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comparison src/cpu/x86/vm/assembler_x86.cpp @ 3783:de6a837d75cf

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7056380: VM crashes with SIGSEGV in compiled code Summary: code was using andq reg, imm instead of addq addr, imm Reviewed-by: kvn, jrose, twisti
author never
date Tue, 21 Jun 2011 09:04:55 -0700
parents 5cf771a79037
children be4ca325525a 95134e034042
comparison
equal deleted inserted replaced
3782:aacaff365100 3783:de6a837d75cf
3802 void Assembler::addq(Register dst, Register src) { 3802 void Assembler::addq(Register dst, Register src) {
3803 (void) prefixq_and_encode(dst->encoding(), src->encoding()); 3803 (void) prefixq_and_encode(dst->encoding(), src->encoding());
3804 emit_arith(0x03, 0xC0, dst, src); 3804 emit_arith(0x03, 0xC0, dst, src);
3805 } 3805 }
3806 3806
3807 void Assembler::andq(Address dst, int32_t imm32) {
3808 InstructionMark im(this);
3809 prefixq(dst);
3810 emit_byte(0x81);
3811 emit_operand(rsp, dst, 4);
3812 emit_long(imm32);
3813 }
3814
3807 void Assembler::andq(Register dst, int32_t imm32) { 3815 void Assembler::andq(Register dst, int32_t imm32) {
3808 (void) prefixq_and_encode(dst->encoding()); 3816 (void) prefixq_and_encode(dst->encoding());
3809 emit_arith(0x81, 0xE0, dst, imm32); 3817 emit_arith(0x81, 0xE0, dst, imm32);
3810 } 3818 }
3811 3819