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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/m68k/pr36134.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/m68k/pr36134.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/m68k/pr36134.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/m68k/pr36134.c b/gcc-4.9/gcc/testsuite/gcc.target/m68k/pr36134.c new file mode 100644 index 000000000..c91956b5c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/m68k/pr36134.c @@ -0,0 +1,28 @@ +/* pr36134.c + + This test ensures that the shorter LEA instruction is used in preference + to the longer ADD instruction. + + This preference is applicable to ColdFire only. On CPU32, we can + use a sequence of two ADDQ instructions, which is faster than the + LEA instruction. */ + +/* { dg-do compile } */ +/* { dg-skip-if "" { *-*-* } { "-mcpu=*" } { "-mcpu=5208" } } */ +/* { dg-options "-O2 -mcpu=5208" } */ +/* { dg-final { scan-assembler "lea" } } */ +/* { dg-final { scan-assembler-not "add" } } */ + +int *a, *b; + +void +f () +{ + while (a > b) + { + *a++ = *b++; + *a++ = *b++; + *a++ = *b++; + *a++ = *b++; + } +} |