OcGuardLib: Avoid undefined reference to 64-bit mul builtin on IA-32

1b280f88 · vit9696 · 59825b3b · 1b280f88
隐藏空白更改
内联并排

Showing with 6 addition and 2 deletion

Library/OcGuardLib/BitOverflow.c Library/OcGuardLib/BitOverflow.c +6 -2

未找到文件。
--- a/Library/OcGuardLib/BitOverflow.c
+++ b/Library/OcGuardLib/BitOverflow.c
@@ -319,9 +319,13 @@ OcOverflowMulS64 (
  INT64  *Result
  )
 {
-#if defined(OC_HAS_TYPE_GENERIC_BUILTINS)
+  //
+  // Intel 32-bit architectures do not have hardware signed 64-bit
+  // multiplication with overflow.
+  //
+#if defined(OC_HAS_TYPE_GENERIC_BUILTINS) && !defined(MDE_CPU_IA32)
  return __builtin_mul_overflow(A, B, Result);
-#elif defined(OC_HAS_TYPE_SPECIFIC_BUILTINS)
+#elif defined(OC_HAS_TYPE_SPECIFIC_BUILTINS) && !defined(MDE_CPU_IA32)
  return __builtin_smulll_overflow(A, B, Result);
 #else
  UINT64  AU;