diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/pcrel-opt-di2.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/powerpc/pcrel-opt-di2.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/pcrel-opt-di2.c b/gcc/testsuite/gcc.target/powerpc/pcrel-opt-di2.c index e69de29bb2d..19204e2a332 100644 --- a/gcc/testsuite/gcc.target/powerpc/pcrel-opt-di2.c +++ b/gcc/testsuite/gcc.target/powerpc/pcrel-opt-di2.c @@ -0,0 +1,56 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target powerpc_elfv2 } */ +/* { dg-require-effective-target powerpc_future_ok } */ +/* { dg-options "-mdejagnu-cpu=future -O2" } */ + +/* Determine if the pc-relative optimization using the R_PPC64_PCREL_OPT + optimization is supported. */ + +#ifndef TYPE +#define TYPE long +#endif + +#ifndef OFFSET +#define OFFSET 10 +#endif + +extern TYPE ext[]; + +/* This should generate: + PLD 9,ext@got@pcrel + .Label: + .reloc .Label-8,R_PPC64_PCREL_OPT,0 + LD 3,80(9) */ +TYPE +get_ext (void) +{ + return ext[OFFSET]; +} + +/* This should generate: + PLD 9,ext@got@pcrel + .Label: + .reloc .Label-8,R_PPC64_PCREL_OPT,0 + STD 3,80(9) */ + +void +set_ext (TYPE a) +{ + ext[OFFSET] = a; +} + +/* Because it has two references to 'ext', this should not generate a + R_PPC64_PCREL_OPT relocation. Instead it should generate: + PLD 10,ext@got@pcrel + LD 9,80(10) + ADDI 9,9,1 + STD 9,80(10) */ + +void +inc_ext (void) +{ + (ext[OFFSET])++; +} + +/* { dg-final { scan-assembler-times "ext@got@pcrel" 3 } } */ +/* { dg-final { scan-assembler-times "R_PPC64_PCREL_OPT" 2 } } */ |