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| author | Max Filippov <jcmvbkbc@gmail.com> | 2018-09-04 17:43:20 +0000 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gcc.gnu.org> | 2018-09-04 17:43:20 +0000 |
| commit | 2a17b2397059117b7334e2e569971a3bc5731abb (patch) | |
| tree | 97b52214aaa5f8ef68ca90e4dee82fbd0ac5295a /gcc | |
| parent | 0bdb34b4c920602acdbcdefee4550abe9a6e0566 (diff) | |
| download | gcc-2a17b2397059117b7334e2e569971a3bc5731abb.zip gcc-2a17b2397059117b7334e2e569971a3bc5731abb.tar.gz gcc-2a17b2397059117b7334e2e569971a3bc5731abb.tar.bz2 | |
gcc: xtensa: fix NAND code in xtensa_expand_atomic
NAND is ~(a1 & a2), but xtensa_expand_atomic does ~a1 & a2.
That fixes libatomic tests atomic-op-{1,2}.
gcc/
2018-09-04 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and
XOR operations in NAND case.
From-SVN: r264087
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/xtensa/xtensa.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9b0d2d1..2b4c04b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-09-04 Max Filippov <jcmvbkbc@gmail.com> + + * config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and + XOR operations in NAND case. + 2018-09-04 Aldy Hernandez <aldyh@redhat.com> * wide-int-range.cc (wide_int_range_convert): New. diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c index 7cfe64d..080bb4a 100644 --- a/gcc/config/xtensa/xtensa.c +++ b/gcc/config/xtensa/xtensa.c @@ -1614,9 +1614,9 @@ xtensa_expand_atomic (enum rtx_code code, rtx target, rtx mem, rtx val, break; case MULT: /* NAND */ - tmp = expand_simple_binop (SImode, XOR, old, ac.modemask, + tmp = expand_simple_binop (SImode, AND, old, val, NULL_RTX, 1, OPTAB_DIRECT); - tmp = expand_simple_binop (SImode, AND, tmp, val, + tmp = expand_simple_binop (SImode, XOR, tmp, ac.modemask, new_rtx, 1, OPTAB_DIRECT); break; |