[libc-commits] [libc] [libc] Enable intermediate computation in float for baremetal (PR #163622)

via libc-commits libc-commits at lists.llvm.org
Wed Oct 15 12:58:35 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Petr Hosek (petrhosek)

<details>
<summary>Changes</summary>

This can improve performance on 32-bit baremetal targets.

---
Full diff: https://github.com/llvm/llvm-project/pull/163622.diff


1 Files Affected:

- (modified) libc/config/baremetal/config.json (+1-1) 


``````````diff
diff --git a/libc/config/baremetal/config.json b/libc/config/baremetal/config.json
index 796b1d8ed1398..ffb4fe6487fdc 100644
--- a/libc/config/baremetal/config.json
+++ b/libc/config/baremetal/config.json
@@ -36,7 +36,7 @@
   },
   "math": {
     "LIBC_CONF_MATH_OPTIMIZATIONS": {
-      "value": "(LIBC_MATH_SKIP_ACCURATE_PASS | LIBC_MATH_SMALL_TABLES)"
+      "value": "(LIBC_MATH_SKIP_ACCURATE_PASS | LIBC_MATH_SMALL_TABLES | LIBC_MATH_INTERMEDIATE_COMP_IN_FLOAT)"
     }
   },
   "general": {

``````````

</details>


https://github.com/llvm/llvm-project/pull/163622


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