[Bug c/56143] Incorrect code generation with -O0 in x86_64

2013-01-29 Thread pinskia at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56143 Andrew Pinski pinskia at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED

[Bug c/56143] Incorrect code generation with -O0 in x86_64

2013-01-29 Thread pinskia at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56143 --- Comment #2 from Andrew Pinski pinskia at gcc dot gnu.org 2013-01-30 02:11:46 UTC --- (In reply to comment #1) *_jit-pc.ui++ = i0 - (_jit-pc.w + 4); You have a sequence point issue. This is like doing: *i++ = i0 - (i + 4);

[Bug c/56143] Incorrect code generation with -O0 in x86_64

2013-01-29 Thread pcpa at mandriva dot com.br
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56143 --- Comment #3 from Paulo César Pereira de Andrade pcpa at mandriva dot com.br 2013-01-30 02:19:09 UTC --- (In reply to comment #1) *_jit-pc.ui++ = i0 - (_jit-pc.w + 4); You have a sequence point issue. This is like doing: *i++ = i0 - (i +