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Re: 126.gcc broken as of Dec15
> On Fri, 21 Dec 2001, Jan Hubicka wrote:
>
> > This sounds really strange, as the prefetch code is disabled by default.
> > I will re-check the patch tonight.
> >
> Maybe it's enabled at -O3? That's how I got the error. I tried
> undoing other patches from that day, but this was the only one
> that had any effect.
>
> I'll see if I can get more information in the next few days.
Checking the patch uncovered one problem fixed by the attached patch
bootstrapped+installed as obvious.
THe effect is that compiler configured for i686 optimized for i586,
so maybe we do have some i586 bug. I am just running tests.
Fri Dec 21 23:29:40 CET 2001 Jan Hubicka <jh@suse.cz>
* i386.h (TARGET_CPU_DEFAULT_pentium_mmx): New.
(TARGET_CPU_DEFAULT_*): Renumber.
Index: i386.h
===================================================================
RCS file: /cvs/gcc/egcs/gcc/config/i386/i386.h,v
retrieving revision 1.228
diff -c -3 -p -r1.228 i386.h
*** i386.h 2001/12/20 17:36:35 1.228
--- i386.h 2001/12/21 22:29:33
*************** extern int ix86_arch;
*** 488,502 ****
#define TARGET_CPU_DEFAULT_i386 0
#define TARGET_CPU_DEFAULT_i486 1
#define TARGET_CPU_DEFAULT_pentium 2
! #define TARGET_CPU_DEFAULT_pentiumpro 3
! #define TARGET_CPU_DEFAULT_pentium2 4
! #define TARGET_CPU_DEFAULT_pentium3 5
! #define TARGET_CPU_DEFAULT_pentium4 6
! #define TARGET_CPU_DEFAULT_k6 7
! #define TARGET_CPU_DEFAULT_k6_2 8
! #define TARGET_CPU_DEFAULT_k6_3 9
! #define TARGET_CPU_DEFAULT_athlon 10
! #define TARGET_CPU_DEFAULT_athlon_sse 11
#define TARGET_CPU_DEFAULT_NAMES {"i386", "i486", "pentium", "pentium-mmx",\
"pentiumpro", "pentium2", "pentium3", \
--- 488,503 ----
#define TARGET_CPU_DEFAULT_i386 0
#define TARGET_CPU_DEFAULT_i486 1
#define TARGET_CPU_DEFAULT_pentium 2
! #define TARGET_CPU_DEFAULT_pentium_mmx 3
! #define TARGET_CPU_DEFAULT_pentiumpro 4
! #define TARGET_CPU_DEFAULT_pentium2 5
! #define TARGET_CPU_DEFAULT_pentium3 6
! #define TARGET_CPU_DEFAULT_pentium4 7
! #define TARGET_CPU_DEFAULT_k6 8
! #define TARGET_CPU_DEFAULT_k6_2 9
! #define TARGET_CPU_DEFAULT_k6_3 10
! #define TARGET_CPU_DEFAULT_athlon 11
! #define TARGET_CPU_DEFAULT_athlon_sse 12
#define TARGET_CPU_DEFAULT_NAMES {"i386", "i486", "pentium", "pentium-mmx",\
"pentiumpro", "pentium2", "pentium3", \