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| author | Vladimir N. Makarov <vmakarov@redhat.com> | 2020-11-18 10:07:56 -0500 |
|---|---|---|
| committer | Vladimir N. Makarov <vmakarov@redhat.com> | 2020-11-18 10:11:33 -0500 |
| commit | 2f2709e691148160e4f88090eaf48d3e4915b0e4 (patch) | |
| tree | b1e745d915941a53d47cfbc001a3bbefe4884480 | |
| parent | cb1a4876a0e724ca3962ec14dce9e7819fa72ea5 (diff) | |
| download | gcc-2f2709e691148160e4f88090eaf48d3e4915b0e4.zip gcc-2f2709e691148160e4f88090eaf48d3e4915b0e4.tar.gz gcc-2f2709e691148160e4f88090eaf48d3e4915b0e4.tar.bz2 | |
[PR97870] LRA: don't remove asm goto, just nullify it.
gcc/
2020-11-18 Vladimir Makarov <vmakarov@redhat.com>
PR target/97870
* lra-constraints.c (curr_insn_transform): Do not delete asm goto
with wrong constraints. Nullify it saving CFG.
| -rw-r--r-- | gcc/lra-constraints.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index f034c77..80ca1e0 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -4104,9 +4104,18 @@ curr_insn_transform (bool check_only_p) error_for_asm (curr_insn, "inconsistent operand constraints in an %<asm%>"); lra_asm_error_p = true; - /* Avoid further trouble with this insn. Don't generate use - pattern here as we could use the insn SP offset. */ - lra_set_insn_deleted (curr_insn); + if (! JUMP_P (curr_insn)) + { + /* Avoid further trouble with this insn. Don't generate use + pattern here as we could use the insn SP offset. */ + lra_set_insn_deleted (curr_insn); + } + else + { + lra_invalidate_insn_data (curr_insn); + ira_nullify_asm_goto (curr_insn); + lra_update_insn_regno_info (curr_insn); + } return true; } |