diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-27 22:16:20 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-27 22:16:20 +0000 |
| commit | 0814fb519110120ae530ab3c5cad3f9db97d2bda (patch) | |
| tree | 66bd365666d5402108b000c5165337152aac93ff /gcc/optabs.c | |
| parent | 06f08bd2bbb17d840a54276b3682bf93bb78d540 (diff) | |
| download | gcc-0814fb519110120ae530ab3c5cad3f9db97d2bda.tar.gz | |
* optabs.c (emit_no_conflict_block, emit_libcall_block): Avoid nesting
of libcall regions.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51477 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index 2abf67359c4..86c20b08d81 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -2739,11 +2739,18 @@ emit_no_conflict_block (insns, target, op0, op1, equiv) these from the list. */ for (insn = insns; insn; insn = next) { - rtx set = 0; + rtx set = 0, note; int i; next = NEXT_INSN (insn); + /* Some ports (cris) create an libcall regions at their own. We must + avoid any potential nesting of LIBCALLs. */ + if ((note = find_reg_note (insn, REG_LIBCALL, NULL)) != NULL) + remove_note (insn, note); + if ((note = find_reg_note (insn, REG_RETVAL, NULL)) != NULL) + remove_note (insn, note); + if (GET_CODE (PATTERN (insn)) == SET || GET_CODE (PATTERN (insn)) == USE || GET_CODE (PATTERN (insn)) == CLOBBER) set = PATTERN (insn); @@ -2906,6 +2913,14 @@ emit_libcall_block (insns, target, result, equiv) for (insn = insns; insn; insn = next) { rtx set = single_set (insn); + rtx note; + + /* Some ports (cris) create an libcall regions at their own. We must + avoid any potential nesting of LIBCALLs. */ + if ((note = find_reg_note (insn, REG_LIBCALL, NULL)) != NULL) + remove_note (insn, note); + if ((note = find_reg_note (insn, REG_RETVAL, NULL)) != NULL) + remove_note (insn, note); next = NEXT_INSN (insn); |