[Bug target/56439] global and local register variables don't work in a useful way -- AVR

2013-02-24 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56439 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com

[Bug target/56439] global and local register variables don't work in a useful way -- AVR

2013-02-25 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56439 --- Comment #7 from Chung-Ju Wu 2013-02-26 03:30:40 UTC --- Sorry I didn't notice that it is 8-bit register on avr. I was porting a 32-bit register target and this case is similar to mine. That's why I have such guess in comment 5. No

[Bug c/56465] Strange warning about variable modified range

2013-02-28 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56465 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com

[Bug c/56600] loop goes indefinite when non-loop integer variable overflows

2013-03-16 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56600 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com

[Bug c++/56815] void pointer arithmetic

2013-04-02 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56815 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com

[Bug c++/56815] void pointer arithmetic

2013-04-03 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56815 --- Comment #6 from Chung-Ju Wu 2013-04-03 07:33:03 UTC --- (In reply to comment #5) > (In reply to comment #4) > > From gcc manpage, the option '-std=' specifies base standard and > > accept some GNU extensions that do not contradict it.

[Bug other/56881] Miscompilation (optimisation failure?) causing NULL dereference and segfault at runtime

2013-04-09 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56881 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com

[Bug c/56956] ftrapv traps on valid abs-like code

2013-04-14 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56956 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com

[Bug c/56956] ftrapv traps on valid abs-like code

2013-04-14 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56956 --- Comment #4 from Chung-Ju Wu 2013-04-15 04:18:13 UTC --- (In reply to comment #2) > (In reply to comment #1) > > I think 'x' can not present negative value. > > The unary minus operator is defined for unsigned types. It doesn't produ

[Bug c/57201] Using --save-temps affects whether warning is printed

2013-05-08 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57201 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com --- Comment #10

[Bug rtl-optimization/57231] Hoist zero-extend operations when possible

2013-05-10 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57231 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com --- Comment #2

[Bug target/57377] compiler cannot be built with RTL checking

2013-05-24 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57377 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com --- Comment #1

[Bug preprocessor/57580] Repeated _Pragma message directives in macro causes problems

2013-06-13 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57580 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com --- Comment #2

[Bug c/7652] -Wswitch-break : Warn if a switch case falls through

2013-06-23 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7652 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com --- Comment #19

[Bug target/55033] [4.7/4.8/4.9 Regression] PowerPC section type conflict error

2013-07-01 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55033 --- Comment #11 from Chung-Ju Wu --- (In reply to Segher Boessenkool from comment #10) > The testcase needs to add -meabi to fix #8. > > Wrt #9: it seems you only tested 64-bit mode, -meabi is supported > only in 32-bit mode. Sebastian provided

[Bug c/57821] 'array is too large' error is missing when sizetype overflows

2013-07-24 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57821 --- Comment #4 from Chung-Ju Wu --- (In reply to John David Anglin from comment #3) > On 32-bit hppa-unknown-linux-gnu: > > Executing on host: /home/dave/gnu/gcc/objdir/gcc/xgcc > -B/home/dave/gnu/gcc/objdi > r/gcc/ /home/dave/gnu/gcc/gcc/gcc/tes

[Bug c/57821] 'array is too large' error is missing when sizetype overflows

2013-07-24 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57821 --- Comment #5 from Chung-Ju Wu --- (In reply to Chung-Ju Wu from comment #4) > (In reply to John David Anglin from comment #3) > > On 32-bit hppa-unknown-linux-gnu: > > [...] > > Same issue on my 32-bit nds32le-elf target: > > Executing on hos

[Bug c/57821] 'array is too large' error is missing when sizetype overflows

2013-07-24 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57821 --- Comment #6 from Chung-Ju Wu --- (In reply to Chung-Ju Wu from comment #4) > (In reply to John David Anglin from comment #3) > > On 32-bit hppa-unknown-linux-gnu: > > > Same issue on my 32-bit nds32le-elf target: > Interesting. With our tar

[Bug rtl-optimization/58295] [4.8/4.9 regression] Missed zero-extension elimination in the combiner

2013-09-06 Thread jasonwucj at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58295 Chung-Ju Wu changed: What|Removed |Added CC||jasonwucj at gmail dot com --- Comment #2