp
@@ -8,6 +8,12 @@
#include "SetPayloadTest.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/math/setpayloadf128.h"
-LIST_SETPAYLOAD_TESTS(Setpayloadf128, float128, LIBC_NAMESPACE::setpayloadf128)
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
+LIST_SETPAYLOAD_TESTS(Setpayloadf128, float128,
+ LIBC_NAMESPACE::setpayloadf128)
diff --git a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
index 90f2a2aef9569f..575573306de4ad 100644
--- a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
@@ -8,7 +8,12 @@
#include "SetPayloadSigTest.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/math/setpayloadsigf128.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
LIST_SETPAYLOADSIG_TESTS(Setpayloadsigf128, float128,
LIBC_NAMESPACE::setpayloadsigf128)
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index cdbf40b3e81a24..a790601e58a9c2 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -5458,9 +5458,9 @@ libc_support_library(
name = "__support_math_setpayloadf128",
hdrs = ["src/__support/math/setpayloadf128.h"],
deps = [
+ ":__support_fputil_float128",
":__support_fputil_basic_operations",
":__support_macros_config",
- ":llvm_libc_types_float128",
],
)
@@ -5516,8 +5516,8 @@ libc_support_library(
hdrs = ["src/__support/math/setpayloadsigf128.h"],
deps = [
":__support_fputil_basic_operations",
+ ":__support_fputil_float128",
":__support_macros_config",
- ":llvm_libc_types_float128",
],
)
@@ -7607,10 +7607,10 @@ libc_support_library(
name = "__support_math_nanf128",
hdrs = ["src/__support/math/nanf128.h"],
deps = [
+ ":__support_fputil_float128",
":__support_libc_errno",
":__support_macros_config",
":__support_str_to_float",
- ":llvm_libc_types_float128",
],
)
@@ -9276,9 +9276,9 @@ libc_support_library(
name = "__support_math_getpayloadf128",
hdrs = ["src/__support/math/getpayloadf128.h"],
deps = [
+ ":__support_fputil_float128",
":__support_fputil_basic_operations",
":__support_macros_config",
- ":llvm_libc_types_float128",
],
)
@@ -13416,6 +13416,8 @@ libc_math_function(
libc_math_function(
name = "getpayloadf128",
additional_deps = [
+ ":__support_cpp_bit",
+ ":__support_fputil_float128",
":__support_math_getpayloadf128",
],
)
@@ -13952,6 +13954,7 @@ libc_math_function(
libc_math_function(
name = "nanf128",
additional_deps = [
+ ":__support_fputil_float128",
":__support_math_nanf128",
],
)
@@ -14527,6 +14530,8 @@ libc_math_function(
libc_math_function(
name = "setpayloadf128",
additional_deps = [
+ ":__support_cpp_bit",
+ ":__support_fputil_float128",
":__support_math_setpayloadf128",
],
)
@@ -14569,6 +14574,8 @@ libc_math_function(
libc_math_function(
name = "setpayloadsigf128",
additional_deps = [
+ ":__support_cpp_bit",
+ ":__support_fputil_float128",
":__support_math_setpayloadsigf128",
],
)
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
index e1d9305617303e..e7c2e531c22850 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
@@ -1232,6 +1232,9 @@ math_test(
math_test(
name = "getpayloadf128",
hdrs = ["GetPayloadTest.h"],
+ deps = [
+ "//libc:__support_fputil_float128",
+ ],
)
math_test(
@@ -2051,6 +2054,9 @@ math_test(
math_test(
name = "setpayloadf128",
hdrs = ["SetPayloadTest.h"],
+ deps = [
+ "//libc:__support_fputil_float128",
+ ],
)
math_test(
@@ -2084,6 +2090,9 @@ math_test(
math_test(
name = "setpayloadsigf128",
hdrs = ["SetPayloadSigTest.h"],
+ deps = [
+ "//libc:__support_fputil_float128",
+ ]
)
math_test(
>From 5f9aa847cc4951ae797f85328c7c507385b947e4 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Tue, 8 Sep 2026 18:42:59 +0530
Subject: [PATCH 2/8] [libc] Fix emulated f128 NaN payload entrypoints
---
libc/config/gpu/amdgpu/entrypoints.txt | 4 ++++
libc/config/gpu/nvptx/entrypoints.txt | 4 ++++
libc/config/linux/arm/entrypoints.txt | 4 ++++
libc/config/windows/entrypoints.txt | 5 ++++-
libc/src/math/generic/nanf128.cpp | 3 ++-
utils/bazel/llvm-project-overlay/libc/BUILD.bazel | 4 ++--
.../libc/test/src/math/smoke/BUILD.bazel | 2 +-
7 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/libc/config/gpu/amdgpu/entrypoints.txt b/libc/config/gpu/amdgpu/entrypoints.txt
index 5c5e5891da8227..0da982665cb96f 100644
--- a/libc/config/gpu/amdgpu/entrypoints.txt
+++ b/libc/config/gpu/amdgpu/entrypoints.txt
@@ -428,6 +428,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -481,6 +482,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -526,9 +528,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
diff --git a/libc/config/gpu/nvptx/entrypoints.txt b/libc/config/gpu/nvptx/entrypoints.txt
index afae725484a891..0317e3839ad11f 100644
--- a/libc/config/gpu/nvptx/entrypoints.txt
+++ b/libc/config/gpu/nvptx/entrypoints.txt
@@ -425,6 +425,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -478,6 +479,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -523,9 +525,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index f4347331d0b310..3ffa7ebfa7e414 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -493,6 +493,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.fsubl
