https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #10 from zhenqiang.chen at linaro dot org ---
Yes. I see. The patch is in review. But no feedback although I had pinged it
for three times.
https://gcc.gnu.org/ml/gcc-patches/2014-06/msg01325.html
I will go on ping it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #9 from Dominique d'Humieres dominiq at lps dot ens.fr ---
FAIL: gcc.target/i386/pr49095.c scan-assembler-not test[lq]
Still failing after revision r210921 (-m32 only).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #8 from zqchen at gcc dot gnu.org ---
Author: zqchen
Date: Mon May 26 06:11:33 2014
New Revision: 210921
URL: http://gcc.gnu.org/viewcvs?rev=210921root=gccview=rev
Log:
ChangeLog:
2014-05-26 Zhenqiang Chen zhenqiang.c...@linaro.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #3 from zhenqiang.chen at linaro dot org ---
I can not reproduce gcc.dg/guality/pr43051-1.c fail with options
-fno-diagnostics-show-caret -fdiagnostics-color=never -O3 -fomit-frame-pointer
-funroll-all-loops -m32 -mtune=core2
What
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
Dominique d'Humieres dominiq at lps dot ens.fr changed:
What|Removed |Added
CC||hjl at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #5 from Uroš Bizjak ubizjak at gmail dot com ---
Even with the patch, I still get (using -m32 on x86_64-pc-linux-gnu)
FAIL: gcc.target/i386/pr49095.c scan-assembler-not test[lq]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #6 from Dominique d'Humieres dominiq at lps dot ens.fr ---
Even with the patch, I still get (using -m32 on x86_64-pc-linux-gnu)
FAIL: gcc.target/i386/pr49095.c scan-assembler-not test[lq]
Confirmed, I have overlooked this failure.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #7 from zhenqiang.chen at linaro dot org ---
Yes. gcc.target/i386/pr49095.c is still FAIL.
I have not found an easy way to fix it. The root cause for the FAIL is that:
A register copy is forwarded by copyprop_hardreg_forward called
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
Uroš Bizjak ubizjak at gmail dot com changed:
What|Removed |Added
Target||i686
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61225
--- Comment #2 from zhenqiang.chen at linaro dot org ---
Patch @r210457 enhances move_insn_for_shrink_wrap to sink more instructions out
of entry block.
For ICE, it tries to sink a SP adjustment instruction. But some useful
information is lost
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