[libc-commits] [libc] [libc][math] Update entrypoints for bf16{add, sub}{, f, l, f128} math functions (PR #152784)
via libc-commits
libc-commits at lists.llvm.org
Fri Aug 8 12:54:10 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-libc
Author: Krishna Pandey (krishna2803)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/152784.diff
12 Files Affected:
- (modified) libc/config/baremetal/aarch64/entrypoints.txt (+14)
- (modified) libc/config/baremetal/arm/entrypoints.txt (+14)
- (modified) libc/config/baremetal/riscv/entrypoints.txt (+14)
- (modified) libc/config/darwin/aarch64/entrypoints.txt (+14)
- (modified) libc/config/darwin/x86_64/entrypoints.txt (+6)
- (modified) libc/config/gpu/amdgpu/entrypoints.txt (+6)
- (modified) libc/config/gpu/nvptx/entrypoints.txt (+6)
- (modified) libc/config/linux/aarch64/entrypoints.txt (+14)
- (modified) libc/config/linux/arm/entrypoints.txt (+6)
- (modified) libc/config/linux/riscv/entrypoints.txt (+14)
- (modified) libc/config/linux/x86_64/entrypoints.txt (+1-1)
- (modified) libc/config/windows/entrypoints.txt (+6)
``````````diff
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
index 683c7464abde9..af9f687e8fcd8 100644
--- a/libc/config/baremetal/aarch64/entrypoints.txt
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -757,6 +757,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
@@ -765,6 +771,14 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.truncbf16
)
+if(LIBC_TYPES_HAS_FLOAT128)
+ list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # math.h C++23 mixed bfloat16 and _Float128 entrypoints
+ libc.src.math.bf16addf128
+ libc.src.math.bf16subf128
+ )
+endif()
+
if(LIBC_COMPILER_HAS_FIXED_POINT)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# stdfix.h _Fract and _Accum entrypoints
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index f8ecc2ea8a3a4..ce8d7c0d13b76 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -760,6 +760,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
@@ -768,6 +774,14 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.truncbf16
)
+if(LIBC_TYPES_HAS_FLOAT128)
+ list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # math.h C++23 mixed bfloat16 and _Float128 entrypoints
+ libc.src.math.bf16addf128
+ libc.src.math.bf16subf128
+ )
+endif()
+
if(LIBC_COMPILER_HAS_FIXED_POINT)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# stdfix.h _Fract and _Accum entrypoints
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index 679bfb3803686..7eeec245a31dd 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -760,6 +760,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
@@ -768,6 +774,14 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.truncbf16
)
+if(LIBC_TYPES_HAS_FLOAT128)
+ list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # math.h C++23 mixed bfloat16 and _Float128 entrypoints
+ libc.src.math.bf16addf128
+ libc.src.math.bf16subf128
+ )
+endif()
+
if(LIBC_COMPILER_HAS_FIXED_POINT)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# stdfix.h _Fract and _Accum entrypoints
diff --git a/libc/config/darwin/aarch64/entrypoints.txt b/libc/config/darwin/aarch64/entrypoints.txt
index 72b0265552ab8..de4b4df024ca1 100644
--- a/libc/config/darwin/aarch64/entrypoints.txt
+++ b/libc/config/darwin/aarch64/entrypoints.txt
@@ -590,6 +590,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
@@ -598,6 +604,14 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.truncbf16
)
+if(LIBC_TYPES_HAS_FLOAT128)
+ list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # math.h C++23 mixed bfloat16 and _Float128 entrypoints
+ libc.src.math.bf16addf128