libc.src.math.getpayload
libc.src.math.getpayloadf
+ libc.src.math.getpayloadf128
libc.src.math.getpayloadl
libc.src.math.hypot
libc.src.math.hypotf
@@ -541,6 +542,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -583,9 +585,11 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalbnl
libc.src.math.setpayload
libc.src.math.setpayloadf
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadl
libc.src.math.setpayloadsig
libc.src.math.setpayloadsigf
+ libc.src.math.setpayloadsigf128
libc.src.math.setpayloadsigl
libc.src.math.sin
libc.src.math.sincos
diff --git a/libc/config/windows/entrypoints.txt b/libc/config/windows/entrypoints.txt
index 3a48b49e169b3a..8cc4feaf96cc41 100644
--- a/libc/config/windows/entrypoints.txt
+++ b/libc/config/windows/entrypoints.txt
@@ -300,6 +300,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.modfl
libc.src.math.nan
libc.src.math.nanf
+ libc.src.math.nanf128
libc.src.math.nanl
libc.src.math.nearbyint
libc.src.math.nearbyintf
@@ -395,6 +396,7 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.fromfpbf16
libc.src.math.fromfpxbf16
libc.src.math.getpayloadbf16
+ libc.src.math.getpayloadf128
libc.src.math.hypotbf16
libc.src.math.ilogbbf16
libc.src.math.iscanonicalbf16
@@ -422,7 +424,9 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.scalblnbf16
libc.src.math.scalbnbf16
libc.src.math.setpayloadbf16
+ libc.src.math.setpayloadf128
libc.src.math.setpayloadsigbf16
+ libc.src.math.setpayloadsigf128
libc.src.math.sqrtbf16
libc.src.math.tanbf16
libc.src.math.truncbf16
@@ -436,4 +440,3 @@ set(TARGET_LLVMLIBC_ENTRYPOINTS
${TARGET_LIBC_ENTRYPOINTS}
${TARGET_LIBM_ENTRYPOINTS}
)
-
diff --git a/libc/src/math/generic/nanf128.cpp b/libc/src/math/generic/nanf128.cpp
index 04cb5cf03cc745..abf2b83603ad70 100644
--- a/libc/src/math/generic/nanf128.cpp
+++ b/libc/src/math/generic/nanf128.cpp
@@ -7,12 +7,13 @@
//===----------------------------------------------------------------------===//
#include "src/math/nanf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/nanf128.h"
namespace LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(float128, nanf128, (const char *arg)) {
- return math::nanf128(arg);
+ return cpp::bit_cast<float128>(math::nanf128(arg));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index a790601e58a9c2..2149fc68863dae 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -5458,8 +5458,8 @@ libc_support_library(
name = "__support_math_setpayloadf128",
hdrs = ["src/__support/math/setpayloadf128.h"],
deps = [
- ":__support_fputil_float128",
":__support_fputil_basic_operations",
+ ":__support_fputil_float128",
":__support_macros_config",
],
)
@@ -9276,8 +9276,8 @@ libc_support_library(
name = "__support_math_getpayloadf128",
hdrs = ["src/__support/math/getpayloadf128.h"],
deps = [
- ":__support_fputil_float128",
":__support_fputil_basic_operations",
+ ":__support_fputil_float128",
":__support_macros_config",
],
)
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
index e7c2e531c22850..0fe103f73207fa 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
@@ -2092,7 +2092,7 @@ math_test(
hdrs = ["SetPayloadSigTest.h"],
deps = [
"//libc:__support_fputil_float128",
- ]
+ ],
)
math_test(
>From faed5fc230cb8249c5c588bb9a3d9c8221beee0f Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Tue, 8 Sep 2026 19:25:14 +0530
Subject: [PATCH 3/8] [libc] Fix emulated f128 NaN payload entrypoints
---
libc/src/__support/math/CMakeLists.txt | 8 ++++----
libc/src/math/generic/CMakeLists.txt | 1 +
libc/test/src/math/smoke/CMakeLists.txt | 10 +++++-----
3 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/libc/src/__support/math/CMakeLists.txt b/libc/src/__support/math/CMakeLists.txt
index 93882290807db2..9ba1fecbb0faea 100644
--- a/libc/src/__support/math/CMakeLists.txt
+++ b/libc/src/__support/math/CMakeLists.txt
@@ -2182,9 +2182,9 @@ add_header_library(
nanf128.h
DEPENDS
libc.src.__support.FPUtil.float128
+ libc.src.__support.libc_errno
libc.src.__support.macros.config
libc.src.__support.str_to_float
- libc.src.__support.libc_errno
)
add_header_library(
@@ -3852,8 +3852,8 @@ add_header_library(
HDRS
getpayloadf128.h
DEPENDS
- libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
)
@@ -4771,8 +4771,8 @@ add_header_library(
HDRS
setpayloadf128.h
DEPENDS
- libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
)
@@ -4828,8 +4828,8 @@ add_header_library(
HDRS
setpayloadsigf128.h
DEPENDS
- libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.basic_operations
+ libc.src.__support.FPUtil.float128
libc.src.__support.macros.config
)
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index 3cffe69f7ca5fe..3f87b1569218da 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -3182,6 +3182,7 @@ add_entrypoint_object(
HDRS
../nanf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.nanf128
)
diff --git a/libc/test/src/math/smoke/CMakeLists.txt b/libc/test/src/math/smoke/CMakeLists.txt
