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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-1.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-1.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-1.c b/gcc-4.9/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-1.c new file mode 100644 index 000000000..b5ffd0aeb --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-1.c @@ -0,0 +1,45 @@ +/* { dg-options "-mabi=64 -mr10k-cache-barrier=store" } */ + +/* Test that stores to uncached addresses do not get unnecessary + cache barriers. */ + +#define TEST(ADDR) \ + NOMIPS16 void \ + test_##ADDR (int n) \ + { \ + while (n--) \ + { \ + *(volatile char *) (0x##ADDR##UL) = 1; \ + *(volatile short *) (0x##ADDR##UL + 2) = 2; \ + *(volatile int *) (0x##ADDR##UL + 4) = 0; \ + } \ + } + +TEST (9000000000000000) +TEST (900000fffffffff8) + +TEST (9200000000000000) +TEST (920000fffffffff8) + +TEST (9400000000000000) +TEST (940000fffffffff8) + +TEST (9600000000000000) +TEST (960000fffffffff8) + +TEST (b800000000000000) +TEST (b80000fffffffff8) + +TEST (ba00000000000000) +TEST (ba0000fffffffff8) + +TEST (bc00000000000000) +TEST (bc0000fffffffff8) + +TEST (be00000000000000) +TEST (be0000fffffffff8) + +TEST (ffffffffa0000000) +TEST (ffffffffbffffff8) + +/* { dg-final { scan-assembler-not "\tcache\t" } } */ |