x86: Detect BMI2 instruction support.

2016-03-28 23:04:33 +02:00
parent c24c8e5312
commit 6801e7165c
4 changed files with 10 additions and 1 deletions
--- a/src/vm_x86.dasc
+++ b/src/vm_x86.dasc
@@ -3026,6 +3026,7 @@ static void build_subroutines(BuildCtx *ctx)
  |  mov eax, CARG1d
  |  .if X64WIN; push rsi; mov rsi, CARG2; .endif
  |  push rbx
+  |  xor ecx, ecx
  |  cpuid
  |  mov [rsi], eax
  |  mov [rsi+4], ebx
@@ -3049,6 +3050,7 @@ static void build_subroutines(BuildCtx *ctx)
  |  mov eax, [esp+4]			// Argument 1 is function number.
  |  push edi
  |  push ebx
+  |  xor ecx, ecx
  |  cpuid
  |  mov edi, [esp+16]			// Argument 2 is result area.
  |  mov [edi], eax