index 1015b80172d66e..bbc91857f05acb 100644
--- a/libc/test/src/math/smoke/CMakeLists.txt
+++ b/libc/test/src/math/smoke/CMakeLists.txt
@@ -3933,10 +3933,10 @@ add_fp_unittest(
SRCS
nanf128_test.cpp
DEPENDS
- libc.hdr.signal_macros
- libc.src.math.nanf128
libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.fp_bits
+ libc.hdr.signal_macros
+ libc.src.math.nanf128
# FIXME: The nan tests currently have death tests, which aren't supported for
# hermetic tests.
)
@@ -5572,8 +5572,8 @@ add_fp_unittest(
HDRS
GetPayloadTest.h
DEPENDS
- libc.src.math.getpayloadf128
libc.src.__support.FPUtil.float128
+ libc.src.math.getpayloadf128
)
add_fp_unittest(
@@ -5646,8 +5646,8 @@ add_fp_unittest(
HDRS
SetPayloadTest.h
DEPENDS
- libc.src.math.setpayloadf128
libc.src.__support.FPUtil.float128
+ libc.src.math.setpayloadf128
)
add_fp_unittest(
@@ -5720,8 +5720,8 @@ add_fp_unittest(
HDRS
SetPayloadSigTest.h
DEPENDS
- libc.src.math.setpayloadsigf128
libc.src.__support.FPUtil.float128
+ libc.src.math.setpayloadsigf128
)
add_fp_unittest(
>From c1488ae926d908c540b17dc2aebf19dffa7674f8 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Sun, 13 Sep 2026 07:40:11 +0530
Subject: [PATCH 4/8] [libc] Fix formatting for emulated f128 NaN payload
functions
---
libc/src/__support/math/nanf128.h | 2 +-
libc/src/math/generic/getpayloadf128.cpp | 3 ++-
libc/src/math/generic/setpayloadf128.cpp | 3 ++-
libc/src/math/generic/setpayloadsigf128.cpp | 3 ++-
libc/test/src/math/smoke/nanf128_test.cpp | 2 +-
5 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/libc/src/__support/math/nanf128.h b/libc/src/__support/math/nanf128.h
index de445eeab900bc..f57be9f31f7b91 100644
--- a/libc/src/__support/math/nanf128.h
+++ b/libc/src/__support/math/nanf128.h
@@ -9,8 +9,8 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
-#include "src/__support/libc_errno.h"
#include "src/__support/FPUtil/float128.h"
+#include "src/__support/libc_errno.h"
#include "src/__support/macros/config.h"
#include "src/__support/str_to_float.h"
diff --git a/libc/src/math/generic/getpayloadf128.cpp b/libc/src/math/generic/getpayloadf128.cpp
index 648acfd555f0c2..069d374ba0cf41 100644
--- a/libc/src/math/generic/getpayloadf128.cpp
+++ b/libc/src/math/generic/getpayloadf128.cpp
@@ -15,7 +15,8 @@ namespace LIBC_NAMESPACE_DECL {
using LIBC_NAMESPACE::fputil::Float128;
LLVM_LIBC_FUNCTION(float128, getpayloadf128, (const float128 *x)) {
- return cpp::bit_cast<float128>(math::getpayloadf128(cpp::bit_cast<const Float128 *>(x)));
+ return cpp::bit_cast<float128>(
+ math::getpayloadf128(cpp::bit_cast<const Float128 *>(x)));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadf128.cpp b/libc/src/math/generic/setpayloadf128.cpp
index fa71b46a8a89c4..faa1a08da7df92 100644
--- a/libc/src/math/generic/setpayloadf128.cpp
+++ b/libc/src/math/generic/setpayloadf128.cpp
@@ -15,7 +15,8 @@ namespace LIBC_NAMESPACE_DECL {
using LIBC_NAMESPACE::fputil::Float128;
LLVM_LIBC_FUNCTION(int, setpayloadf128, (float128 * res, float128 pl)) {
- return math::setpayloadf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
+ return math::setpayloadf128(cpp::bit_cast<Float128 *>(res),
+ cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/setpayloadsigf128.cpp b/libc/src/math/generic/setpayloadsigf128.cpp
index 91dd561568d478..fab5902222cf64 100644
--- a/libc/src/math/generic/setpayloadsigf128.cpp
+++ b/libc/src/math/generic/setpayloadsigf128.cpp
@@ -15,7 +15,8 @@ namespace LIBC_NAMESPACE_DECL {
using LIBC_NAMESPACE::fputil::Float128;
LLVM_LIBC_FUNCTION(int, setpayloadsigf128, (float128 * res, float128 pl)) {
- return math::setpayloadsigf128(cpp::bit_cast<Float128 *>(res), cpp::bit_cast<Float128>(pl));
+ return math::setpayloadsigf128(cpp::bit_cast<Float128 *>(res),
+ cpp::bit_cast<Float128>(pl));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/src/math/smoke/nanf128_test.cpp b/libc/test/src/math/smoke/nanf128_test.cpp
index ef781cbdf1b9b6..1b8438aea79b9f 100644
--- a/libc/test/src/math/smoke/nanf128_test.cpp
+++ b/libc/test/src/math/smoke/nanf128_test.cpp
@@ -7,8 +7,8 @@
//===----------------------------------------------------------------------===//
#include "hdr/signal_macros.h"
-#include "src/__support/FPUtil/float128.h"
#include "src/__support/FPUtil/FPBits.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/uint128.h"
#include "src/math/nanf128.h"
#include "test/UnitTest/FEnvSafeTest.h"
>From 48e1234a49299c4b457d8bca8adbc7eac6eb3c9c Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Mon, 14 Sep 2026 00:45:14 +0530
Subject: [PATCH 5/8] [libc] Update f128 NaN payload file headers and tests
---
libc/shared/math/getpayloadf128.h | 7 ++++++-
