Re: regression in simd-4.c on darwin6.1

[Andreas Tobler <toa@pop.agri.ch>]

Aldy Hernandez wrote:
>>>>>>"David" == David Edelsohn <dje@watson.ibm.com> writes:
> 
> 
>  > 	This failure occurs on AIX (-O2, -O3, -Os) as well and was
>  > introduced by the cse.c patch from Stuart.  The recent correction to the
>  > patch removing the warning does not affect the failure.
> 
> It fails on linuxppc too.
I can see the same, after a loooong compilation time on my 604/200:

FAIL: gcc.c-torture/compile/simd-4.c,  -O2
FAIL: gcc.c-torture/compile/simd-4.c,  -O3 -fomit-frame-pointer
FAIL: gcc.c-torture/compile/simd-4.c,  -O3 -g
FAIL: gcc.c-torture/compile/simd-4.c,  -Os

/home/andreas/gcc/gcc/testsuite/gcc.c-torture/compile/simd-4.c:15: 
error: unable to find a register to spill in class `FLOAT_REGS'^M
/home/andreas/gcc/gcc/testsuite/gcc.c-torture/compile/simd-4.c:15: 
error: this is the insn:^M
(insn:HI 120 97 129 0 0x3008a1c0 (set (subreg:SF (reg:V4SF 5 r5 [130]) 12)^M
         (plus:SF (subreg:SF (reg:SI 66 ctr [124]) 0)^M
             (subreg:SF (reg:SI 31 r31 [129]) 0))) 168 {*rs6000.md:5157} 
(insn_list:REG_DEP_OUTPUT 97 (insn_list 26 (insn_list 16 (nil))))^M 
(expr_list:REG_DEAD (reg:SI 66 ctr [124])^M        (expr_list:REG_DEAD 
(reg:SI 31 r31 [129])^M
             (nil))))^M
/home/andreas/gcc/gcc/testsuite/gcc.c-torture/compile/simd-4.c:15: 
internal compiler error: in spill_failure, at reload1.c:1916^MPlease 
submit a full bug report,^Mwith preprocessed source if appropriate.^M
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.^M


> 
> I thought this patch was tested on darwin?

Hm, I guess only bootstrapped....


It still fails as of yesterdays cvs.

Thanks,
Andreas