+ libc.src.math.bf16subf128
+ )
+endif()
+
if(LIBC_COMPILER_HAS_FIXED_POINT)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# stdfix.h _Fract and _Accum entrypoints
diff --git a/libc/config/darwin/x86_64/entrypoints.txt b/libc/config/darwin/x86_64/entrypoints.txt
index b5ab1ee26a867..f668e8a6ebff3 100644
--- a/libc/config/darwin/x86_64/entrypoints.txt
+++ b/libc/config/darwin/x86_64/entrypoints.txt
@@ -233,6 +233,12 @@ set(TARGET_LIBM_ENTRYPOINTS
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
diff --git a/libc/config/gpu/amdgpu/entrypoints.txt b/libc/config/gpu/amdgpu/entrypoints.txt
index 77a13a66da545..f7b8b2f66c230 100644
--- a/libc/config/gpu/amdgpu/entrypoints.txt
+++ b/libc/config/gpu/amdgpu/entrypoints.txt
@@ -616,6 +616,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
diff --git a/libc/config/gpu/nvptx/entrypoints.txt b/libc/config/gpu/nvptx/entrypoints.txt
index 61c9c717d37ef..23afb40904836 100644
--- a/libc/config/gpu/nvptx/entrypoints.txt
+++ b/libc/config/gpu/nvptx/entrypoints.txt
@@ -617,6 +617,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index fbdf8fb621b0f..62a3ae9b2fa96 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -844,6 +844,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
@@ -852,6 +858,14 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.truncbf16
)
+if(LIBC_TYPES_HAS_FLOAT128)
+ list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # math.h C++23 mixed bfloat16 and _Float128 entrypoints
+ libc.src.math.bf16addf128
+ libc.src.math.bf16subf128
+ )
+endif()
+
if(LLVM_LIBC_FULL_BUILD)
list(APPEND TARGET_LIBC_ENTRYPOINTS
# assert.h entrypoints
diff --git a/libc/config/linux/arm/entrypoints.txt b/libc/config/linux/arm/entrypoints.txt
index e3f5feecc896a..eedf184384c19 100644
--- a/libc/config/linux/arm/entrypoints.txt
+++ b/libc/config/linux/arm/entrypoints.txt
@@ -460,6 +460,12 @@ set(TARGET_LIBM_ENTRYPOINTS
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index ba67dddbe8b98..cd569795ce438 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -863,6 +863,12 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
@@ -871,6 +877,14 @@ list(APPEND TARGET_LIBM_ENTRYPOINTS
libc.src.math.truncbf16
)
+if(LIBC_TYPES_HAS_FLOAT128)
+ list(APPEND TARGET_LIBM_ENTRYPOINTS
+ # math.h C++23 mixed bfloat16 and _Float128 entrypoints
+ libc.src.math.bf16addf128
+ libc.src.math.bf16subf128
+ )
+endif()
+
if(LIBC_COMPILER_HAS_FIXED_POINT)
list(APPEND TARGET_LIBM_ENTRYPOINTS
# stdfix.h _Fract and _Accum entrypoints
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 0a2b24b420ac2..2b0cf33dd67f4 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -895,13 +895,13 @@ endif()
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
- libc.src.math.ceilbf16
libc.src.math.bf16add
libc.src.math.bf16addf
libc.src.math.bf16addl
libc.src.math.bf16sub
libc.src.math.bf16subf
libc.src.math.bf16subl
+ libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
libc.src.math.roundbf16
diff --git a/libc/config/windows/entrypoints.txt b/libc/config/windows/entrypoints.txt
index 994078c0ed274..1b1db5e5076b4 100644
--- a/libc/config/windows/entrypoints.txt
+++ b/libc/config/windows/entrypoints.txt
@@ -306,6 +306,12 @@ set(TARGET_LIBM_ENTRYPOINTS
list(APPEND TARGET_LIBM_ENTRYPOINTS
# bfloat16 entrypoints
+ libc.src.math.bf16add
+ libc.src.math.bf16addf
+ libc.src.math.bf16addl
+ libc.src.math.bf16sub
+ libc.src.math.bf16subf
+ libc.src.math.bf16subl
libc.src.math.ceilbf16
libc.src.math.fabsbf16
libc.src.math.floorbf16
``````````
</details>
https://github.com/llvm/llvm-project/pull/152784
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