[libc-commits] [libc] [libc] Modify `atan2f128` to use emulated Float128 type (PR #216508)
via libc-commits
libc-commits at lists.llvm.org
Sat Aug 15 13:38:15 PDT 2026
https://github.com/Sukumarsawant created https://github.com/llvm/llvm-project/pull/216508
None
>From 4520ab21427d861acdfc64d5e8e0fd7369c8765d Mon Sep 17 00:00:00 2001
From: Sukumarsawant <sawantsukumar at gmail.com>
Date: Sun, 16 Aug 2026 02:06:31 +0530
Subject: [PATCH] initial commit
---
libc/config/baremetal/aarch64/entrypoints.txt | 2 +-
libc/config/baremetal/arm/entrypoints.txt | 2 +-
libc/config/baremetal/riscv/entrypoints.txt | 2 +-
libc/config/darwin/aarch64/entrypoints.txt | 2 +-
libc/config/darwin/x86_64/entrypoints.txt | 1 +
libc/config/freebsd/x86_64/entrypoints.txt | 2 +-
libc/config/gpu/amdgpu/entrypoints.txt | 1 +
libc/config/gpu/nvptx/entrypoints.txt | 1 +
libc/config/linux/aarch64/entrypoints.txt | 2 +-
libc/config/linux/arm/entrypoints.txt | 1 +
libc/config/linux/riscv/entrypoints.txt | 2 +-
libc/config/linux/x86_64/entrypoints.txt | 2 +-
libc/config/windows/entrypoints.txt | 1 +
13 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
index 81958d224f70d..b107d7c765507 100644
--- a/libc/config/baremetal/aarch64/entrypoints.txt
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -359,6 +359,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
# libc.src.math.atan2l
libc.src.math.atan
libc.src.math.atanf
@@ -731,7 +732,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
- libc.src.math.atan2f128
libc.src.math.canonicalizef128
libc.src.math.copysignf128
libc.src.math.daddf128
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index ee3ec63132cc2..b574cd9190862 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -371,6 +371,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan2l
libc.src.math.atan
libc.src.math.atanf
@@ -742,7 +743,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
- libc.src.math.atan2f128
libc.src.math.canonicalizef128
libc.src.math.copysignf128
libc.src.math.daddf128
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index c9f7c042bf4a8..3b250b0be6e5b 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -367,6 +367,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
# libc.src.math.atan2l
libc.src.math.atan
libc.src.math.atanf
@@ -739,7 +740,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
- libc.src.math.atan2f128
libc.src.math.canonicalizef128
libc.src.math.copysignf128
libc.src.math.daddf128
diff --git a/libc/config/darwin/aarch64/entrypoints.txt b/libc/config/darwin/aarch64/entrypoints.txt
index 0ca00419a916c..d66c509756d5c 100644
--- a/libc/config/darwin/aarch64/entrypoints.txt
+++ b/libc/config/darwin/aarch64/entrypoints.txt
@@ -179,6 +179,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan
libc.src.math.atanf
libc.src.math.atanhf
@@ -551,7 +552,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
- libc.src.math.atan2f128
libc.src.math.canonicalizef128
libc.src.math.copysignf128
libc.src.math.daddf128
diff --git a/libc/config/darwin/x86_64/entrypoints.txt b/libc/config/darwin/x86_64/entrypoints.txt
index 136d5a458d484..118d5d48ce37b 100644
--- a/libc/config/darwin/x86_64/entrypoints.txt
+++ b/libc/config/darwin/x86_64/entrypoints.txt
@@ -118,6 +118,7 @@ set(TARGET_LIBM_ENTRYPOINTS
## Currently disabled for failing tests.
# math.h entrypoints
+ #libc.src.math.atan2f128
#libc.src.math.copysign
#libc.src.math.copysignf
#libc.src.math.copysignl
diff --git a/libc/config/freebsd/x86_64/entrypoints.txt b/libc/config/freebsd/x86_64/entrypoints.txt
index 2223504718444..d096a542e726b 100644
--- a/libc/config/freebsd/x86_64/entrypoints.txt
+++ b/libc/config/freebsd/x86_64/entrypoints.txt
@@ -125,6 +125,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinhf
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atanf
libc.src.math.atanhf
libc.src.math.cbrt
@@ -489,7 +490,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
- libc.src.math.atan2f128
libc.src.math.atan2l
libc.src.math.canonicalizef128
libc.src.math.copysignf128
diff --git a/libc/config/gpu/amdgpu/entrypoints.txt b/libc/config/gpu/amdgpu/entrypoints.txt
index 12783aa4e5316..25b8b3c077d4c 100644
--- a/libc/config/gpu/amdgpu/entrypoints.txt
+++ b/libc/config/gpu/amdgpu/entrypoints.txt
@@ -311,6 +311,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.atan
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan2l
libc.src.math.atanf
libc.src.math.atanhf
diff --git a/libc/config/gpu/nvptx/entrypoints.txt b/libc/config/gpu/nvptx/entrypoints.txt
index 5820448e06663..98274141410d4 100644
--- a/libc/config/gpu/nvptx/entrypoints.txt
+++ b/libc/config/gpu/nvptx/entrypoints.txt
@@ -307,6 +307,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.atan
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan2l
libc.src.math.atanf
libc.src.math.atanhf
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index 071a7830b43d3..95de08a934471 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -517,6 +517,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan
libc.src.math.atanf
libc.src.math.atanhf
@@ -878,7 +879,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
- libc.src.math.atan2f128
libc.src.math.canonicalizef128
libc.src.math.copysignf128
libc.src.math.daddf128
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index 1adbb04bb4cbe..371afe56307a8 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -357,6 +357,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan
libc.src.math.atanf
libc.src.math.atanhf
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index 66dd9dd790737..458729ca769ea 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -586,6 +586,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan
libc.src.math.atanf
libc.src.math.atanhf
@@ -967,7 +968,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
- libc.src.math.atan2f128
libc.src.math.atan2l
libc.src.math.canonicalizef128
libc.src.math.copysignf128
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 6045886c2f11c..1dc33d59150ee 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -591,6 +591,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan
libc.src.math.atanf
libc.src.math.atanhf
@@ -972,7 +973,6 @@ endif()
if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# math.h C23 _Float128 entrypoints
- libc.src.math.atan2f128
libc.src.math.atan2l
libc.src.math.canonicalizef128
libc.src.math.copysignf128
diff --git a/libc/config/windows/entrypoints.txt b/libc/config/windows/entrypoints.txt
index 142b83e71efe6..339eff084d653 100644
--- a/libc/config/windows/entrypoints.txt
+++ b/libc/config/windows/entrypoints.txt
@@ -155,6 +155,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.asinpif
libc.src.math.atan2
libc.src.math.atan2f
+ libc.src.math.atan2f128
libc.src.math.atan
libc.src.math.atanf
libc.src.math.atanhf
More information about the libc-commits
mailing list