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Re: [PATCH 0/7] Sparc atomic optabs errata
On 11/20/2011 12:47 PM, David Miller wrote:
> From: Richard Henderson <rth@redhat.com>
> Date: Thu, 17 Nov 2011 11:22:53 -1000
>
>> Full sparc64-linux testing still underway; I've pushed these two
>> patches to the git branch previously mentioned.
>
> With these changes most of the libgomp atomic tests fail to build:
>
> /home/davem/src/GIT/GCC/gcc/libgomp/testsuite/libgomp.c/atomic-1.c: In function 'f1':
> /home/davem/src/GIT/GCC/gcc/libgomp/testsuite/libgomp.c/atomic-1.c:26:1: error: unrecognizable insn:
> (insn 20 19 21 5 (parallel [
> (set (reg:DI 115 [ D.2288 ])
> (mem/v:DI (reg/f:SI 130) [-1 S8 A64]))
> (set (mem/v:DI (reg/f:SI 130) [-1 S8 A64])
> (unspec_volatile:DI [
> (reg:DI 111 [ D.2288 ])
> (reg:DI 114 [ D.2286 ])
> ] 8))
> ]) /home/davem/src/GIT/GCC/gcc/libgomp/testsuite/libgomp.c/atomic-1.c:21 -1
> (nil))
> /home/davem/src/GIT/GCC/gcc/libgomp/testsuite/libgomp.c/atomic-1.c:26:1: internal compiler error: in extract_insn, at recog.c:2137
>
> This is a 32-bit compiler configured with "--with-cpu=niagara3".
I can't reproduce this. What's the exact cc1 command-line?
r~