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[Bug bootstrap/44970] [4.6 regression] Revision 162270 failed to bootstrap
- From: "dominiq at lps dot ens dot fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Jul 2010 16:15:01 -0000
- Subject: [Bug bootstrap/44970] [4.6 regression] Revision 162270 failed to bootstrap
- References: <bug-44970-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from dominiq at lps dot ens dot fr 2010-07-17 16:15 -------
> x86_64 failures are expected due to a backend bug, see the patch I sent today.
With the patch in http://gcc.gnu.org/ml/gcc-patches/2010-07/txt00119.txt
bootstrap fails at stage 1 with:
/bin/sh ./libtool --tag=CC --mode=compile /opt/gcc/build_w/./gcc/xgcc
-B/opt/gcc/build_w/./gcc/ -B/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/bin/
-B/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/lib/ -isystem
/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/include -isystem
/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/sys-include -DHAVE_CONFIG_H -I.
-I../../../work/libgomp -I../../../work/libgomp/config/bsd
-I../../../work/libgomp/config/posix -I../../../work/libgomp -Wall -Werror
-Wc,-pthread -g -O2 -MT error.lo -MD -MP -MF .deps/error.Tpo -c -o error.lo
../../../work/libgomp/error.c
libtool: compile: /opt/gcc/build_w/./gcc/xgcc -B/opt/gcc/build_w/./gcc/
-B/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/bin/
-B/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/lib/ -isystem
/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/include -isystem
/opt/gcc/gcc4.6w/x86_64-apple-darwin10.4.0/sys-include -DHAVE_CONFIG_H -I.
-I../../../work/libgomp -I../../../work/libgomp/config/bsd
-I../../../work/libgomp/config/posix -I../../../work/libgomp -Wall -pthread
-Werror -g -O2 -MT error.lo -MD -MP -MF .deps/error.Tpo -c
../../../work/libgomp/error.c -fno-common -DPIC -o .libs/error.o
../../../work/libgomp/error.c: In function 'gomp_error':
../../../work/libgomp/error.c:54:1: error: unrecognizable insn:
(insn 32 31 11 2 ../../../work/libgomp/error.c:48 (parallel [
(set (mem/c:BLK (plus:DI (reg/f:DI 6 bp)
(const_int -128 [0xffffffffffffff80])) [0 A64])
(unspec:BLK [
(reg:DI 21 xmm0)
(reg:DI 22 xmm1)
(reg:DI 23 xmm2)
(reg:DI 24 xmm3)
(reg:DI 25 xmm4)
(reg:DI 26 xmm5)
(reg:DI 27 xmm6)
(reg:DI 28 xmm7)
] UNSPEC_SSE_PROLOGUE_SAVE_LOW))
(use (reg:DI 0 ax [58]))
(use (const_int 0 [0]))
(use (label_ref:DI 0))
(use (const_int 4 [0x4]))
]) -1 (nil))
../../../work/libgomp/error.c:54:1: internal compiler error: in extract_insn,
at recog.c:2127
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44970