diff options
| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2015-11-06 12:04:15 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2015-11-06 12:04:15 +0000 |
| commit | c9aa6b940fb8c010ffbba8a6a2eb3ce1de21389f (patch) | |
| tree | abfaa95dcf19408483ccfe4f9c380784daa56057 /gcc/config/arm | |
| parent | 66c5c67baffb2fa9fd9085c01f2811b07f0f7f60 (diff) | |
| download | gcc-c9aa6b940fb8c010ffbba8a6a2eb3ce1de21389f.zip gcc-c9aa6b940fb8c010ffbba8a6a2eb3ce1de21389f.tar.gz gcc-c9aa6b940fb8c010ffbba8a6a2eb3ce1de21389f.tar.bz2 | |
[ARM/AArch64] PR 68088: Fix RTL checking ICE due to subregs inside accumulator forwarding check
PR target/68088
* config/arm/aarch-common.c (aarch_accumulator_forwarding): Strip
subregs from accumulator and make sure it's a register.
* gcc.dg/pr68088_1.c: New test.
From-SVN: r229845
Diffstat (limited to 'gcc/config/arm')
| -rw-r--r-- | gcc/config/arm/aarch-common.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/config/arm/aarch-common.c b/gcc/config/arm/aarch-common.c index a940a02..e6668d5 100644 --- a/gcc/config/arm/aarch-common.c +++ b/gcc/config/arm/aarch-common.c @@ -460,6 +460,12 @@ aarch_accumulator_forwarding (rtx_insn *producer, rtx_insn *consumer) return 0; } + if (GET_CODE (accumulator) == SUBREG) + accumulator = SUBREG_REG (accumulator); + + if (!REG_P (accumulator)) + return 0; + return (REGNO (dest) == REGNO (accumulator)); } |