http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #4 from linzj manjian2006 at gmail dot com ---
Further debug show this push op is gen by sched2 pass
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #5 from linzj manjian2006 at gmail dot com ---
No confirm yet!
(In reply to linzj from comment #4)
Further debug show this push op is gen by sched2 pass
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #6 from linzj manjian2006 at gmail dot com ---
The push edx is gen by originally fop_sf_2_i387.
(insn 180 281 288 17 (set (reg:SF 9 st(1) [orig:153 D.227396 ] [153])
(mult:SF (float:SF (reg:SI 1 dx [160]))
(reg:SF
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #7 from linzj manjian2006 at gmail dot com ---
confirm that in csa pass:
(insn 288 281 289 17 (set (mem:SI (pre_dec:SI (reg/f:SI 7 sp)) [0 S4 A8])
(reg:SI 1 dx [160]))
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #8 from linzj manjian2006 at gmail dot com ---
Okay let me sum it up:
at first the code looks like this
call xxx: .cfa 92
float ops
add sp 12 .cfa 80
And then split2 splits the float ops,then it looks like this
call xxx: .cfa 92
push
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #9 from linzj manjian2006 at gmail dot com ---
I have tried to modify i386.c to make
ix86_force_to_memoryix86_free_from_memory to generate frame related insn.That
causes another problem.Seems the only way to go is have a look at jump2.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #10 from linzj manjian2006 at gmail dot com ---
Adding a -fno-crossjumping compile flag stops the assertion.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #1 from linzj manjian2006 at gmail dot com ---
Created attachment 32282
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=32282action=edit
source that causes bug
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #2 from linzj manjian2006 at gmail dot com ---
reedit the cfg.
if (hasRelativeWidth || hasRelativeHeight)
true false
/ \
/\
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60438
--- Comment #3 from linzj manjian2006 at gmail dot com ---
pass 221r.varstack,the pass just before 222r.csa
call_pop insn :
(call_insn:TI 143 141 393 18 (parallel [
(call (mem:QI (mem/f:SI (plus:SI (reg/f:SI 1 dx [orig:126
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