[libc-commits] [libc] [libc][math] Enable math acos for baremetal Arm and AArch64 (PR #166749)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Victor Campos (vhscampos)

<details>
<summary>Changes</summary>

This patch adds `acos` to the entrypoints of baremetal Arm and AArch64.

Tests have been run with Arm Toolchain for Embedded, a downstream toolchain, in conjunction with qemu, across several configurations of FPUs and architecture versions. All tests run are passing.

---
Full diff: https://github.com/llvm/llvm-project/pull/166749.diff


2 Files Affected:

- (modified) libc/config/baremetal/aarch64/entrypoints.txt (+1) 
- (modified) libc/config/baremetal/arm/entrypoints.txt (+1) 


``````````diff
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
index 935c95af0d4af..b6650d79f624b 100644
--- a/libc/config/baremetal/aarch64/entrypoints.txt
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -321,6 +321,7 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.fenv.feupdateenv
 
     # math.h entrypoints
+    libc.src.math.acos
     libc.src.math.acosf
     libc.src.math.acoshf
     libc.src.math.asinf
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index 82e257c1d2b0d..eedd9f7418f1f 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -321,6 +321,7 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.fenv.feupdateenv
 
     # math.h entrypoints
+    libc.src.math.acos
     libc.src.math.acosf
     libc.src.math.acoshf
     libc.src.math.asinf

``````````

</details>


https://github.com/llvm/llvm-project/pull/166749