| commit | a1da2b135c6432590d657de7761860b8fbddb99c | |
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 26 Jul 2017 19:13:23 +0000 (26 19:13 +0000) | ||
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 26 Jul 2017 19:13:23 +0000 (26 19:13 +0000) | ||
| tree | e0af4bc0092b8bb4f35312a7eba772cf30f8a203 | treesnapshot (tar.gz zip) |
| parent | b11697e626d27059d144c7210021b22987627e77 | commitdiff |
x86: Properly check saved register CFA offset
X86 prologue saves register at CFA offset. Since its location on stack
is computed as CFA - its CFA_OFFSET, CFA_OFFSET points the end of the
saved register area on stack. This patch updates sp_valid_at and
fp_valid_at to properly check saved register CFA offset.
gcc/
PR target/81563
* config/i386/i386.c (sp_valid_at): Properly check CFA offset.
(fp_valid_at): Likewise.
gcc/testsuite/
PR target/81563
* gcc.target/i386/pr81563.c: New test
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@250587 138bc75d-0d04-0410-961f-82ee72b054a4
X86 prologue saves register at CFA offset. Since its location on stack
is computed as CFA - its CFA_OFFSET, CFA_OFFSET points the end of the
saved register area on stack. This patch updates sp_valid_at and
fp_valid_at to properly check saved register CFA offset.
gcc/
PR target/81563
* config/i386/i386.c (sp_valid_at): Properly check CFA offset.
(fp_valid_at): Likewise.
gcc/testsuite/
PR target/81563
* gcc.target/i386/pr81563.c: New test
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@250587 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/config/i386/i386.c | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.target/i386/pr81563.c | [new file with mode: 0644] | blob |