libc/shared/math/nanf128.h | 7 ++++++-
libc/shared/math/setpayloadf128.h | 7 ++++++-
libc/shared/math/setpayloadsigf128.h | 7 ++++++-
libc/src/__support/math/getpayloadf128.h | 7 ++++++-
libc/src/__support/math/nanf128.h | 7 ++++++-
libc/src/__support/math/setpayloadf128.h | 7 ++++++-
libc/src/math/generic/getpayloadf128.cpp | 7 ++++++-
libc/src/math/generic/nanf128.cpp | 7 ++++++-
libc/src/math/generic/setpayloadf128.cpp | 7 ++++++-
libc/src/math/generic/setpayloadsigf128.cpp | 7 ++++++-
libc/src/math/getpayloadf128.h | 7 ++++++-
libc/src/math/nanf128.h | 7 ++++++-
libc/src/math/setpayloadf128.h | 7 ++++++-
libc/src/math/setpayloadsigf128.h | 7 ++++++-
libc/test/shared/shared_math_test.cpp | 18 +++++++++++-------
.../src/math/smoke/getpayloadf128_test.cpp | 7 ++++++-
libc/test/src/math/smoke/nanf128_test.cpp | 7 ++++++-
.../src/math/smoke/setpayloadf128_test.cpp | 7 ++++++-
.../src/math/smoke/setpayloadsigf128_test.cpp | 7 ++++++-
.../libc/test/src/math/smoke/BUILD.bazel | 8 +++++++-
21 files changed, 132 insertions(+), 27 deletions(-)
diff --git a/libc/shared/math/getpayloadf128.h b/libc/shared/math/getpayloadf128.h
index 199c9e5df084d6..6d4ffacac5581d 100644
--- a/libc/shared/math/getpayloadf128.h
+++ b/libc/shared/math/getpayloadf128.h
@@ -1,10 +1,15 @@
-//===-- Shared getpayloadf128 function --------------------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Shared getpayloadf128 function.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SHARED_MATH_GETPAYLOADF128_H
diff --git a/libc/shared/math/nanf128.h b/libc/shared/math/nanf128.h
index f1dd96387680ec..266a1ae46de618 100644
--- a/libc/shared/math/nanf128.h
+++ b/libc/shared/math/nanf128.h
@@ -1,10 +1,15 @@
-//===-- Shared nanf128 function ---------------------------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Shared nanf128 function.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SHARED_MATH_NANF128_H
#define LLVM_LIBC_SHARED_MATH_NANF128_H
diff --git a/libc/shared/math/setpayloadf128.h b/libc/shared/math/setpayloadf128.h
index 7efdc34dd15775..7ecc1dac8e6131 100644
--- a/libc/shared/math/setpayloadf128.h
+++ b/libc/shared/math/setpayloadf128.h
@@ -1,10 +1,15 @@
-//===-- Shared setpayloadf128 function --------------------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Shared setpayloadf128 function.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SHARED_MATH_SETPAYLOADF128_H
diff --git a/libc/shared/math/setpayloadsigf128.h b/libc/shared/math/setpayloadsigf128.h
index a10e07124dad74..7038c3947cdb6e 100644
--- a/libc/shared/math/setpayloadsigf128.h
+++ b/libc/shared/math/setpayloadsigf128.h
@@ -1,10 +1,15 @@
-//===-- Shared setpayloadsigf128 function -----------------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Shared setpayloadsigf128 function.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SHARED_MATH_SETPAYLOADSIGF128_H
diff --git a/libc/src/__support/math/getpayloadf128.h b/libc/src/__support/math/getpayloadf128.h
index 98d4d529b0f312..1d8cd547962e48 100644
--- a/libc/src/__support/math/getpayloadf128.h
+++ b/libc/src/__support/math/getpayloadf128.h
@@ -1,10 +1,15 @@
-//===-- Implementation header for getpayloadf128 ----------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation header for getpayloadf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_GETPAYLOADF128_H
diff --git a/libc/src/__support/math/nanf128.h b/libc/src/__support/math/nanf128.h
index f57be9f31f7b91..9ebf2ba1ed85bb 100644
--- a/libc/src/__support/math/nanf128.h
+++ b/libc/src/__support/math/nanf128.h
@@ -1,10 +1,15 @@
-//===-- Implementation header for nanf128 -----------------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation header for nanf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_NANF128_H
diff --git a/libc/src/__support/math/setpayloadf128.h b/libc/src/__support/math/setpayloadf128.h
index f2ed808866ada5..f97c11c64c0e4d 100644
--- a/libc/src/__support/math/setpayloadf128.h
+++ b/libc/src/__support/math/setpayloadf128.h
@@ -1,10 +1,15 @@
-//===-- Implementation header for setpayloadf128 ----------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation header for setpayloadf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_SETPAYLOADF128_H
diff --git a/libc/src/math/generic/getpayloadf128.cpp b/libc/src/math/generic/getpayloadf128.cpp
index 069d374ba0cf41..8f44a54aabbab5 100644
--- a/libc/src/math/generic/getpayloadf128.cpp
+++ b/libc/src/math/generic/getpayloadf128.cpp
@@ -1,10 +1,15 @@
-//===-- Implementation of getpayloadf128 function -------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation of getpayloadf128 function.
