[libc-commits] [libc] [llvm] [libc] Modify `truncf128` to use emulated Float128 type (PR #216560)
via libc-commits
libc-commits at lists.llvm.org
Fri Aug 21 02:45:57 PDT 2026
https://github.com/Sukumarsawant updated https://github.com/llvm/llvm-project/pull/216560
>From df17eac61f0a8a9c6c4706595a36f501bbbc4161 Mon Sep 17 00:00:00 2001
From: Sukumarsawant <sawantsukumar at gmail.com>
Date: Sun, 16 Aug 2026 16:28:54 +0530
Subject: [PATCH 1/3] intial 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 +
libc/shared/math/truncf128.h | 6 ------
libc/src/__support/math/CMakeLists.txt | 2 +-
libc/src/__support/math/truncf128.h | 11 ++++-------
libc/src/math/generic/CMakeLists.txt | 1 +
libc/src/math/generic/truncf128.cpp | 5 ++++-
libc/src/math/truncf128.h | 5 +++++
libc/test/shared/shared_math_constexpr_test.cpp | 4 ++--
libc/test/shared/shared_math_test.cpp | 2 +-
libc/test/src/math/smoke/CMakeLists.txt | 1 +
libc/test/src/math/smoke/truncf128_test.cpp | 6 +++++-
23 files changed, 37 insertions(+), 27 deletions(-)
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
index a5f804013ffed..982e66c136598 100644
--- a/libc/config/baremetal/aarch64/entrypoints.txt
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -593,6 +593,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
@@ -793,7 +794,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index baf30685ee1b5..2274654b15c93 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -605,6 +605,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
@@ -804,7 +805,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index d23ea962c4dca..3f4ebe87c9062 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -601,6 +601,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
@@ -801,7 +802,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/darwin/aarch64/entrypoints.txt b/libc/config/darwin/aarch64/entrypoints.txt
index dc4ed39032445..4ff3aaf377486 100644
--- a/libc/config/darwin/aarch64/entrypoints.txt
+++ b/libc/config/darwin/aarch64/entrypoints.txt
@@ -413,6 +413,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
@@ -613,7 +614,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/darwin/x86_64/entrypoints.txt b/libc/config/darwin/x86_64/entrypoints.txt
index f3487afaca485..b616ba0d6e002 100644
--- a/libc/config/darwin/x86_64/entrypoints.txt
+++ b/libc/config/darwin/x86_64/entrypoints.txt
@@ -244,6 +244,7 @@ set(TARGET_LIBM_ENTRYPOINTS
#libc.src.math.totalordermagl
#libc.src.math.trunc
#libc.src.math.truncf
+ #libc.src.math.truncf128
#libc.src.math.truncl
)
diff --git a/libc/config/freebsd/x86_64/entrypoints.txt b/libc/config/freebsd/x86_64/entrypoints.txt
index 2b264ebb8b517..3ae2a2e467c9d 100644
--- a/libc/config/freebsd/x86_64/entrypoints.txt
+++ b/libc/config/freebsd/x86_64/entrypoints.txt
@@ -300,6 +300,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.tanhf
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
)
@@ -551,7 +552,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/gpu/amdgpu/entrypoints.txt b/libc/config/gpu/amdgpu/entrypoints.txt
index 772c6a6db38c3..792dd363544af 100644
--- a/libc/config/gpu/amdgpu/entrypoints.txt
+++ b/libc/config/gpu/amdgpu/entrypoints.txt
@@ -539,6 +539,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
diff --git a/libc/config/gpu/nvptx/entrypoints.txt b/libc/config/gpu/nvptx/entrypoints.txt
