diff options
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 20051a7..2af93d7 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -12945,22 +12945,21 @@ mips_class_max_nregs (enum reg_class rclass, machine_mode mode) return (GET_MODE_SIZE (mode) + size - 1) / size; } -/* Implement CANNOT_CHANGE_MODE_CLASS. */ +/* Implement TARGET_CAN_CHANGE_MODE_CLASS. */ -bool -mips_cannot_change_mode_class (machine_mode from, - machine_mode to, - enum reg_class rclass) +static bool +mips_can_change_mode_class (machine_mode from, + machine_mode to, reg_class_t rclass) { /* Allow conversions between different Loongson integer vectors, and between those vectors and DImode. */ if (GET_MODE_SIZE (from) == 8 && GET_MODE_SIZE (to) == 8 && INTEGRAL_MODE_P (from) && INTEGRAL_MODE_P (to)) - return false; + return true; /* Allow conversions between different MSA vector modes. */ if (MSA_SUPPORTED_MODE_P (from) && MSA_SUPPORTED_MODE_P (to)) - return false; + return true; /* Otherwise, there are several problems with changing the modes of values in floating-point registers: @@ -12985,7 +12984,7 @@ mips_cannot_change_mode_class (machine_mode from, We therefore disallow all mode changes involving FPRs. */ - return reg_classes_intersect_p (FP_REGS, rclass); + return !reg_classes_intersect_p (FP_REGS, rclass); } /* Implement target hook small_register_classes_for_mode_p. */ @@ -22621,6 +22620,9 @@ mips_promote_function_mode (const_tree type ATTRIBUTE_UNUSED, #undef TARGET_SECONDARY_MEMORY_NEEDED #define TARGET_SECONDARY_MEMORY_NEEDED mips_secondary_memory_needed +#undef TARGET_CAN_CHANGE_MODE_CLASS +#define TARGET_CAN_CHANGE_MODE_CLASS mips_can_change_mode_class + struct gcc_target targetm = TARGET_INITIALIZER; #include "gt-mips.h" |