diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/arm/scd42-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/scd42-1.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/arm/scd42-1.c b/gcc/testsuite/gcc.target/arm/scd42-1.c new file mode 100644 index 000000000..2cd1eeb8f --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/scd42-1.c @@ -0,0 +1,16 @@ +/* Verify that mov is preferred on XScale for loading a 1 byte constant. */ +/* { dg-do compile } */ +/* { dg-skip-if "incompatible options" { arm*-*-* } { "-march=*" } { "" } } */ +/* { dg-options "-mcpu=xscale -O" } */ + +unsigned load1(void) __attribute__ ((naked)); +unsigned load1(void) +{ + /* Best code would be: + mov r0, =17 + mov pc, lr */ + + return 17; +} + +/* { dg-final { scan-assembler "mov\[ ].*17" } } */ |