Mercurial Mercurial > jdk-sandbox / changeset
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8007708: compiler/6855215 assert(VM_Version::supports_sse4_2())
authorkvn
Fri, 08 Feb 2013 15:07:17 -0800
changeset 15612 d4073ad8ce3d
parent 15590 abc47e8830a0
child 15613 7c250aa645c5
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
hotspot/src/cpu/x86/vm/assembler_x86.cpp file | annotate | diff | comparison | revisions
hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/cpu/x86/vm/assembler_x86.cpp	Fri Feb 08 08:16:00 2013 -0800
+++ b/hotspot/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) {
--- a/hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp	Fri Feb 08 08:16:00 2013 -0800
+++ b/hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp	Fri Feb 08 15:07:17 2013 -0800
@@ -5691,7 +5691,7 @@
   Address::ScaleFactor scale = Address::times_2;
   int stride = 8;
 
-  if (UseAVX >= 2) {
+  if (UseAVX >= 2 && UseSSE42Intrinsics) {
     Label COMPARE_WIDE_VECTORS, VECTOR_NOT_EQUAL, COMPARE_WIDE_TAIL, COMPARE_SMALL_STR;
     Label COMPARE_WIDE_VECTORS_LOOP, COMPARE_16_CHARS, COMPARE_INDEX_CHAR;
     Label COMPARE_TAIL_LONG;
jdk-sandbox