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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/reload1.c | 14 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5d8aeff..835c93d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2006-09-19 Steven Bosscher <steven@gcc.gnu.org> + + PR rtl-optimization/21299 + * reload1.c (reload): Purge invalid ASMs in the final pass. + 2006-09-19 Steve Ellcey <sje@cup.hp.com> PR 28490 diff --git a/gcc/reload1.c b/gcc/reload1.c index 04f6448..58f77cb 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -1167,6 +1167,20 @@ reload (rtx first, int global) { rtx *pnote; + /* Clean up invalid ASMs so that they don't confuse later passes. + See PR 21299. */ + if (asm_noperands (PATTERN (insn)) >= 0) + { + extract_insn (insn); + if (!constrain_operands (1)) + { + error_for_asm (insn, + "%<asm%> operand has impossible constraints"); + delete_insn (insn); + continue; + } + } + if (CALL_P (insn)) replace_pseudos_in (& CALL_INSN_FUNCTION_USAGE (insn), VOIDmode, CALL_INSN_FUNCTION_USAGE (insn)); |