Fix load64_aligned

[gchatelet]

Fix #64758 load64_aligned was missing a case for alignment == 6.

[llvmbot]

@llvm/pr-subscribers-libc

Author: Guillaume Chatelet (gchatelet)

Changes

Fix #64758 load64_aligned was missing a case for alignment == 6.

---

Full diff: https://github.com/llvm/llvm-project/pull/71391.diff

1 Files Affected:

• (modified) libc/src/string/memory_utils/generic/aligned_access.h (+4-2)

diff --git a/libc/src/string/memory_utils/generic/aligned_access.h b/libc/src/string/memory_utils/generic/aligned_access.h
index 4238167e54d644d..65bc63f6cbe5571 100644
--- a/libc/src/string/memory_utils/generic/aligned_access.h
+++ b/libc/src/string/memory_utils/generic/aligned_access.h
@@ -28,7 +28,7 @@ namespace LIBC_NAMESPACE {
     return load32_aligned<uint32_t>(ptr, offset);
   else if (alignment == 2)
     return load32_aligned<uint16_t, uint16_t>(ptr, offset);
-  else
+  else // 1, 3
     return load32_aligned<uint8_t, uint16_t, uint8_t>(ptr, offset);
 }
 
@@ -38,9 +38,11 @@ namespace LIBC_NAMESPACE {
     return load64_aligned<uint64_t>(ptr, offset);
   else if (alignment == 4)
     return load64_aligned<uint32_t, uint32_t>(ptr, offset);
+  else if (alignment == 6)
+    return load64_aligned<uint16_t, uint32_t, uint16_t>(ptr, offset);
   else if (alignment == 2)
     return load64_aligned<uint16_t, uint16_t, uint16_t, uint16_t>(ptr, offset);
-  else
+  else // 1, 3, 5, 7
     return load64_aligned<uint8_t, uint16_t, uint16_t, uint16_t, uint8_t>(
         ptr, offset);
 }

[gchatelet]

Thx for the quick review @lntue !