diff options
Diffstat (limited to 'gcc/config/sh/sh.c')
| -rw-r--r-- | gcc/config/sh/sh.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index c68b077..e9487f1 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -321,6 +321,7 @@ static bool sh_legitimate_combined_insn (rtx_insn* insn); static bool sh_fixed_condition_code_regs (unsigned int* p1, unsigned int* p2); static void sh_init_sync_libfuncs (void) ATTRIBUTE_UNUSED; +static bool sh_hard_regno_mode_ok (unsigned int, machine_mode); static const struct attribute_spec sh_attribute_table[] = { @@ -641,6 +642,9 @@ static const struct attribute_spec sh_attribute_table[] = #undef TARGET_CANNOT_FORCE_CONST_MEM #define TARGET_CANNOT_FORCE_CONST_MEM sh_cannot_force_const_mem_p +#undef TARGET_HARD_REGNO_MODE_OK +#define TARGET_HARD_REGNO_MODE_OK sh_hard_regno_mode_ok + struct gcc_target targetm = TARGET_INITIALIZER; @@ -10494,7 +10498,8 @@ sh_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED, return target; } -/* Return true if hard register REGNO can hold a value of machine-mode MODE. +/* Implement TARGET_HARD_REGNO_MODE_OK. + We can allow any mode in any general register. The special registers only allow SImode. Don't allow any mode in the PR. @@ -10509,7 +10514,7 @@ sh_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED, We want to allow TImode FP regs so that when V4SFmode is loaded as TImode, it won't be ferried through GP registers first. */ -bool +static bool sh_hard_regno_mode_ok (unsigned int regno, machine_mode mode) { if (SPECIAL_REGISTER_P (regno)) @@ -10569,7 +10574,7 @@ sh_hard_regno_mode_ok (unsigned int regno, machine_mode mode) } /* Specify the modes required to caller save a given hard regno. - choose_hard_reg_mode chooses mode based on HARD_REGNO_MODE_OK + choose_hard_reg_mode chooses mode based on TARGET_HARD_REGNO_MODE_OK and returns ?Imode for float regs when sh_hard_regno_mode_ok permits integer modes on them. That makes LRA's split process unhappy. See PR55212. |