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| author | Richard Stallman <rms@gnu.org> | 1992-11-09 20:07:35 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-11-09 20:07:35 +0000 |
| commit | 34536f93eb929d873f56f852c53fa9f0dfc290c6 (patch) | |
| tree | 06d7bab74438525a186eec6837d7829c5a3562a1 | |
| parent | 885cde0193d3077ef645f8852f248df4196511ba (diff) | |
| download | gcc-34536f93eb929d873f56f852c53fa9f0dfc290c6.zip gcc-34536f93eb929d873f56f852c53fa9f0dfc290c6.tar.gz gcc-34536f93eb929d873f56f852c53fa9f0dfc290c6.tar.bz2 | |
(save_call_clobbered_regs): Ensure any insns we add
are in the same basic block as the insn we added them for.
From-SVN: r2726
| -rw-r--r-- | gcc/caller-save.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/caller-save.c b/gcc/caller-save.c index 4c92159..f77eda9 100644 --- a/gcc/caller-save.c +++ b/gcc/caller-save.c @@ -374,6 +374,7 @@ save_call_clobbered_regs (insn_mode) for (b = 0; b < n_basic_blocks; b++) { regset regs_live = basic_block_live_at_start[b]; + rtx prev_block_last = PREV_INSN (basic_block_head[b]); REGSET_ELT_TYPE bit; int offset, i, j; int regno; @@ -490,6 +491,9 @@ save_call_clobbered_regs (insn_mode) ? insn : NEXT_INSN (insn)), 0, regno, insn_mode, MOVE_MAX / UNITS_PER_WORD); + /* If we added any insns at the start of the block, update the start + of the block to point at those insns. */ + basic_block_head[b] = NEXT_INSN (prev_block_last); } } |