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7056380: VM crashes with SIGSEGV in compiled code

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Code was using andq reg, imm instead of addq addr, imm

Reviewed-by: kvn, jrose, twisti
This commit is contained in:
Tom Rodriguez 2011-06-21 09:04:55 -07:00
parent d19a8f6e35
commit 7c1d16f7d3
3 changed files with 25 additions and 35 deletions
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8
hotspot/src/cpu/x86/vm/assembler_x86.cpp
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@ -3804,6 +3804,14 @@ void Assembler::addq(Register dst, Register src) {
emit_arith(0x03, 0xC0, dst, src);
}
void Assembler::andq(Address dst, int32_t imm32) {
InstructionMark im(this);
prefixq(dst);
emit_byte(0x81);
emit_operand(rsp, dst, 4);
emit_long(imm32);
}
void Assembler::andq(Register dst, int32_t imm32) {
(void) prefixq_and_encode(dst->encoding());
emit_arith(0x81, 0xE0, dst, imm32);