提交 c23a8145 编写于 作者: K kvn

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
上级 29c83a97
...@@ -2270,10 +2270,11 @@ void Assembler::vpackuswb(XMMRegister dst, XMMRegister nds, XMMRegister src, boo ...@@ -2270,10 +2270,11 @@ void Assembler::vpackuswb(XMMRegister dst, XMMRegister nds, XMMRegister src, boo
} }
void Assembler::vpermq(XMMRegister dst, XMMRegister src, int imm8, bool vector256) { 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); assert(VM_Version::supports_avx2(), "");
emit_int8(0x00); int encode = simd_prefix_and_encode(dst, xnoreg, src, VEX_SIMD_66, VEX_OPCODE_0F_3A, true, vector256);
emit_int8(0xC0 | encode); emit_int8(0x00);
emit_int8(imm8); emit_int8(0xC0 | encode);
emit_int8(imm8);
} }
void Assembler::pcmpestri(XMMRegister dst, Address src, int imm8) { void Assembler::pcmpestri(XMMRegister dst, Address src, int imm8) {
......
...@@ -5691,7 +5691,7 @@ void MacroAssembler::string_compare(Register str1, Register str2, ...@@ -5691,7 +5691,7 @@ void MacroAssembler::string_compare(Register str1, Register str2,
Address::ScaleFactor scale = Address::times_2; Address::ScaleFactor scale = Address::times_2;
int stride = 8; 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, VECTOR_NOT_EQUAL, COMPARE_WIDE_TAIL, COMPARE_SMALL_STR;
Label COMPARE_WIDE_VECTORS_LOOP, COMPARE_16_CHARS, COMPARE_INDEX_CHAR; Label COMPARE_WIDE_VECTORS_LOOP, COMPARE_16_CHARS, COMPARE_INDEX_CHAR;
Label COMPARE_TAIL_LONG; Label COMPARE_TAIL_LONG;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册