| From 3bc2ee6886f1619bc6a2257a0775142526b1a57a Mon Sep 17 00:00:00 2001 |
| From: jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4> |
| Date: Mon, 11 Sep 2017 21:53:38 +0000 |
| Subject: [PATCH] xtensa: fix PR target/82181 |
| |
| 2017-09-11 Max Filippov <jcmvbkbc@gmail.com> |
| gcc/ |
| Backport from mainline |
| * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both |
| words of DImode object are reachable by xtensa_uimm8x4 access. |
| |
| Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> |
| --- |
| gcc/config/xtensa/xtensa.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c |
| index 2bdf5ccef979..92fdeb08046d 100644 |
| --- a/gcc/config/xtensa/xtensa.c |
| +++ b/gcc/config/xtensa/xtensa.c |
| @@ -601,6 +601,7 @@ xtensa_mem_offset (unsigned v, machine_mode mode) |
| case HImode: |
| return xtensa_uimm8x2 (v); |
| |
| + case DImode: |
| case DFmode: |
| return (xtensa_uimm8x4 (v) && xtensa_uimm8x4 (v + 4)); |
| |
| -- |
| 2.1.4 |
| |
