[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 Richard Earnshaw changed: What|Removed |Added Target Milestone|--- |6.3
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 Thomas Preud'homme changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work||6.2.1 Resolution|--- |FIXED Known to fail|6.2.1 |6.2.0 --- Comment #11 from Thomas Preud'homme --- Fixed in all supported version of GCC (GCC 5 does not seem affected).
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 --- Comment #10 from Thomas Preud'homme --- Author: thopre01 Date: Mon Dec 12 10:58:17 2016 New Revision: 243543 URL: https://gcc.gnu.org/viewcvs?rev=243543&root=gcc&view=rev Log: Fix PR77904: callee-saved register trashed when clobbering sp 2016-12-12 Thomas Preud'homme Backport from mainline 2016-11-22 Thomas Preud'homme gcc/ PR target/77904 * config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer in save register mask if it is needed. gcc/testsuite/ PR target/77904 * gcc.target/arm/pr77904.c: New test. Added: branches/gcc-6-branch/gcc/testsuite/gcc.target/arm/pr77904.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/config/arm/arm.c branches/gcc-6-branch/gcc/testsuite/ChangeLog
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 --- Comment #9 from Freddie Chopin --- Any chance for merging the fix to gcc-6 branch before gcc 6.3 would be released?
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 --- Comment #8 from Thomas Preud'homme --- (In reply to Freddie Chopin from comment #7) > Could this be also backported to the gcc-6 branch? I guess there will be 6.3 > version (possibly before first 7.x version), so it would be nice to have > this patch there (; Yes that's planned once the patch has cooked in trunk for at least a week without any report of a regression. Best regards.
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 --- Comment #7 from Freddie Chopin --- Could this be also backported to the gcc-6 branch? I guess there will be 6.3 version (possibly before first 7.x version), so it would be nice to have this patch there (;
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 --- Comment #6 from Thomas Preud'homme --- Author: thopre01 Date: Tue Nov 22 10:57:55 2016 New Revision: 242694 URL: https://gcc.gnu.org/viewcvs?rev=242694&root=gcc&view=rev Log: Fix PR77904: callee-saved register trashed when clobbering sp 2016-11-22 Thomas Preud'homme Backport from mainline 2016-11-22 Thomas Preud'homme gcc/ PR target/77904 * config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer in save register mask if it is needed. gcc/testsuite/ PR target/77904 * gcc.target/arm/pr77904.c: New test. Added: branches/ARM/embedded-6-branch/gcc/testsuite/gcc.target/arm/pr77904.c Modified: branches/ARM/embedded-6-branch/gcc/ChangeLog.arm branches/ARM/embedded-6-branch/gcc/config/arm/arm.c branches/ARM/embedded-6-branch/gcc/testsuite/ChangeLog.arm
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 --- Comment #5 from Thomas Preud'homme --- Author: thopre01 Date: Tue Nov 22 10:44:29 2016 New Revision: 242693 URL: https://gcc.gnu.org/viewcvs?rev=242693&root=gcc&view=rev Log: 2016-11-22 Thomas Preud'homme gcc/ PR target/77904 * config/arm/arm.c (thumb1_compute_save_reg_mask): Mark frame pointer in save register mask if it is needed. gcc/testsuite/ PR target/77904 * gcc.target/arm/pr77904.c: New test. Added: trunk/gcc/testsuite/gcc.target/arm/pr77904.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/arm/arm.c trunk/gcc/testsuite/ChangeLog
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 Thomas Preud'homme changed: What|Removed |Added Keywords||wrong-code Known to fail||6.2.1 --- Comment #4 from Thomas Preud'homme --- Add known fail for older releases and wrong-code tag.
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 Thomas Preud'homme changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |thopre01 at gcc dot gnu.org --- Comment #3 from Thomas Preud'homme --- Working on a patch.
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 Thomas Preud'homme changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|2016-10-10 00:00:00 |2016-10-11 Ever confirmed|0 |1 --- Comment #2 from Thomas Preud'homme --- Changing the status to NEW since bug can be reproduced
[Bug target/77904] [ARM Cortex-M0] Frame pointer thrashes registers if assembly statements with "sp" clobber are used
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77904 Thomas Preud'homme changed: What|Removed |Added Last reconfirmed||2016-10-10 CC||thopre01 at gcc dot gnu.org Known to fail||7.0 --- Comment #1 from Thomas Preud'homme --- I can reproduce the behavior mentioned on trunk.
