diff options
Diffstat (limited to 'gcc/config/cris/cris.h')
-rw-r--r-- | gcc/config/cris/cris.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/gcc/config/cris/cris.h b/gcc/config/cris/cris.h index 586f7ff2077..0fea7d77b39 100644 --- a/gcc/config/cris/cris.h +++ b/gcc/config/cris/cris.h @@ -630,12 +630,17 @@ enum reg_class ? GENERAL_REGS : (CLASS)) /* We can't move special registers to and from memory in smaller than - word_mode. */ -#define SECONDARY_RELOAD_CLASS(CLASS, MODE, X) \ - (((CLASS) != SPECIAL_REGS && (CLASS) != MOF_REGS) \ - || GET_MODE_SIZE (MODE) == 4 \ - || !MEM_P (X) \ - ? NO_REGS : GENERAL_REGS) + word_mode. We also can't move between special registers. Luckily, + -1, as returned by true_regnum for non-sub/registers, is valid as a + parameter to our REGNO_REG_CLASS, returning GENERAL_REGS, so we get + the effect that any X that isn't a special-register is treated as + a non-empty intersection with GENERAL_REGS. */ +#define SECONDARY_RELOAD_CLASS(CLASS, MODE, X) \ + ((((CLASS) == SPECIAL_REGS || (CLASS) == MOF_REGS) \ + && ((GET_MODE_SIZE (MODE) < 4 && MEM_P (X)) \ + || !reg_classes_intersect_p (REGNO_REG_CLASS (true_regnum (X)), \ + GENERAL_REGS))) \ + ? GENERAL_REGS : NO_REGS) /* FIXME: Fix regrename.c; it should check validity of replacements, not just with a silly pass-specific macro. We may miss some @@ -901,14 +906,8 @@ struct cum_args {int regs;}; /* Node: Scalar Return */ -/* Let's assume all functions return in r[CRIS_FIRST_ARG_REG] for the - time being. */ -#define FUNCTION_VALUE(VALTYPE, FUNC) \ - gen_rtx_REG (TYPE_MODE (VALTYPE), CRIS_FIRST_ARG_REG) +#define FUNCTION_VALUE_REGNO_P(N) cris_function_value_regno_p (N) -#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, CRIS_FIRST_ARG_REG) - -#define FUNCTION_VALUE_REGNO_P(N) ((N) == CRIS_FIRST_ARG_REG) /* Node: Aggregate Return */ |