diff options
| author | Vladimir Makarov <vmakarov@redhat.com> | 2018-03-23 19:31:00 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2018-03-23 19:31:00 +0000 |
| commit | a426543a1f31388186edb92036a87032c66bcd17 (patch) | |
| tree | 93bc61e8a59ad00fb88c653ae63c761dcbe19d30 /gcc/lra-constraints.c | |
| parent | 63028caaeb63f5a3fa1dcabaae10fe5902a39048 (diff) | |
| download | gcc-a426543a1f31388186edb92036a87032c66bcd17.zip gcc-a426543a1f31388186edb92036a87032c66bcd17.tar.gz gcc-a426543a1f31388186edb92036a87032c66bcd17.tar.bz2 | |
re PR inline-asm/85030 (internal compiler error: Floating point exception (validate_subreg()))
2018-03-23 Vladimir Makarov <vmakarov@redhat.com>
PR inline-asm/85030
* lra-constraints.c (process_alt_operands): Don't match BLKmode
and non BLKmode operands.
2018-03-23 Vladimir Makarov <vmakarov@redhat.com>
PR inline-asm/85030
* testsuite/gcc.target/i386/pr85030.c: New.
From-SVN: r258820
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 31faefa..0dd4787 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -2118,6 +2118,14 @@ process_alt_operands (int only_alternative) GET_MODE_SIZE (biggest_mode[nop]))) break; + /* Don't match wrong asm insn operands for proper + diagnostic later. */ + if (INSN_CODE (curr_insn) < 0 + && (curr_operand_mode[m] == BLKmode + || curr_operand_mode[nop] == BLKmode) + && curr_operand_mode[m] != curr_operand_mode[nop]) + break; + this_alternative_matches = m; m_hregno = get_hard_regno (*curr_id->operand_loc[m], false); /* We are supposed to match a previous operand. |