diff options
Diffstat (limited to 'gcc/config/sh/sh.c')
| -rw-r--r-- | gcc/config/sh/sh.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 52f9500aae4..186372ff73f 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -8898,6 +8898,15 @@ sh_register_operand (rtx op, enum machine_mode mode) return register_operand (op, mode); } +int +cmpsi_operand (rtx op, enum machine_mode mode) +{ + if (GET_CODE (op) == REG && REGNO (op) == T_REG + && GET_MODE (op) == SImode) + return 1; + return arith_operand (op, mode); +} + static rtx emit_load_ptr (rtx, rtx); static rtx @@ -9129,4 +9138,33 @@ sh_get_pr_initial_val (void) return val; } +int +sh_expand_t_scc (enum rtx_code code, rtx target) +{ + rtx result = target; + HOST_WIDE_INT val; + + if (GET_CODE (sh_compare_op0) != REG || REGNO (sh_compare_op0) != T_REG + || GET_CODE (sh_compare_op1) != CONST_INT) + return 0; + if (GET_CODE (result) != REG) + result = gen_reg_rtx (SImode); + val = INTVAL (sh_compare_op1); + if ((code == EQ && val == 1) || (code == NE && val == 0)) + emit_insn (gen_movt (result)); + else if ((code == EQ && val == 0) || (code == NE && val == 1)) + { + emit_insn (gen_rtx_CLOBBER (VOIDmode, result)); + emit_insn (gen_subc (result, result, result)); + emit_insn (gen_addsi3 (result, result, GEN_INT (1))); + } + else if (code == EQ || code == NE) + emit_insn (gen_move_insn (result, GEN_INT (code == NE))); + else + return 0; + if (result != target) + emit_move_insn (target, result); + return 1; +} + #include "gt-sh.h" |