[libc-commits] [libc] 46c8cc7 - [libc] Enable all f16 math functions on the GPU (#145813)

[via libc-commits]

Author: Joseph Huber
Date: 2025-06-25T20:03:40-05:00
New Revision: 46c8cc7e517275e17176fcfb32776d84aeee1e38

URL: https://github.com/llvm/llvm-project/commit/46c8cc7e517275e17176fcfb32776d84aeee1e38
DIFF: https://github.com/llvm/llvm-project/commit/46c8cc7e517275e17176fcfb32776d84aeee1e38.diff

LOG: [libc] Enable all f16 math functions on the GPU (#145813)

Summary:
This patch adds all the new f16 math functions to the GPU build. These
should all pass except exp2m1f16 on AMDGPU for some reason. I'll
investigate that later.

Added: 
    

Modified: 
    libc/config/gpu/amdgpu/entrypoints.txt
    libc/config/gpu/nvptx/entrypoints.txt

Removed: 
    


################################################################################
diff  --git a/libc/config/gpu/amdgpu/entrypoints.txt b/libc/config/gpu/amdgpu/entrypoints.txt
index f41ebdc59f6b2..463727b9bb324 100644
--- a/libc/config/gpu/amdgpu/entrypoints.txt
+++ b/libc/config/gpu/amdgpu/entrypoints.txt
@@ -511,14 +511,25 @@ set(TARGET_LIBM_ENTRYPOINTS
 if(LIBC_TYPES_HAS_FLOAT16)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C23 _Float16 entrypoints
+    libc.src.math.acosf16
+    libc.src.math.acoshf16
+    libc.src.math.acospif16
+    libc.src.math.asinf16
+    libc.src.math.asinhf16
+    libc.src.math.atanf16
+    libc.src.math.atanhf16
     libc.src.math.canonicalizef16
     libc.src.math.ceilf16
     libc.src.math.copysignf16
+    libc.src.math.cosf16
     libc.src.math.coshf16
+    libc.src.math.cospif16
     libc.src.math.exp10f16
     libc.src.math.exp10m1f16
     libc.src.math.exp2f16
+    # libc.src.math.exp2m1f16
     libc.src.math.expf16
+    libc.src.math.expm1f16
     libc.src.math.f16add
     libc.src.math.f16addf
     libc.src.math.f16addl
@@ -556,7 +567,10 @@ if(LIBC_TYPES_HAS_FLOAT16)
     libc.src.math.fromfpf16
     libc.src.math.fromfpxf16
     libc.src.math.getpayloadf16
+    libc.src.math.hypotf16
     libc.src.math.ilogbf16
+    libc.src.math.iscanonicalf16
+    libc.src.math.issignalingf16
     libc.src.math.ldexpf16
     libc.src.math.llogbf16
     libc.src.math.llrintf16
@@ -583,9 +597,13 @@ if(LIBC_TYPES_HAS_FLOAT16)
     libc.src.math.scalbnf16
     libc.src.math.setpayloadf16
     libc.src.math.setpayloadsigf16
+    libc.src.math.sinf16
     libc.src.math.sinhf16
+    libc.src.math.sinpif16
     libc.src.math.sqrtf16
+    libc.src.math.tanf16
     libc.src.math.tanhf16
+    libc.src.math.tanpif16
     libc.src.math.totalorderf16
     libc.src.math.totalordermagf16
     libc.src.math.truncf16

diff  --git a/libc/config/gpu/nvptx/entrypoints.txt b/libc/config/gpu/nvptx/entrypoints.txt
index 2b8c29fda3dc8..13b77172dcf5e 100644
--- a/libc/config/gpu/nvptx/entrypoints.txt
+++ b/libc/config/gpu/nvptx/entrypoints.txt
@@ -513,14 +513,25 @@ set(TARGET_LIBM_ENTRYPOINTS
 if(LIBC_TYPES_HAS_FLOAT16)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C23 _Float16 entrypoints
+    libc.src.math.acosf16
+    libc.src.math.acoshf16
+    libc.src.math.acospif16
+    libc.src.math.asinf16
+    libc.src.math.asinhf16
+    libc.src.math.atanf16
+    libc.src.math.atanhf16
     libc.src.math.canonicalizef16
     libc.src.math.ceilf16
     libc.src.math.copysignf16
+    libc.src.math.cosf16
     libc.src.math.coshf16
+    libc.src.math.cospif16
     libc.src.math.exp10f16
     libc.src.math.exp10m1f16
     libc.src.math.exp2f16
+    libc.src.math.exp2m1f16
     libc.src.math.expf16
+    libc.src.math.expm1f16
     libc.src.math.f16add
     libc.src.math.f16addf
     libc.src.math.f16addl
@@ -558,7 +569,10 @@ if(LIBC_TYPES_HAS_FLOAT16)
     libc.src.math.fromfpf16
     libc.src.math.fromfpxf16
     libc.src.math.getpayloadf16
+    libc.src.math.hypotf16
     libc.src.math.ilogbf16
+    libc.src.math.iscanonicalf16
+    libc.src.math.issignalingf16
     libc.src.math.ldexpf16
     libc.src.math.llogbf16
     libc.src.math.llrintf16
@@ -585,9 +599,13 @@ if(LIBC_TYPES_HAS_FLOAT16)
     libc.src.math.scalbnf16
     libc.src.math.setpayloadf16
     libc.src.math.setpayloadsigf16
+    libc.src.math.sinf16
     libc.src.math.sinhf16
+    libc.src.math.sinpif16
     libc.src.math.sqrtf16
+    libc.src.math.tanf16
     libc.src.math.tanhf16
+    libc.src.math.tanpif16
     libc.src.math.totalorderf16
     libc.src.math.totalordermagf16
     libc.src.math.truncf16