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| author | Jakub Jelinek <jakub@redhat.com> | 2011-11-30 23:00:28 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-11-30 23:00:28 +0100 |
| commit | 5c43016f2d1bdbf9ac2be60fcec6209d4f12416e (patch) | |
| tree | e9143362523d9ba8243ee089723d2b1ee9ef5754 /gcc/function.c | |
| parent | 336ead04abf0b0cf45dbcc1172e35330a5fded40 (diff) | |
| download | gcc-5c43016f2d1bdbf9ac2be60fcec6209d4f12416e.zip gcc-5c43016f2d1bdbf9ac2be60fcec6209d4f12416e.tar.gz gcc-5c43016f2d1bdbf9ac2be60fcec6209d4f12416e.tar.bz2 | |
re PR target/50725 (-O3 -mstackrealign -march=core2 generates invalid prologue code in callee procedure)
PR target/50725
* function.c (thread_prologue_and_epilogue_insns): If
stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE
regset.
* gcc.target/i386/pr50725.c: New test.
From-SVN: r181860
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/function.c b/gcc/function.c index 6cf67c0..fa9236c 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5893,6 +5893,9 @@ thread_prologue_and_epilogue_insns (void) if (pic_offset_table_rtx) add_to_hard_reg_set (&set_up_by_prologue, Pmode, PIC_OFFSET_TABLE_REGNUM); + if (stack_realign_drap && crtl->drap_reg) + add_to_hard_reg_set (&set_up_by_prologue, GET_MODE (crtl->drap_reg), + REGNO (crtl->drap_reg)); /* We don't use a different max size depending on optimize_bb_for_speed_p because increasing shrink-wrapping |