[libc-commits] [libc] [libc] Enable float128 entrypoints on aarch64 and riscv64. (PR #80682)

[via libc-commits]

https://github.com/lntue created https://github.com/llvm/llvm-project/pull/80682

None

>From 888c4c40d7f533cf724533c572e26b4a8d60bca0 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Mon, 5 Feb 2024 08:27:07 -0500
Subject: [PATCH] [libc] Enable float128 entrypoints on aarch64 and riscv64.

---
 libc/config/linux/aarch64/entrypoints.txt |  8 ++++++++
 libc/config/linux/riscv/entrypoints.txt   | 15 +++++++++++++++
 libc/docs/math/index.rst                  | 16 ++++++++--------
 3 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/libc/config/linux/aarch64/entrypoints.txt b/libc/config/linux/aarch64/entrypoints.txt
index 12c535174435c..3f227ea377204 100644
--- a/libc/config/linux/aarch64/entrypoints.txt
+++ b/libc/config/linux/aarch64/entrypoints.txt
@@ -379,7 +379,15 @@ set(TARGET_LIBM_ENTRYPOINTS
 if(LIBC_COMPILER_HAS_FLOAT128)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # math.h C23 _Float128 entrypoints
+    libc.src.math.ceilf128
+    libc.src.math.copysignf128
     libc.src.math.fabsf128
+    libc.src.math.floorf128
+    libc.src.math.fmaxf128
+    libc.src.math.fminf128
+    libc.src.math.roundf128
+    libc.src.math.sqrtf128
+    libc.src.math.truncf128
   )
 endif()
 
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index e2a3860e98afd..c6fb44187145a 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -385,6 +385,21 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.truncl
 )
 
+if(LIBC_COMPILER_HAS_FLOAT128)
+  list(APPEND TARGET_LIBM_ENTRYPOINTS
+    # math.h C23 _Float128 entrypoints
+    libc.src.math.ceilf128
+    libc.src.math.copysignf128
+    libc.src.math.fabsf128
+    libc.src.math.floorf128
+    libc.src.math.fmaxf128
+    libc.src.math.fminf128
+    libc.src.math.roundf128
+    libc.src.math.sqrtf128
+    libc.src.math.truncf128
+  )
+endif()
+
 if(LLVM_LIBC_FULL_BUILD)
   list(APPEND TARGET_LIBC_ENTRYPOINTS
     # compiler entrypoints (no corresponding header)
diff --git a/libc/docs/math/index.rst b/libc/docs/math/index.rst
index bf58f559c4514..3af7e106fc993 100644
--- a/libc/docs/math/index.rst
+++ b/libc/docs/math/index.rst
@@ -114,7 +114,7 @@ Basic Operations
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | ceill        | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| ceilf128     | |check| |         |         |         |         |         |         |         |         |         |         |         |
+| ceilf128     | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | copysign     | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
@@ -122,7 +122,7 @@ Basic Operations
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | copysignl    | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| copysignf128 | |check| | |check| |         |         |         |         |         |         |         |         |         |         |
+| copysignf128 | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fabs         | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
@@ -130,7 +130,7 @@ Basic Operations
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fabsl        | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| fabsf128     | |check| | |check| |         |         |         |         |         |         |         |         |         |         |
+| fabsf128     | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fdim         | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
@@ -144,13 +144,13 @@ Basic Operations
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | floorl       | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| floorf128    | |check| |         |         |         |         |         |         |         |         |         |         |         |
+| floorf128    | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fmax         | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fmaxf        | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| fmaxf128     | |check| |         |         |         |         |         |         |         |         |         |         |         |
+| fmaxf128     | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fmaxl        | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
@@ -158,7 +158,7 @@ Basic Operations
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fminf        | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| fminf128     | |check| |         |         |         |         |         |         |         |         |         |         |         |
+| fminf128     | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | fminl        | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
@@ -270,7 +270,7 @@ Basic Operations
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | roundl       | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| roundf128    | |check| |         |         |         |         |         |         |         |         |         |         |         |
+| roundf128    | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | scalbn       | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
@@ -284,7 +284,7 @@ Basic Operations
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
 | truncl       | |check| | |check| | |check| | |check| | |check| |         |         | |check| | |check| | |check| |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
-| truncf128    | |check| |         |         |         |         |         |         |         |         |         |         |         |
+| truncf128    | |check| | |check| |         | |check| |         |         |         |         |         |         |         |         |
 +--------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+