index 4bb6c93fc776c..c12292d43c5d8 100644
--- a/libc/config/gpu/nvptx/entrypoints.txt
+++ b/libc/config/gpu/nvptx/entrypoints.txt
@@ -536,6 +536,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
# FIXME: Broken.
# libc.src.math.ufromfp
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index ffe267fca19c7..7a5e8930636be 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -754,6 +754,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
@@ -947,7 +948,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index af2a14eb72414..652187d1ba4e3 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -564,6 +564,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index edda59601796a..71fcd346599ef 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -822,6 +822,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
@@ -1032,7 +1033,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index cd7bb5d5e8b83..445220c40e19d 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -832,6 +832,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.totalordermagl
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
libc.src.math.ufromfp
libc.src.math.ufromfpf
@@ -1042,7 +1043,6 @@ if(LIBC_TYPES_HAS_NATIVE_FLOAT128)
libc.src.math.setpayloadsigf128
libc.src.math.totalorderf128
libc.src.math.totalordermagf128
- libc.src.math.truncf128
libc.src.math.ufromfpf128
libc.src.math.ufromfpxf128
)
diff --git a/libc/config/windows/entrypoints.txt b/libc/config/windows/entrypoints.txt
index d5e5b61c15e4f..7c46f2b42c3d5 100644
--- a/libc/config/windows/entrypoints.txt
+++ b/libc/config/windows/entrypoints.txt
@@ -334,6 +334,7 @@ set(TARGET_LIBM_ENTRYPOINTS
libc.src.math.tanpif
libc.src.math.trunc
libc.src.math.truncf
+ libc.src.math.truncf128
libc.src.math.truncl
)
diff --git a/libc/shared/math/truncf128.h b/libc/shared/math/truncf128.h
index 0233775d6c6b8..e9de5418e0b30 100644
--- a/libc/shared/math/truncf128.h
+++ b/libc/shared/math/truncf128.h
@@ -9,10 +9,6 @@
#ifndef LLVM_LIBC_SHARED_MATH_TRUNCF128_H
#define LLVM_LIBC_SHARED_MATH_TRUNCF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "shared/libc_common.h"
#include "src/__support/math/truncf128.h"
@@ -24,6 +20,4 @@ using math::truncf128;
} // namespace shared
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SHARED_MATH_TRUNCF128_H
diff --git a/libc/src/__support/math/CMakeLists.txt b/libc/src/__support/math/CMakeLists.txt
index c0f98d9063ede..3a3a78313a2d0 100644
--- a/libc/src/__support/math/CMakeLists.txt
+++ b/libc/src/__support/math/CMakeLists.txt
@@ -5704,7 +5704,7 @@ add_header_library(
HDRS
truncf128.h
DEPENDS
- libc.include.llvm-libc-types.float128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.nearest_integer_operations
libc.src.__support.macros.config
)
diff --git a/libc/src/__support/math/truncf128.h b/libc/src/__support/math/truncf128.h
index 454b8c1dc2ad5..72e3a100a0935 100644
--- a/libc/src/__support/math/truncf128.h
+++ b/libc/src/__support/math/truncf128.h
@@ -9,23 +9,20 @@
#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_TRUNCF128_H
#define LLVM_LIBC_SRC___SUPPORT_MATH_TRUNCF128_H
-#include "include/llvm-libc-types/float128.h"
-
-#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/__support/macros/config.h"
namespace LIBC_NAMESPACE_DECL {
namespace math {
-LIBC_INLINE constexpr float128 truncf128(float128 x) {
+using LIBC_NAMESPACE::fputil::Float128;
+
+LIBC_INLINE constexpr Float128 truncf128(Float128 x) {
return fputil::trunc(x);
}
} // namespace math
} // namespace LIBC_NAMESPACE_DECL
-#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
