diff options
Diffstat (limited to 'gcc/config/pa/pa.h')
| -rw-r--r-- | gcc/config/pa/pa.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h index b83630fba32..3db2d33a0cf 100644 --- a/gcc/config/pa/pa.h +++ b/gcc/config/pa/pa.h @@ -541,14 +541,15 @@ extern struct rtx_def *hppa_pic_save_rtx (void); reg_classes_intersect_p ((CLASS), FP_REGS) /* On the PA it is not possible to directly move data between - GENERAL_REGS and FP_REGS. */ -#define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) \ - (MAYBE_FP_REG_CLASS_P (CLASS1) != FP_REG_CLASS_P (CLASS2) \ - || MAYBE_FP_REG_CLASS_P (CLASS2) != FP_REG_CLASS_P (CLASS1)) - -/* Return the stack location to use for secondary memory needed reloads. */ -#define SECONDARY_MEMORY_NEEDED_RTX(MODE) \ - gen_rtx_MEM (MODE, gen_rtx_PLUS (Pmode, stack_pointer_rtx, GEN_INT (-16))) + GENERAL_REGS and FP_REGS. On the 32-bit port, we use the + location at SP-16. We don't expose this location in the RTL to + avoid scheduling related problems. For example, the store and + load could be separated by a call to a pure or const function + which has no frame and uses SP-16. */ +#define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) \ + (TARGET_64BIT \ + && (MAYBE_FP_REG_CLASS_P (CLASS1) != FP_REG_CLASS_P (CLASS2) \ + || MAYBE_FP_REG_CLASS_P (CLASS2) != FP_REG_CLASS_P (CLASS1))) /* Stack layout; function entry, exit and calling. */ |