[Bug target/51237] New: [4.7 Regression] FAIL: gcc.dg/tree-ssa/prefetch-[89].c (internal compiler error) caused by revision 181491
dominiq at lps dot ens.fr
gcc-bugzilla@gcc.gnu.org
Sun Nov 20 13:47:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51237
Bug #: 51237
Summary: [4.7 Regression] FAIL: gcc.dg/tree-ssa/prefetch-[89].c
(internal compiler error) caused by revision 181491
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: dominiq@lps.ens.fr
CC: hjl.tools@gmail.com
Host: i?86-*-* x86_64-*-*
Target: i?86-*-* x86_64-*-*
Build: i?86-*-* x86_64-*-*
Since revision 181491 the tests gcc.dg/tree-ssa/prefetch-[89].c fail with
[macbook] f90/bug% gcc47 -m32 -O2 -fprefetch-loop-arrays -msse2 -mfpmath=sse
--param simultaneous-prefetches=100
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c: In function 'test':
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c:16:1: error:
unrecognizable insn:
(insn 45 44 46 4 (set (mem:SI (reg:SI 95 [ ivtmp.10 ]) [2 MEM[base: D.2930_13,
offset: 0B]+0 S4 A32])
(unspec:SI [
(reg:SI 100)
] UNSPEC_MOVNT))
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c:15 -1
(nil))
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c:16:1: internal
compiler error: in extract_insn, at recog.c:2137
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[macbook] f90/bug% gcc47 -m32 -O2 -fprefetch-loop-arrays -march=athlon -msse2
-mfpmath=sse --param simultaneous-prefetches=100
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c: In function 'test':
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c:16:1: error:
unrecognizable insn:
(insn 45 44 46 4 (set (mem:SI (reg:SI 95 [ ivtmp.10 ]) [2 MEM[base: D.2960_13,
offset: 0B]+0 S4 A32])
(unspec:SI [
(reg:SI 100)
] UNSPEC_MOVNT))
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c:15 -1
(nil))
/opt/gcc/work/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c:16:1: internal
compiler error: in extract_insn, at recog.c:2137
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
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