-
#endif // LLVM_LIBC_SRC___SUPPORT_MATH_TRUNCF128_H
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index 46a9fe4fff0f6..3408f25dd8555 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -604,6 +604,7 @@ add_entrypoint_object(
HDRS
../truncf128.h
DEPENDS
+ libc.src.__support.CPP.bit
libc.src.__support.math.truncf128
)
diff --git a/libc/src/math/generic/truncf128.cpp b/libc/src/math/generic/truncf128.cpp
index bef079cbbd6a5..083629a6f7a76 100644
--- a/libc/src/math/generic/truncf128.cpp
+++ b/libc/src/math/generic/truncf128.cpp
@@ -7,12 +7,15 @@
//===----------------------------------------------------------------------===//
#include "src/math/truncf128.h"
+#include "src/__support/CPP/bit.h"
#include "src/__support/math/truncf128.h"
namespace LIBC_NAMESPACE_DECL {
+using LIBC_NAMESPACE::fputil::Float128;
+
LLVM_LIBC_FUNCTION(float128, truncf128, (float128 x)) {
- return math::truncf128(x);
+ return cpp::bit_cast<float128>(math::truncf128(cpp::bit_cast<Float128>(x)));
}
} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/truncf128.h b/libc/src/math/truncf128.h
index df3899c35e668..265d8cadcdea6 100644
--- a/libc/src/math/truncf128.h
+++ b/libc/src/math/truncf128.h
@@ -9,11 +9,16 @@
#ifndef LLVM_LIBC_SRC_MATH_TRUNCF128_H
#define LLVM_LIBC_SRC_MATH_TRUNCF128_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 truncf128(float128 x);
} // 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 2889a2dd86227..80e8845859c8d 100644
--- a/libc/test/shared/shared_math_constexpr_test.cpp
+++ b/libc/test/shared/shared_math_constexpr_test.cpp
@@ -398,6 +398,8 @@ static_assert(Float128(0.0) ==
LIBC_NAMESPACE::shared::roundevenf128(Float128(0.0)));
static_assert(Float128(0.0) ==
LIBC_NAMESPACE::shared::roundf128(Float128(0.0)));
+static_assert(Float128(0.0) ==
+ LIBC_NAMESPACE::shared::truncf128(Float128(0.0)));
//===----------------------------------------------------------------------===//
// Native Float128 Tests
@@ -509,8 +511,6 @@ static_assert(1 == [] {
LIBC_NAMESPACE::shared::nanf128(&arg))
.is_nan();
}());
-static_assert(float128(0.0) ==
- LIBC_NAMESPACE::shared::truncf128(float128(0.0)));
#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 d964a178fa855..bfca2578ddda2 100644
--- a/libc/test/shared/shared_math_test.cpp
+++ b/libc/test/shared/shared_math_test.cpp
@@ -600,6 +600,7 @@ TEST(LlvmLibcSharedMathTest, AllEmuFloat128) {
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)));
}
#ifdef LIBC_TYPES_HAS_NATIVE_FLOAT128
@@ -755,7 +756,6 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
EXPECT_EQ(0, LIBC_NAMESPACE::shared::isnanf128(float128(0.0)));
EXPECT_EQ(0, LIBC_NAMESPACE::shared::issignalingf128(float128(0.0)));
EXPECT_TRUE(FPBits(LIBC_NAMESPACE::shared::nanf128("")).is_nan());
- EXPECT_FP_EQ(float128(0.0), LIBC_NAMESPACE::shared::truncf128(float128(0.0)));
}
#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 7af2eb21d24d0..9a43e2271ec38 100644
--- a/libc/test/src/math/smoke/CMakeLists.txt
+++ b/libc/test/src/math/smoke/CMakeLists.txt
@@ -363,6 +363,7 @@ add_fp_unittest(
TruncTest.h
DEPENDS
libc.src.math.truncf128
+ libc.src.__support.FPUtil.float128
libc.src.__support.FPUtil.fp_bits
)
diff --git a/libc/test/src/math/smoke/truncf128_test.cpp b/libc/test/src/math/smoke/truncf128_test.cpp
index 7d6487b7d8567..f486213110b6b 100644
--- a/libc/test/src/math/smoke/truncf128_test.cpp
+++ b/libc/test/src/math/smoke/truncf128_test.cpp
@@ -7,7 +7,11 @@
//===----------------------------------------------------------------------===//
#include "TruncTest.h"
-
