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| author | aesok <aesok@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-10-05 19:38:27 +0000 |
|---|---|---|
| committer | aesok <aesok@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-10-05 19:38:27 +0000 |
| commit | dd6b3fc939da6bb4ba17fa86d2a45bf0585dc493 (patch) | |
| tree | f7f5aab59147443bd38a91a80e1495756a1c078d /gcc/config/m68hc11/m68hc11.c | |
| parent | 06517bd4d841ffa7c8ebb91aeb4dfe1ddc9eba60 (diff) | |
| download | gcc-dd6b3fc939da6bb4ba17fa86d2a45bf0585dc493.tar.gz | |
* config/m68hc11/m68hc11.h (CLASS_LIKELY_SPILLED_P): Remove.
* config/m68hc11/m68hc11.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
(m68hc11_class_likely_spilled_p): New function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165000 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/m68hc11/m68hc11.c')
| -rw-r--r-- | gcc/config/m68hc11/m68hc11.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/config/m68hc11/m68hc11.c b/gcc/config/m68hc11/m68hc11.c index ea60db6a35c..bf9c26cbbef 100644 --- a/gcc/config/m68hc11/m68hc11.c +++ b/gcc/config/m68hc11/m68hc11.c @@ -76,6 +76,7 @@ static int m68hc11_rtx_costs_1 (rtx, enum rtx_code, enum rtx_code); static bool m68hc11_rtx_costs (rtx, int, int, int *, bool); static tree m68hc11_handle_fntype_attribute (tree *, tree, tree, int, bool *); static tree m68hc11_handle_page0_attribute (tree *, tree, tree, int, bool *); +static bool m68hc11_class_likely_spilled_p (reg_class_t); void create_regs_rtx (void); @@ -291,6 +292,9 @@ static const struct attribute_spec m68hc11_attribute_table[] = #undef TARGET_CAN_ELIMINATE #define TARGET_CAN_ELIMINATE m68hc11_can_eliminate +#undef TARGET_CLASS_LIKELY_SPILLED_P +#define TARGET_CLASS_LIKELY_SPILLED_P m68hc11_class_likely_spilled_p + #undef TARGET_TRAMPOLINE_INIT #define TARGET_TRAMPOLINE_INIT m68hc11_trampoline_init @@ -581,6 +585,32 @@ preferred_reload_class (rtx operand, enum reg_class rclass) return rclass; } +/* Implement TARGET_CLASS_LIKELY_SPILLED_P. */ + +static bool +m68hc11_class_likely_spilled_p (reg_class_t rclass) +{ + switch (rclass) + { + case D_REGS: + case X_REGS: + case Y_REGS: + case A_REGS: + case SP_REGS: + case D_OR_X_REGS: + case D_OR_Y_REGS: + case X_OR_SP_REGS: + case Y_OR_SP_REGS: + case D_OR_SP_REGS: + return true; + + default: + break; + } + + return false; +} + /* Return 1 if the operand is a valid indexed addressing mode. For 68hc11: n,r with n in [0..255] and r in A_REGS class For 68hc12: n,r no constraint on the constant, r in A_REGS class. */ |