http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538
--- Comment #5 from Jack Howarth 2011-01-30
03:10:37 UTC ---
Interestingly adding all of the options enabled at -O1 to -O0...
-O0 -fcombine-stack-adjustments -fcompare-elim -fcprop-registers -fdefer-pop
-fforward-propagate -fguess-branch-probabi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538
--- Comment #4 from Jack Howarth 2011-01-30
02:07:23 UTC ---
On x86_64-apple-darwin10, the cheb test fails when integ.c is compiled at -O1
at...
gdb ./test
Reason: KERN_INVALID_ADDRESS at address: 0x00010020
0x00012340 in gsl_ch
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538
--- Comment #3 from Jack Howarth 2011-01-30
02:03:17 UTC ---
On x86_64 linux, gsl-1.14/eigen/herm.c is also miscompiled at optimizations
above -O0.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538
--- Comment #2 from Jack Howarth 2011-01-30
01:49:49 UTC ---
Same wrong code generation seen with gcc trunk on x86_64 linux at -O2. On both
x86_64-apple-darwin10 and x86_64 linux, compiling gsl-1.14/cheb/integ.c at -O0
eliminates the make check f
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47538
Jack Howarth changed:
What|Removed |Added
Target||x86_64-apple-darwin10
Known to work|
