[Bug c/53362] New: gcc 4.7 generates invalid code with -O3 and -mtune=bdver2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53362 Bug #: 53362 Summary: gcc 4.7 generates invalid code with -O3 and -mtune=bdver2 Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED

[Bug target/53362] gcc 4.7 generates invalid code with -O3 and -mtune=bdver2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53362 --- Comment #2 from Valerio Aimale 2012-05-15 18:07:01 UTC --- Andrew, thank you for your email. I'll extract some code from the R code base and generate a test case. Valerio On 5/15/12 11:43 AM, pinskia at gcc dot gnu.org wrote: > http://gcc

[Bug target/53362] gcc 4.7 generates invalid code with -O3 and -mtune=bdver2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53362 --- Comment #3 from Valerio Aimale 2012-05-15 22:13:47 UTC --- First of all, I made a mistake. The FX-8150 (which is family 14h) requires -march=bdver1 not bdver2. The SIGSEGV, however, happens even with bdver1 To reproduce, compile R with CC=g

[Bug target/53362] gcc 4.7 generates invalid code with -O3 and -mtune=bdver2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53362 --- Comment #4 from Valerio Aimale 2012-05-15 22:15:19 UTC --- On 5/15/12 11:43 AM, pinskia at gcc dot gnu.org wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53362 > > Andrew Pinski changed: > > What|Removed