+///
+//===----------------------------------------------------------------------===//
#include "src/math/getpayloadf128.h"
#include "src/__support/CPP/bit.h"
diff --git a/libc/src/math/generic/nanf128.cpp b/libc/src/math/generic/nanf128.cpp
index abf2b83603ad70..02d4fadd5a412d 100644
--- a/libc/src/math/generic/nanf128.cpp
+++ b/libc/src/math/generic/nanf128.cpp
@@ -1,10 +1,15 @@
-//===-- Implementation of nanf128 function --------------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation of nanf128 function.
+///
+//===----------------------------------------------------------------------===//
#include "src/math/nanf128.h"
#include "src/__support/CPP/bit.h"
diff --git a/libc/src/math/generic/setpayloadf128.cpp b/libc/src/math/generic/setpayloadf128.cpp
index faa1a08da7df92..a25be192e9c36d 100644
--- a/libc/src/math/generic/setpayloadf128.cpp
+++ b/libc/src/math/generic/setpayloadf128.cpp
@@ -1,10 +1,15 @@
-//===-- Implementation of setpayloadf128 function -------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation of setpayloadf128 function.
+///
+//===----------------------------------------------------------------------===//
#include "src/math/setpayloadf128.h"
#include "src/__support/CPP/bit.h"
diff --git a/libc/src/math/generic/setpayloadsigf128.cpp b/libc/src/math/generic/setpayloadsigf128.cpp
index fab5902222cf64..b08aa8487907dd 100644
--- a/libc/src/math/generic/setpayloadsigf128.cpp
+++ b/libc/src/math/generic/setpayloadsigf128.cpp
@@ -1,10 +1,15 @@
-//===-- Implementation of setpayloadsigf128 function ----------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation of setpayloadsigf128 function.
+///
+//===----------------------------------------------------------------------===//
#include "src/math/setpayloadsigf128.h"
#include "src/__support/CPP/bit.h"
diff --git a/libc/src/math/getpayloadf128.h b/libc/src/math/getpayloadf128.h
index 383b03219203e5..70adef8e23ce93 100644
--- a/libc/src/math/getpayloadf128.h
+++ b/libc/src/math/getpayloadf128.h
@@ -1,10 +1,15 @@
-//===-- Implementation header for getpayloadf128 ----------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation header for getpayloadf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H
#define LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H
diff --git a/libc/src/math/nanf128.h b/libc/src/math/nanf128.h
index 4bc24649f0e33c..354c021d39d343 100644
--- a/libc/src/math/nanf128.h
+++ b/libc/src/math/nanf128.h
@@ -1,10 +1,15 @@
-//===-- Implementation header for nanf128 -----------------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation header for nanf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_NANF128_H
#define LLVM_LIBC_SRC_MATH_NANF128_H
diff --git a/libc/src/math/setpayloadf128.h b/libc/src/math/setpayloadf128.h
index d3f357bc6c49fe..4e2737f86e6db5 100644
--- a/libc/src/math/setpayloadf128.h
+++ b/libc/src/math/setpayloadf128.h
@@ -1,10 +1,15 @@
-//===-- Implementation header for setpayloadf128 ----------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation header for setpayloadf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_SETPAYLOADF128_H
#define LLVM_LIBC_SRC_MATH_SETPAYLOADF128_H
diff --git a/libc/src/math/setpayloadsigf128.h b/libc/src/math/setpayloadsigf128.h
index 80bc58c4998184..729c7f701e9852 100644
--- a/libc/src/math/setpayloadsigf128.h
+++ b/libc/src/math/setpayloadsigf128.h
@@ -1,10 +1,15 @@
-//===-- Implementation header for setpayloadsigf128 -------------*- C++ -*-===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Implementation header for setpayloadsigf128.
