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Re: [PATCH] x86: Add .nop directive to assembler
On Mon, Feb 26, 2018 at 11:17 AM, John Darrington
> On Mon, Feb 26, 2018 at 11:03:12AM -0800, H.J. Lu wrote:
> On Mon, Feb 26, 2018 at 11:00 AM, John Darrington
> <email@example.com> wrote:
> > I haven't read every post in this thread, nor do I pretend to understand all the
> > issues.
> > But it this change seems to have the effect that any instruction called "NOP"
> > in the .s file are completely ignored :(
> > Many cpus have a NOP instruction. It's often used in realtime systems to
> > implement short delays.
> Which target have you tried?
[hjl@gnu-cfl-1 gas]$ cat x.s
[hjl@gnu-cfl-1 gas]$ ./as-new -o x.o x.s -m68hcs12
[hjl@gnu-cfl-1 gas]$ ../binutils/objdump -dw x.o
x.o: file format elf32-m68hc12
Disassembly of section .text:
0: a7 nop
Am I missing something?