diff options
Diffstat (limited to 'gcc/config/sh/sh.c')
| -rw-r--r-- | gcc/config/sh/sh.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index ac157e4..02468da 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -203,7 +203,7 @@ static void push_regs (HARD_REG_SET *, int); static int calc_live_regs (HARD_REG_SET *); static HOST_WIDE_INT rounded_frame_size (int); static bool sh_frame_pointer_required (void); -static void sh_emit_mode_set (int, int, HARD_REG_SET); +static void sh_emit_mode_set (int, int, int, HARD_REG_SET); static int sh_mode_needed (int, rtx); static int sh_mode_after (int, int, rtx); static int sh_mode_entry (int); @@ -13583,9 +13583,17 @@ sh_try_omit_signzero_extend (rtx extended_op, rtx insn) static void sh_emit_mode_set (int entity ATTRIBUTE_UNUSED, int mode, - HARD_REG_SET regs_live) + int prev_mode, HARD_REG_SET regs_live) { - fpscr_set_from_mem (mode, regs_live); + if ((TARGET_SH4A_FP || TARGET_SH4_300) + && prev_mode != FP_MODE_NONE && prev_mode != mode) + { + emit_insn (gen_toggle_pr ()); + if (TARGET_FMOVD) + emit_insn (gen_toggle_sz ()); + } + else + fpscr_set_from_mem (mode, regs_live); } static int |