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Re: Fwd: x86 patch: SSE-based FP<=>int conversions, round 4
- From: "Richard Guenther" <richard dot guenther at gmail dot com>
- To: "Richard Henderson" <rth at redhat dot com>, "Stuart Hastings" <stuart at apple dot com>, gcc-patches at gcc dot gnu dot org
- Date: Sat, 10 Feb 2007 16:49:01 +0100
- Subject: Re: Fwd: x86 patch: SSE-based FP<=>int conversions, round 4
- References: <C1385ED0-14B9-447F-A078-2930AD581A68@apple.com> <923B9147-8240-4C6C-B4D6-110A9F960676@apple.com> <20070209175319.GB4930@redhat.com>
On 2/9/07, Richard Henderson <rth@redhat.com> wrote:
On Thu, Feb 08, 2007 at 04:56:08PM -0800, Stuart Hastings wrote:
> I suppose the review would be easier if I attached a patch to
> review. Duh.
Ok.
It looks like this caused PR30757.
double log(double x);
void f() { unsigned char a = log(0); }
./cc1 -quiet -march=athlon-xp -mfpmath=sse t.i
t.i: In function 'f':
t.i:2: error: unrecognizable insn:
(insn 11 10 12 3 (set (reg:SI 61)
(fix:SI (reg:DF 58 [ D.1820 ]))) -1 (nil)
(nil))
t.i:2: internal compiler error: in extract_insn, at recog.c:2108
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