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8282221: x86 intrinsics for divideUnsigned and remainderUnsigned methods in java.lang.Integer and java.lang.Long

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Reviewed-by: sviswanathan, kvn, jbhateja
This commit is contained in:
vamsi-parasa 2022-04-10 03:47:18 +00:00 • committed by Jatin Bhateja
parent 0b867b5e73
commit 37e28aea27
20 changed files with 1155 additions and 2 deletions
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5
src/hotspot/cpu/x86/assembler_x86.cpp
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@ -12366,6 +12366,11 @@ void Assembler::idivq(Register src) {
emit_int16((unsigned char)0xF7, (0xF8 | encode));
}
void Assembler::divq(Register src) {
int encode = prefixq_and_encode(src->encoding());
emit_int16((unsigned char)0xF7, (0xF0 | encode));
}
void Assembler::imulq(Register dst, Register src) {
int encode = prefixq_and_encode(dst->encoding(), src->encoding());
emit_int24(0x0F, (unsigned char)0xAF, (0xC0 | encode));