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[Bug middle-end/52375] [4.6/4.7 Regression] internal compiler error: in extract_insn, at recog.c:2123 at -O3 -mfpu=neon
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 27 Feb 2012 11:12:48 +0000
- Subject: [Bug middle-end/52375] [4.6/4.7 Regression] internal compiler error: in extract_insn, at recog.c:2123 at -O3 -mfpu=neon
- Auto-submitted: auto-generated
- References: <bug-52375-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52375
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-27 11:12:48 UTC ---
Reduced testcase:
/* PR tree-optimization/52375 */
/* { dg-do compile } */
/* { dg-options "-march=armv7-a -mfloat-abi=softfp -mfpu=neon -O
-ftree-vectorize" } */
struct C { int c, d; };
unsigned
foo (struct C *p)
{
unsigned int b = 0, i;
for (i = 0; i < 64; i++)
b |= 0x80000000U >> p[i].c;
return b;
}