Messages in this thread | | | Date | Wed, 25 Mar 1998 21:06:36 +0100 (CET) | From | MOLNAR Ingo <> | Subject | Re: [PATCH] APM support doesn't compile with binutils 2.8.1.0.24 |
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On Wed, 25 Mar 1998, H. J. Lu wrote:
> Can someone please tell me the correct opcode for "pushl %ds" > and by what increment esp is changed by "pushl %ds"?
80484a9: 1e pushl %ds <=== 32 bit PUSH 80484aa: 66 1e pushl %ds <=== 16 bit PUSH
32 bit push increments esp by 4. 16 bit push increments by 2. At least on the P54C/S5 i have.
current GAS behavior:
ASM("pushb %ds"); ASM("pushw %ds"); ASM("pushl %ds"); ASM("push %ds");
generates:
80484a9: 1e pushl %ds 80484aa: 66 1e pushl %ds 80484ac: 1e pushl %ds 80484ad: 1e pushl %ds
-- mingo
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