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Re: [PATCH] x86-64 gcc generate wrong assembly instruction movabs for intel syntax
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Cc: Perez Read <netfirewall at gmail dot com>
- Date: Mon, 12 Aug 2013 08:52:43 +0200
- Subject: Re: [PATCH] x86-64 gcc generate wrong assembly instruction movabs for intel syntax
Hello!
> movabs is incorrectly translated into "mov [rax], -1", and causes
> compile error "Error: ambiguous operand size for `mov' ".
> It should be "mov QWORD PTR [rax], -1"
>
> Bootstrap passed. Regression tested on x86_64-unknown-linux-gnu (pc).
>
> 2013-08-10 Perez Read <netfirewall@gmail.com>
>
> * config/i386/i386.md (*movabs<mode>_1) : Add <ptrsize> PTR before
> operand 0 for intel asm alternative.
>
> * testsuite/gcc.target/i386/movabs-1.c : New test.
You should mention PR number in the ChangeLog.
Looks OK, but I think that for consistency this decoration should also
be added to *movabs<mode>_2 pattern.
Uros.