+///
+//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_SRC_MATH_SETPAYLOADSIGF128_H
#define LLVM_LIBC_SRC_MATH_SETPAYLOADSIGF128_H
diff --git a/libc/test/shared/shared_math_test.cpp b/libc/test/shared/shared_math_test.cpp
index cfae2a1ab48f51..ccde307e597a5e 100644
--- a/libc/test/shared/shared_math_test.cpp
+++ b/libc/test/shared/shared_math_test.cpp
@@ -612,6 +612,11 @@ TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
Float128(0.0), Float128(0.0)));
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::fminimum_numf128(
Float128(0.0), Float128(0.0)));
+
+ Float128 getpayloadf128_x = Float128(0.0);
+ EXPECT_FP_EQ(Float128(-1.0),
+ LIBC_NAMESPACE::shared::getpayloadf128(&getpayloadf128_x));
+
EXPECT_EQ(1, LIBC_NAMESPACE::shared::iscanonicalf128(Float128(0.0)));
EXPECT_EQ(0, LIBC_NAMESPACE::shared::isnanf128(Float128(0.0)));
EXPECT_EQ(0, LIBC_NAMESPACE::shared::issignalingf128(Float128(0.0)));
@@ -619,19 +624,15 @@ TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
EXPECT_EQ(0LL, LIBC_NAMESPACE::shared::llroundf128(Float128(0.0)));
EXPECT_EQ(0L, LIBC_NAMESPACE::shared::lrintf128(Float128(0.0)));
EXPECT_EQ(0L, LIBC_NAMESPACE::shared::lroundf128(Float128(0.0)));
+
+ EXPECT_TRUE(FPBits(LIBC_NAMESPACE::shared::nanf128("")).is_nan());
+
EXPECT_FP_EQ(Float128(0.0),
LIBC_NAMESPACE::shared::nearbyintf128(Float128(0.0)));
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::rintf128(Float128(0.0)));
EXPECT_FP_EQ(Float128(0.0),
LIBC_NAMESPACE::shared::roundevenf128(Float128(0.0)));
EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::roundf128(Float128(0.0)));
- EXPECT_FP_EQ(Float128(1.0), LIBC_NAMESPACE::shared::sqrtf128(Float128(1.0)));
- EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::truncf128(Float128(0.0)));
- EXPECT_TRUE(FPBits(LIBC_NAMESPACE::shared::nanf128("")).is_nan());
-
- Float128 getpayloadf128_x = Float128(0.0);
- EXPECT_FP_EQ(Float128(-1.0),
- LIBC_NAMESPACE::shared::getpayloadf128(&getpayloadf128_x));
Float128 setpayloadf128_res = Float128(0.0);
EXPECT_EQ(0, LIBC_NAMESPACE::shared::setpayloadf128(&setpayloadf128_res,
@@ -641,6 +642,9 @@ TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
EXPECT_EQ(1, LIBC_NAMESPACE::shared::setpayloadsigf128(&setpayloadsigf128_res,
Float128(0.0)));
EXPECT_FP_EQ(Float128(0.0), setpayloadsigf128_res);
+
+ EXPECT_FP_EQ(Float128(1.0), LIBC_NAMESPACE::shared::sqrtf128(Float128(1.0)));
+ EXPECT_FP_EQ(Float128(0.0), LIBC_NAMESPACE::shared::truncf128(Float128(0.0)));
}
#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
diff --git a/libc/test/src/math/smoke/getpayloadf128_test.cpp b/libc/test/src/math/smoke/getpayloadf128_test.cpp
index 41af1066b11c71..3bd21762d62c55 100644
--- a/libc/test/src/math/smoke/getpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/getpayloadf128_test.cpp
@@ -1,10 +1,15 @@
-//===-- Unittests for getpayloadf128 --------------------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Unittests for getpayloadf128.
+///
+//===----------------------------------------------------------------------===//
#include "GetPayloadTest.h"
diff --git a/libc/test/src/math/smoke/nanf128_test.cpp b/libc/test/src/math/smoke/nanf128_test.cpp
index 1b8438aea79b9f..bb866a50be3f95 100644
--- a/libc/test/src/math/smoke/nanf128_test.cpp
+++ b/libc/test/src/math/smoke/nanf128_test.cpp
@@ -1,10 +1,15 @@
-//===-- Unittests for nanf128 ---------------------------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Unittests for nanf128.
+///
+//===----------------------------------------------------------------------===//
#include "hdr/signal_macros.h"
#include "src/__support/FPUtil/FPBits.h"
diff --git a/libc/test/src/math/smoke/setpayloadf128_test.cpp b/libc/test/src/math/smoke/setpayloadf128_test.cpp
index 0048827944be76..9c4e3b8b2b191a 100644
--- a/libc/test/src/math/smoke/setpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadf128_test.cpp
@@ -1,10 +1,15 @@
-//===-- Unittests for setpayloadf128 --------------------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Unittests for setpayloadf128.
+///
+//===----------------------------------------------------------------------===//
#include "SetPayloadTest.h"
diff --git a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
index 575573306de4ad..4f738a63b654b0 100644
--- a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
@@ -1,10 +1,15 @@
-//===-- Unittests for setpayloadsigf128 -----------------------------------===//
+//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Unittests for setpayloadsigf128.
+///
+//===----------------------------------------------------------------------===//
#include "SetPayloadSigTest.h"
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
index 0fe103f73207fa..1a662985079057 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
@@ -1610,7 +1610,13 @@ math_test(
hdrs = ["ModfTest.h"],
)
-# TODO: add nan tests.
