diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/arm/scd42-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/scd42-3.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/arm/scd42-3.c b/gcc/testsuite/gcc.target/arm/scd42-3.c new file mode 100644 index 000000000..eb90e43c4 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/scd42-3.c @@ -0,0 +1,17 @@ +/* Verify that ldr is preferred on XScale for loading a 3 or 4 byte constant. */ +/* { dg-do compile } */ +/* { dg-skip-if "Test is specific to Xscale" { arm*-*-* } { "-march=*" } { "-march=xscale" } } */ +/* { dg-skip-if "Test is specific to Xscale" { arm*-*-* } { "-mcpu=*" } { "-mcpu=xscale" } } */ +/* { dg-options "-mcpu=xscale -O" } */ + +unsigned load4(void) __attribute__ ((naked)); +unsigned load4(void) +{ + /* Best code would be: + ldr r0, =65809 + mov pc, lr */ + + return 65809; +} + +/* { dg-final { scan-assembler "ldr\[ ].*" } } */ |