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| author | Eric Botcazou <ebotcazou@adacore.com> | 2017-07-16 22:03:54 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-07-16 22:03:54 +0000 |
| commit | 38f638cae20c53258854054bfc09f489c01ffe94 (patch) | |
| tree | c49cf2dcd3b1df898c4e6bcf2bd73d2babd4798c /gcc/optabs.c | |
| parent | 1234ee19c9a7b175c154f987d3089d669d17501a (diff) | |
| download | gcc-38f638cae20c53258854054bfc09f489c01ffe94.zip gcc-38f638cae20c53258854054bfc09f489c01ffe94.tar.gz gcc-38f638cae20c53258854054bfc09f489c01ffe94.tar.bz2 | |
re PR rtl-optimization/81424 (internal error on GPRbuild with -O2)
PR rtl-optimization/81424
* optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
to remove potential trapping from operands if -fnon-call-exceptions.
From-SVN: r250246
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index 3905132..9258e5f 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -3846,9 +3846,9 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size, if (cfun->can_throw_non_call_exceptions) { if (may_trap_p (x)) - x = force_reg (mode, x); + x = copy_to_reg (x); if (may_trap_p (y)) - y = force_reg (mode, y); + y = copy_to_reg (y); } if (GET_MODE_CLASS (mode) == MODE_CC) |