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diff src/cpu/x86/vm/assembler_x86.cpp @ 8042:91a23b11d8dc

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8007708: compiler/6855215 assert(VM_Version::supports_sse4_2()) Summary: Added missing UseSSE42 check. Also added missing avx2 assert for vpermq instruction. Reviewed-by: roland, twisti
author kvn
date Fri, 08 Feb 2013 15:07:17 -0800
parents 8391fdd36e1f
children 5fc51c1ecdeb cc32ccaaf47f
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line diff
--- a/src/cpu/x86/vm/assembler_x86.cpp	Fri Feb 08 08:16:00 2013 -0800
+++ b/src/cpu/x86/vm/assembler_x86.cpp	Fri Feb 08 15:07:17 2013 -0800
@@ -2270,10 +2270,11 @@
 }
 
 void Assembler::vpermq(XMMRegister dst, XMMRegister src, int imm8, bool vector256) {
-    int encode = simd_prefix_and_encode(dst, xnoreg, src, VEX_SIMD_66, VEX_OPCODE_0F_3A, true, vector256);
-    emit_int8(0x00);
-    emit_int8(0xC0 | encode);
-    emit_int8(imm8);
+  assert(VM_Version::supports_avx2(), "");
+  int encode = simd_prefix_and_encode(dst, xnoreg, src, VEX_SIMD_66, VEX_OPCODE_0F_3A, true, vector256);
+  emit_int8(0x00);
+  emit_int8(0xC0 | encode);
+  emit_int8(imm8);
 }
 
 void Assembler::pcmpestri(XMMRegister dst, Address src, int imm8) {