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author | H.J. Lu <hjl.tools@gmail.com> | 2021-11-15 05:17:55 -0800 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2021-11-15 05:41:54 -0800 |
commit | 650108971b88f8c2484e07139c294912222f9e05 (patch) | |
tree | adc1d44fe9f421e46d9170e46f23c95ec6830016 /gcc | |
parent | 7d768a9d6fff1605b1cc9919528a5d224441d450 (diff) | |
download | gcc-650108971b88f8c2484e07139c294912222f9e05.zip gcc-650108971b88f8c2484e07139c294912222f9e05.tar.gz gcc-650108971b88f8c2484e07139c294912222f9e05.tar.bz2 |
x86: Add gcc.target/i386/pr103205-2.c
PR target/103205
* gcc.target/i386/pr103205-2.c: New test.
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/pr103205-2.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr103205-2.c b/gcc/testsuite/gcc.target/i386/pr103205-2.c new file mode 100644 index 0000000..705081e --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr103205-2.c @@ -0,0 +1,46 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mtune-ctrl=^himode_math" } */ + +extern short foo; +extern unsigned short bar; + +int +foo1 (void) +{ + return __sync_fetch_and_and (&foo, ~1) & 1; +} + +int +foo2 (void) +{ + return __sync_fetch_and_or (&foo, 1) & 1; +} + +int +foo3 (void) +{ + return __sync_fetch_and_xor (&foo, 1) & 1; +} + +unsigned short +bar1 (void) +{ + return __sync_fetch_and_and (&bar, ~1) & 1; +} + +unsigned short +bar2 (void) +{ + return __sync_fetch_and_or (&bar, 1) & 1; +} + +unsigned short +bar3 (void) +{ + return __sync_fetch_and_xor (&bar, 1) & 1; +} + +/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btrw" 2 } } */ +/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btsw" 2 } } */ +/* { dg-final { scan-assembler-times "lock;?\[ \t\]*btcw" 2 } } */ +/* { dg-final { scan-assembler-not "cmpxchgw" } } */ |