+math_test(
+ name = "nanf128",
+ deps = [
+ "//libc:__support_fputil_float128",
+ "//libc:hdr_signal_macros",
+ ],
+)
math_test(
name = "nearbyint",
>From 60990cb0b656f5fe31b5feaaf90bcce823503973 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Mon, 14 Sep 2026 18:46:15 +0530
Subject: [PATCH 6/8] [libc] Fix Bazel dependency for nanf128
---
utils/bazel/llvm-project-overlay/libc/BUILD.bazel | 1 +
1 file changed, 1 insertion(+)
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 2149fc68863dae..ca9140e6ad17cf 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -13954,6 +13954,7 @@ libc_math_function(
libc_math_function(
name = "nanf128",
additional_deps = [
+ ":__support_cpp_bit",
":__support_fputil_float128",
":__support_math_nanf128",
],
>From a331f8bf2b84dd242b723493943931a3264788e0 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Mon, 14 Sep 2026 20:40:13 +0530
Subject: [PATCH 7/8] [libc] Fix review comments for emulated f128 NaN payload
functions
---
libc/config/windows/entrypoints.txt | 1 +
libc/shared/math/getpayloadf128.h | 2 +-
libc/shared/math/nanf128.h | 2 +-
libc/shared/math/setpayloadf128.h | 2 +-
libc/shared/math/setpayloadsigf128.h | 2 +-
libc/src/__support/math/getpayloadf128.h | 2 +-
libc/src/__support/math/nanf128.h | 2 +-
libc/src/__support/math/setpayloadf128.h | 2 +-
libc/src/math/generic/getpayloadf128.cpp | 2 +-
libc/src/math/generic/nanf128.cpp | 2 +-
libc/src/math/generic/setpayloadf128.cpp | 2 +-
libc/src/math/generic/setpayloadsigf128.cpp | 2 +-
libc/src/math/getpayloadf128.h | 2 +-
libc/src/math/nanf128.h | 2 +-
libc/src/math/setpayloadf128.h | 2 +-
libc/src/math/setpayloadsigf128.h | 2 +-
libc/test/src/math/smoke/getpayloadf128_test.cpp | 2 +-
libc/test/src/math/smoke/nanf128_test.cpp | 4 ++--
libc/test/src/math/smoke/setpayloadf128_test.cpp | 2 +-
libc/test/src/math/smoke/setpayloadsigf128_test.cpp | 2 +-
20 files changed, 21 insertions(+), 20 deletions(-)
diff --git a/libc/config/windows/entrypoints.txt b/libc/config/windows/entrypoints.txt
index 8cc4feaf96cc41..257923af00e1f3 100644
--- a/libc/config/windows/entrypoints.txt
+++ b/libc/config/windows/entrypoints.txt
@@ -440,3 +440,4 @@ set(TARGET_LLVMLIBC_ENTRYPOINTS
${TARGET_LIBC_ENTRYPOINTS}
${TARGET_LIBM_ENTRYPOINTS}
)
+
diff --git a/libc/shared/math/getpayloadf128.h b/libc/shared/math/getpayloadf128.h
index 6d4ffacac5581d..e1f2d0faedbcb2 100644
--- a/libc/shared/math/getpayloadf128.h
+++ b/libc/shared/math/getpayloadf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Shared getpayloadf128 function.
+/// Shared getpayloadf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/shared/math/nanf128.h b/libc/shared/math/nanf128.h
index 266a1ae46de618..9d80936c14c282 100644
--- a/libc/shared/math/nanf128.h
+++ b/libc/shared/math/nanf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Shared nanf128 function.
+/// Shared nanf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/shared/math/setpayloadf128.h b/libc/shared/math/setpayloadf128.h
index 7ecc1dac8e6131..ceb339e80ac4f7 100644
--- a/libc/shared/math/setpayloadf128.h
+++ b/libc/shared/math/setpayloadf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Shared setpayloadf128 function.
+/// Shared setpayloadf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/shared/math/setpayloadsigf128.h b/libc/shared/math/setpayloadsigf128.h
index 7038c3947cdb6e..92f17abd033a26 100644
--- a/libc/shared/math/setpayloadsigf128.h
+++ b/libc/shared/math/setpayloadsigf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Shared setpayloadsigf128 function.
+/// Shared setpayloadsigf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/__support/math/getpayloadf128.h b/libc/src/__support/math/getpayloadf128.h
index 1d8cd547962e48..b162f227b11cf6 100644
--- a/libc/src/__support/math/getpayloadf128.h
+++ b/libc/src/__support/math/getpayloadf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation header for getpayloadf128.
+/// Implementation header for getpayloadf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/__support/math/nanf128.h b/libc/src/__support/math/nanf128.h
index 9ebf2ba1ed85bb..4aaad176059f9b 100644
--- a/libc/src/__support/math/nanf128.h
+++ b/libc/src/__support/math/nanf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation header for nanf128.
+/// Implementation header for nanf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/__support/math/setpayloadf128.h b/libc/src/__support/math/setpayloadf128.h
index f97c11c64c0e4d..8feeef8b9fa9cc 100644
--- a/libc/src/__support/math/setpayloadf128.h
+++ b/libc/src/__support/math/setpayloadf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation header for setpayloadf128.
+/// Implementation header for setpayloadf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/generic/getpayloadf128.cpp b/libc/src/math/generic/getpayloadf128.cpp
index 8f44a54aabbab5..f74d1529508fb5 100644
--- a/libc/src/math/generic/getpayloadf128.cpp
+++ b/libc/src/math/generic/getpayloadf128.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation of getpayloadf128 function.