+#include "src/__support/FPUtil/float128.h"
#include "src/math/truncf128.h"
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
LIST_TRUNC_TESTS(float128, LIBC_NAMESPACE::truncf128)
>From f9512403f575ebe53a7908a9b8deb4cc06e73c65 Mon Sep 17 00:00:00 2001
From: Sukumarsawant <sawantsukumar at gmail.com>
Date: Tue, 18 Aug 2026 17:29:30 +0530
Subject: [PATCH 2/3] mpfr tests
---
libc/test/src/math/CMakeLists.txt | 16 ++++++++++++++++
libc/test/src/math/truncf128_test.cpp | 18 ++++++++++++++++++
2 files changed, 34 insertions(+)
create mode 100644 libc/test/src/math/truncf128_test.cpp
diff --git a/libc/test/src/math/CMakeLists.txt b/libc/test/src/math/CMakeLists.txt
index 7d20cedc0f7bf..90c29922d5a35 100644
--- a/libc/test/src/math/CMakeLists.txt
+++ b/libc/test/src/math/CMakeLists.txt
@@ -392,6 +392,22 @@ add_fp_unittest(
libc.src.__support.FPUtil.fp_bits
)
+add_fp_unittest(
+ truncf128_test
+ NEED_MPFR_F128
+ SUITE
+ libc-math-unittests
+ SRCS
+ truncf128_test.cpp
+ HDRS
+ TruncTest.h
+ DEPENDS
+ libc.src.math.truncf128
+ libc.src.__support.CPP.algorithm
+ libc.src.__support.FPUtil.float128
+ libc.src.__support.FPUtil.fp_bits
+)
+
add_fp_unittest(
truncf16_test
NEED_MPFR
diff --git a/libc/test/src/math/truncf128_test.cpp b/libc/test/src/math/truncf128_test.cpp
new file mode 100644
index 0000000000000..05af1a73b117b
--- /dev/null
+++ b/libc/test/src/math/truncf128_test.cpp
@@ -0,0 +1,18 @@
+//===-- Unittests for truncf128 -------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "TruncTest.h"
+
+#include "src/math/floorf128.h"
+#include "src/math/truncf128.h"
+
+#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
+using float128 = LIBC_NAMESPACE::fputil::Float128;
+#endif // LIBC_TYPES_HAS_NATIVE_FLOAT128
+
+LIST_TRUNC_TESTS(float128, LIBC_NAMESPACE::truncf128)
>From 0267817566df4034027b45afe45ccb578ee6f616 Mon Sep 17 00:00:00 2001
From: Sukumarsawant <sawantsukumar at gmail.com>
Date: Wed, 19 Aug 2026 14:55:51 +0530
Subject: [PATCH 3/3] nits + bazel
---
libc/test/src/math/truncf128_test.cpp | 2 +-
utils/bazel/llvm-project-overlay/libc/BUILD.bazel | 4 +++-
.../llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel | 3 +++
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/libc/test/src/math/truncf128_test.cpp b/libc/test/src/math/truncf128_test.cpp
index 05af1a73b117b..592a6b7cd55e7 100644
--- a/libc/test/src/math/truncf128_test.cpp
+++ b/libc/test/src/math/truncf128_test.cpp
@@ -8,7 +8,7 @@
#include "TruncTest.h"
-#include "src/math/floorf128.h"
+#include "src/__support/FPUtil/float128.h"
#include "src/math/truncf128.h"
#ifndef LIBC_TYPES_HAS_NATIVE_FLOAT128
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index ebfdc6252e59c..e76ee60d70d4e 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -10042,9 +10042,9 @@ libc_support_library(
name = "__support_math_truncf128",
hdrs = ["src/__support/math/truncf128.h"],
deps = [
+ ":__support_fputil_float128",
":__support_fputil_nearest_integer_operations",
":__support_macros_config",
- ":llvm_libc_types_float128",
],
)
@@ -13771,6 +13771,8 @@ libc_math_function(
libc_math_function(
name = "truncf128",
additional_deps = [
+ ":__support_cpp_bit",
+ ":__support_fputil_float128",
":__support_math_truncf128",
],
)
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 414290fd0979e..cf75a206a0598 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
@@ -1674,6 +1674,9 @@ math_test(
math_test(
name = "truncf128",
hdrs = ["TruncTest.h"],
+ deps = [
+ "//libc:__support_fputil_float128",
+ ],
)
math_test(
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