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8279282: [vectorapi] Matcher::supports_vector_comparison_unsigned is not needed on x86

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Reviewed-by: kvn, sviswanathan, vlivanov
This commit is contained in:
Quan Anh Mai 2022-01-20 18:24:53 +00:00 • committed by Sandhya Viswanathan
parent 3419ff7ba7
commit 02390c79b1
8 changed files with 104 additions and 138 deletions
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10
src/hotspot/cpu/x86/assembler_x86.cpp
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@ -2473,6 +2473,16 @@ void Assembler::movddup(XMMRegister dst, XMMRegister src) {
emit_int16(0x12, 0xC0 | encode);
}
void Assembler::vmovddup(XMMRegister dst, Address src, int vector_len) {
assert(VM_Version::supports_avx(), "");
InstructionMark im(this);
InstructionAttr attributes(vector_len, /* rex_w */ VM_Version::supports_evex(), /* legacy_mode */ false, /* no_mask_reg */ true, /* uses_vl */ true);
attributes.set_rex_vex_w_reverted();
simd_prefix(dst, xnoreg, src, VEX_SIMD_F2, VEX_OPCODE_0F, &attributes);
emit_int8(0x12);
emit_operand(dst, src);
}
void Assembler::kmovbl(KRegister dst, KRegister src) {
assert(VM_Version::supports_avx512dq(), "");
InstructionAttr attributes(AVX_128bit, /* rex_w */ false, /* legacy_mode */ true, /* no_mask_reg */ true, /* uses_vl */ false);