diff options
Diffstat (limited to 'gcc/config/arm/arm.c')
| -rw-r--r-- | gcc/config/arm/arm.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 2b1bf7a1389..f127b1d2904 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -3131,12 +3131,12 @@ arm_rtx_costs_1 (rtx x, enum rtx_code code, enum rtx_code outer) return COSTS_N_INSNS (2); return COSTS_N_INSNS (3); } - else if (outer == PLUS + else if ((outer == PLUS || outer == COMPARE) && INTVAL (x) < 256 && INTVAL (x) > -256) - return 0; - else if (outer == COMPARE - && (unsigned HOST_WIDE_INT) INTVAL (x) < 256) - return 0; + return 0; + else if (outer == AND + && INTVAL (x) < 256 && INTVAL (x) >= -256) + return COSTS_N_INSNS (1); else if (outer == ASHIFT || outer == ASHIFTRT || outer == LSHIFTRT) return 0; @@ -6903,13 +6903,11 @@ note_invalid_constants (rtx insn, HOST_WIDE_INT address, int do_pushes) us here. Lets just hope that we can use the constant pool value directly. */ if (op == cop) - op = get_pool_constant (XEXP (op, 0)); - else - op = cop; + cop = get_pool_constant (XEXP (op, 0)); push_minipool_fix (insn, address, recog_data.operand_loc[opno], - recog_data.operand_mode[opno], op); + recog_data.operand_mode[opno], cop); } result = true; @@ -12647,10 +12645,19 @@ int thumb_cmp_operand (rtx op, enum machine_mode mode) { return ((GET_CODE (op) == CONST_INT - && (unsigned HOST_WIDE_INT) (INTVAL (op)) < 256) + && INTVAL (op) < 256 + && INTVAL (op) >= 0) || s_register_operand (op, mode)); } +int +thumb_cmpneg_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED) +{ + return (GET_CODE (op) == CONST_INT + && INTVAL (op) < 0 + && INTVAL (op) > -256); +} + /* Return TRUE if a result can be stored in OP without clobbering the condition code register. Prior to reload we only accept a register. After reload we have to be able to handle memory as |