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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/arm/thumb2-mul-speed.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/arm/thumb2-mul-speed.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/arm/thumb2-mul-speed.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/arm/thumb2-mul-speed.c b/gcc-4.9/gcc/testsuite/gcc.target/arm/thumb2-mul-speed.c new file mode 100644 index 000000000..03cccdb65 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/arm/thumb2-mul-speed.c @@ -0,0 +1,27 @@ +/* Do not use 16-bit multiply instructions in Thumb-2 mode when + optimizing for speed. */ +/* { dg-options "-mthumb -O2" } */ +/* { dg-require-effective-target arm_thumb2_ok } */ +/* { dg-final { scan-assembler-not "muls" } } */ + +int f(int i, int j) +{ + return i * j; +} + +int x; + +void g(int i, int j) +{ + if (i * j < 0) + x = 1; +} + +int h(int i, int j) +{ + i = i * j; + if (i < 0) + x = 1; + return i; +} + |