re PR target/56102 (Wrong rtx cost calculated for Thumb1)
PR target/56102 * config/arm/arm.c (thumb1_rtx_costs, thumb1_size_rtx_costs): Fix rtx costs for SET/ASHIFT/ASHIFTRT/LSHIFTRT/ROTATERT patterns with mult-word mode. From-SVN: r197155
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2013-03-27 Bin Cheng <bin.cheng@arm.com>
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PR target/56102
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* config/arm/arm.c (thumb1_rtx_costs, thumb1_size_rtx_costs): Fix
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rtx costs for SET/ASHIFT/ASHIFTRT/LSHIFTRT/ROTATERT patterns with
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mult-word mode.
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2013-03-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
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* config/s390/s390.h (TARGET_FLT_EVAL_METHOD): Define.
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@ -7116,7 +7116,7 @@ static inline int
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thumb1_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
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{
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enum machine_mode mode = GET_MODE (x);
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int total;
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int total, words;
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switch (code)
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{
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@ -7124,6 +7124,8 @@ thumb1_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
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case ASHIFTRT:
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case LSHIFTRT:
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case ROTATERT:
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return (mode == SImode) ? COSTS_N_INSNS (1) : COSTS_N_INSNS (2);
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case PLUS:
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case MINUS:
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case COMPARE:
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@ -7147,7 +7149,10 @@ thumb1_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
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return COSTS_N_INSNS (1) + 16;
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case SET:
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return (COSTS_N_INSNS (1)
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/* A SET doesn't have a mode, so let's look at the SET_DEST to get
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the mode. */
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words = ARM_NUM_INTS (GET_MODE_SIZE (GET_MODE (SET_DEST (x))));
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return (COSTS_N_INSNS (words)
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+ 4 * ((MEM_P (SET_SRC (x)))
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+ MEM_P (SET_DEST (x))));
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@ -7844,6 +7849,7 @@ static inline int
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thumb1_size_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
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{
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enum machine_mode mode = GET_MODE (x);
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int words;
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switch (code)
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{
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@ -7851,6 +7857,8 @@ thumb1_size_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
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case ASHIFTRT:
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case LSHIFTRT:
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case ROTATERT:
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return (mode == SImode) ? COSTS_N_INSNS (1) : COSTS_N_INSNS (2);
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case PLUS:
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case MINUS:
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case COMPARE:
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@ -7869,7 +7877,10 @@ thumb1_size_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
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return COSTS_N_INSNS (1);
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case SET:
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return (COSTS_N_INSNS (1)
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/* A SET doesn't have a mode, so let's look at the SET_DEST to get
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the mode. */
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words = ARM_NUM_INTS (GET_MODE_SIZE (GET_MODE (SET_DEST (x))));
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return (COSTS_N_INSNS (words)
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+ 4 * ((MEM_P (SET_SRC (x)))
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+ MEM_P (SET_DEST (x))));
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