diff options
Diffstat (limited to 'gcc/config/h8300')
| -rw-r--r-- | gcc/config/h8300/h8300-protos.h | 1 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.c | 14 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.md | 80 |
3 files changed, 35 insertions, 60 deletions
diff --git a/gcc/config/h8300/h8300-protos.h b/gcc/config/h8300/h8300-protos.h index 4f03f9815f1..7ad2df861cd 100644 --- a/gcc/config/h8300/h8300-protos.h +++ b/gcc/config/h8300/h8300-protos.h @@ -45,6 +45,7 @@ extern const char *output_logical_op (enum machine_mode, rtx *); extern unsigned int compute_logical_op_length (enum machine_mode, rtx *); extern int compute_logical_op_cc (enum machine_mode, rtx *); +extern void h8300_expand_branch (enum rtx_code, rtx); extern void expand_a_shift (enum machine_mode, int, rtx[]); extern int h8300_shift_needs_scratch_p (int, enum machine_mode); extern int expand_a_rotate (rtx[]); diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c index b34ddd32c31..ad509558dba 100644 --- a/gcc/config/h8300/h8300.c +++ b/gcc/config/h8300/h8300.c @@ -2675,6 +2675,20 @@ compute_logical_op_cc (enum machine_mode mode, rtx *operands) return cc; } +/* Expand a conditional branch. */ + +void +h8300_expand_branch (enum rtx_code code, rtx label) +{ + rtx tmp; + + tmp = gen_rtx_fmt_ee (code, VOIDmode, cc0_rtx, const0_rtx); + tmp = gen_rtx_IF_THEN_ELSE (VOIDmode, tmp, + gen_rtx_LABEL_REF (VOIDmode, label), + pc_rtx); + emit_jump_insn (gen_rtx_SET (VOIDmode, pc_rtx, tmp)); +} + /* Shifts. We devote a fair bit of code to getting efficient shifts since we diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index dd77e3279ec..25462cfc1bd 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -1566,94 +1566,54 @@ ;; Conditional jump instructions (define_expand "ble" - [(set (pc) - (if_then_else (le (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (LE, operands[0]); DONE;") (define_expand "bleu" - [(set (pc) - (if_then_else (leu (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (LEU, operands[0]); DONE;") (define_expand "bge" - [(set (pc) - (if_then_else (ge (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (GE, operands[0]); DONE;") (define_expand "bgeu" - [(set (pc) - (if_then_else (geu (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (GEU, operands[0]); DONE;") (define_expand "blt" - [(set (pc) - (if_then_else (lt (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (LT, operands[0]); DONE;") (define_expand "bltu" - [(set (pc) - (if_then_else (ltu (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (LTU, operands[0]); DONE;") (define_expand "bgt" - [(set (pc) - (if_then_else (gt (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (GT, operands[0]); DONE;") (define_expand "bgtu" - [(set (pc) - (if_then_else (gtu (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (GTU, operands[0]); DONE;") (define_expand "beq" - [(set (pc) - (if_then_else (eq (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (EQ, operands[0]); DONE;") (define_expand "bne" - [(set (pc) - (if_then_else (ne (cc0) - (const_int 0)) - (label_ref (match_operand 0 "" "")) - (pc)))] + [(match_operand 0 "" "")] "" - "") + "h8300_expand_branch (NE, operands[0]); DONE;") (define_insn "branch_true" [(set (pc) |