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| author | Kwok Cheung Yeung <kcy@codesourcery.com> | 2019-11-14 23:37:13 +0000 |
|---|---|---|
| committer | Kwok Cheung Yeung <kcy@gcc.gnu.org> | 2019-11-14 23:37:13 +0000 |
| commit | 1a4ec3250596b03e1b2edcfbc9d903c1f189f077 (patch) | |
| tree | e398cece2b071a15efc81d1904e88af445b4bac3 | |
| parent | f674b4a72ad737d04807cd3d6c8270acba2e460b (diff) | |
| download | gcc-1a4ec3250596b03e1b2edcfbc9d903c1f189f077.zip gcc-1a4ec3250596b03e1b2edcfbc9d903c1f189f077.tar.gz gcc-1a4ec3250596b03e1b2edcfbc9d903c1f189f077.tar.bz2 | |
Check suitability of spill register for mode
2019-11-14 Kwok Cheung Yeung <kcy@codesourcery.com>
gcc/
* lra-spills.c (assign_spill_hard_regs): Check that the spill
register is suitable for the mode.
From-SVN: r278267
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/lra-spills.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 240bda5..a811edb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-11-14 Kwok Cheung Yeung <kcy@codesourcery.com> + + * lra-spills.c (assign_spill_hard_regs): Check that the spill + register is suitable for the mode. + 2019-11-14 Andrew MacLeod <amacleod@redhat.com> * range-op.h (range_operator::fold_range): Return a bool. diff --git a/gcc/lra-spills.c b/gcc/lra-spills.c index 54f76cc..8fbd3a8 100644 --- a/gcc/lra-spills.c +++ b/gcc/lra-spills.c @@ -283,7 +283,8 @@ assign_spill_hard_regs (int *pseudo_regnos, int n) for (k = 0; k < spill_class_size; k++) { hard_regno = ira_class_hard_regs[spill_class][k]; - if (TEST_HARD_REG_BIT (eliminable_regset, hard_regno)) + if (TEST_HARD_REG_BIT (eliminable_regset, hard_regno) + || !targetm.hard_regno_mode_ok (hard_regno, mode)) continue; if (! overlaps_hard_reg_set_p (conflict_hard_regs, mode, hard_regno)) break; |