+/// Implementation of getpayloadf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/generic/nanf128.cpp b/libc/src/math/generic/nanf128.cpp
index 02d4fadd5a412d..6acf4fe8a08298 100644
--- a/libc/src/math/generic/nanf128.cpp
+++ b/libc/src/math/generic/nanf128.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation of nanf128 function.
+/// Implementation of nanf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/generic/setpayloadf128.cpp b/libc/src/math/generic/setpayloadf128.cpp
index a25be192e9c36d..c8834261e58610 100644
--- a/libc/src/math/generic/setpayloadf128.cpp
+++ b/libc/src/math/generic/setpayloadf128.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation of setpayloadf128 function.
+/// Implementation of setpayloadf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/generic/setpayloadsigf128.cpp b/libc/src/math/generic/setpayloadsigf128.cpp
index b08aa8487907dd..dd930ece97752e 100644
--- a/libc/src/math/generic/setpayloadsigf128.cpp
+++ b/libc/src/math/generic/setpayloadsigf128.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation of setpayloadsigf128 function.
+/// Implementation of setpayloadsigf128 function.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/getpayloadf128.h b/libc/src/math/getpayloadf128.h
index 70adef8e23ce93..bed0870f74b95b 100644
--- a/libc/src/math/getpayloadf128.h
+++ b/libc/src/math/getpayloadf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation header for getpayloadf128.
+/// Implementation header for getpayloadf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/nanf128.h b/libc/src/math/nanf128.h
index 354c021d39d343..13dc64c4d8afe5 100644
--- a/libc/src/math/nanf128.h
+++ b/libc/src/math/nanf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation header for nanf128.
+/// Implementation header for nanf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/setpayloadf128.h b/libc/src/math/setpayloadf128.h
index 4e2737f86e6db5..4ade6153a29c55 100644
--- a/libc/src/math/setpayloadf128.h
+++ b/libc/src/math/setpayloadf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation header for setpayloadf128.
+/// Implementation header for setpayloadf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/src/math/setpayloadsigf128.h b/libc/src/math/setpayloadsigf128.h
index 729c7f701e9852..eaf1a5d94dcead 100644
--- a/libc/src/math/setpayloadsigf128.h
+++ b/libc/src/math/setpayloadsigf128.h
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Implementation header for setpayloadsigf128.
+/// Implementation header for setpayloadsigf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/test/src/math/smoke/getpayloadf128_test.cpp b/libc/test/src/math/smoke/getpayloadf128_test.cpp
index 3bd21762d62c55..f6c7dddb5c3e2f 100644
--- a/libc/test/src/math/smoke/getpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/getpayloadf128_test.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Unittests for getpayloadf128.
+/// Unittests for getpayloadf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/test/src/math/smoke/nanf128_test.cpp b/libc/test/src/math/smoke/nanf128_test.cpp
index bb866a50be3f95..7c3fbafe2198ab 100644
--- a/libc/test/src/math/smoke/nanf128_test.cpp
+++ b/libc/test/src/math/smoke/nanf128_test.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Unittests for nanf128.
+/// Unittests for nanf128.
///
//===----------------------------------------------------------------------===//
@@ -22,7 +22,7 @@
#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
using float128 = LIBC_NAMESPACE::fputil::Float128;
-#endif
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
class LlvmLibcNanf128Test : public LIBC_NAMESPACE::testing::FEnvSafeTest {
public:
diff --git a/libc/test/src/math/smoke/setpayloadf128_test.cpp b/libc/test/src/math/smoke/setpayloadf128_test.cpp
index 9c4e3b8b2b191a..c9f58b7f4cce38 100644
--- a/libc/test/src/math/smoke/setpayloadf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadf128_test.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Unittests for setpayloadf128.
+/// Unittests for setpayloadf128.
///
//===----------------------------------------------------------------------===//
diff --git a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
index 4f738a63b654b0..c623b45b4c3903 100644
--- a/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
+++ b/libc/test/src/math/smoke/setpayloadsigf128_test.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
///
/// \file
-/// \brief Unittests for setpayloadsigf128.
+/// Unittests for setpayloadsigf128.
///
//===----------------------------------------------------------------------===//
>From c3259156f8d37c796f01fed33633173ebc21c765 Mon Sep 17 00:00:00 2001
From: popie52 <popiesailor at gmail.com>
Date: Tue, 15 Sep 2026 07:03:56 +0530
Subject: [PATCH 8/8] [libc] Make setpayloadsigf128 constexpr
---
libc/test/shared/shared_math_constexpr_test.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libc/test/shared/shared_math_constexpr_test.cpp b/libc/test/shared/shared_math_constexpr_test.cpp
index 74eb4293f93320..9220d6e4a9d99c 100644
--- a/libc/test/shared/shared_math_constexpr_test.cpp
+++ b/libc/test/shared/shared_math_constexpr_test.cpp
@@ -465,6 +465,11 @@ static_assert(0 == [] {
Float128 setpayload_x = Float128(0.0);
return LIBC_NAMESPACE::shared::setpayloadf128(&setpayload_x, Float128(0.0));
}());
+static_assert(1 == [] {
+ Float128 setpayloadsigf128_x = Float128(0.0);
+ return LIBC_NAMESPACE::shared::setpayloadsigf128(&setpayloadsigf128_x,
+ Float128(0.0));
+}());
//===----------------------------------------------------------------------===//
// Native Float128 Tests
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