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Re: [PATCH, i386]: Introduce missing FP control register (fpcr) definition
- From: Ian Lance Taylor <iant at google dot com>
- To: "Uros Bizjak" <ubizjak at gmail dot com>
- Cc: "GCC Patches" <gcc-patches at gcc dot gnu dot org>, "Jorn Wolfgang Rennecke" <amylaar at gcc dot gnu dot org>
- Date: 24 Oct 2006 07:51:19 -0700
- Subject: Re: [PATCH, i386]: Introduce missing FP control register (fpcr) definition
- References: <5787cf470610050344x29029082j9e778a7c46955cae@mail.gmail.com>
"Uros Bizjak" <ubizjak@gmail.com> writes:
> 2005-10-05 Uros Bizjak <uros@kss-loka.si>
>
> * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
> (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
> (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
> (FRAME_POINTER_REGNUM): Update register number to 21.
> (REG_CLASS_CONTENTS): Update contents for added fpcr register.
> (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
>
> * config/i386/i386.c (regclass_map): Add fpcr entry.
> (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
> Add fpcr entry.
>
> * config/i386/i386.md (FPCR_REG): New constant.
> (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
This patch is OK for mainline.
Thanks.
Ian