[Bug rtl-optimization/70919] New: wrong code at -O1 on x86_64-linux-gnu in 32-bit mode

2016-05-02 Thread su at cs dot ucdavis.edu
gcc version 7.0.0 20160502 (experimental) [trunk revision 235731] (GCC) $ $ gcc-trunk -m32 -O0 small.c; ./a.out $ gcc-trunk -m64 -O1 small.c; ./a.out $ $ gcc-trunk -m32 -O1 small.c $ ./a.out Aborted (core dumped) $ --- #pragma pack(1) struct S0 { int

[Bug middle-end/70920] New: if ((intptr_t)ptr == 0) doesn't get simplified to if (ptr == 0)

2016-05-02 Thread ppalka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70920 Bug ID: 70920 Summary: if ((intptr_t)ptr == 0) doesn't get simplified to if (ptr == 0) Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug rtl-optimization/70890] [7 regression] r235660 miscompiles stage2 compiler on ia64

2016-05-02 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70890 Alan Modra changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned at g

[Bug tree-optimization/69196] [5/6/7 Regression] code size regression with jump threading at -O2

2016-05-02 Thread sebastian.hu...@embedded-brains.de
. sparc-rtems4.12-gcc --version sparc-rtems4.12-gcc (GCC) 6.1.1 20160502 [gcc-6-branch revision cf53985:351726f:7429c1e9312a17e16f7d5be217ca79b82e56d01b] Copyright (C) 2016 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for

[Bug tree-optimization/70916] [6/7 Regression] gcc ICE at -O3 on valid code on x86_64-linux-gnu in "tree_operand_check"

2016-05-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70916 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/70919] [6/7 Regression] wrong code at -O1 on x86_64-linux-gnu in 32-bit mode

2016-05-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70919 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c/70891] "register name not specified" for const qualified register variable

2016-05-02 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70891 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/70916] [6/7 Regression] gcc ICE at -O3 on valid code on x86_64-linux-gnu in "tree_operand_check"

2016-05-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70916 --- Comment #2 from Jakub Jelinek --- For the ICE the fix is easy: --- tree-vect-patterns.c.jj12016-03-23 10:51:23.0 +0100 +++ tree-vect-patterns.c2016-05-03 08:39:17.779229143 +0200 @@ -3673,8 +3673,10 @@ vect_recog_mask_conv

[Bug rtl-optimization/70890] [7 regression] r235660 miscompiles stage2 compiler on ia64

2016-05-02 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70890 Alan Modra changed: What|Removed |Added Target|ia64-*-*|ia64-*-*, powerpc64-linux Priorit

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