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| author | Richard Kenner <kenner@gcc.gnu.org> | 1997-07-14 07:41:24 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1997-07-14 07:41:24 -0400 |
| commit | 29ae8a3cb3f4bca6a03a9afad3fefcbe4214f27f (patch) | |
| tree | 3c165ea9afed8ad7afb32fe40b426125cee4f8d8 | |
| parent | 5f24901c296f7f44acddd2f4ea0556ef9df55bf5 (diff) | |
| download | gcc-29ae8a3cb3f4bca6a03a9afad3fefcbe4214f27f.zip gcc-29ae8a3cb3f4bca6a03a9afad3fefcbe4214f27f.tar.gz gcc-29ae8a3cb3f4bca6a03a9afad3fefcbe4214f27f.tar.bz2 | |
(output_{and,ior,xor}si3): New functions from patterns bodies.
From-SVN: r14431
| -rw-r--r-- | gcc/config/m68k/m68k.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 37298e5..781e11c 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -3148,3 +3148,122 @@ const_sint32_operand (op, mode) return (GET_CODE (op) == CONST_INT && (INTVAL (op) >= (-0x7fffffff - 1) && INTVAL (op) <= 0x7fffffff)); } + +char * +output_andsi3 (operands) + rtx *operands; +{ + int logval; + if (GET_CODE (operands[2]) == CONST_INT + && (INTVAL (operands[2]) | 0xffff) == 0xffffffff + && (DATA_REG_P (operands[0]) + || offsettable_memref_p (operands[0])) + && !TARGET_5200) + { + if (GET_CODE (operands[0]) != REG) + operands[0] = adj_offsettable_operand (operands[0], 2); + operands[2] = gen_rtx (CONST_INT, VOIDmode, + INTVAL (operands[2]) & 0xffff); + /* Do not delete a following tstl %0 insn; that would be incorrect. */ + CC_STATUS_INIT; + if (operands[2] == const0_rtx) + return "clr%.w %0"; + return "and%.w %2,%0"; + } + if (GET_CODE (operands[2]) == CONST_INT + && (logval = exact_log2 (~ INTVAL (operands[2]))) >= 0 + && (DATA_REG_P (operands[0]) + || offsettable_memref_p (operands[0]))) + { + if (DATA_REG_P (operands[0])) + { + operands[1] = gen_rtx (CONST_INT, VOIDmode, logval); + } + else + { + operands[0] = adj_offsettable_operand (operands[0], 3 - (logval / 8)); + operands[1] = gen_rtx (CONST_INT, VOIDmode, logval % 8); + } + /* This does not set condition codes in a standard way. */ + CC_STATUS_INIT; + return "bclr %1,%0"; + } + return "and%.l %2,%0"; +} + +char * +output_iorsi3 (operands) + rtx *operands; +{ + register int logval; + if (GET_CODE (operands[2]) == CONST_INT + && INTVAL (operands[2]) >> 16 == 0 + && (DATA_REG_P (operands[0]) + || offsettable_memref_p (operands[0])) + && !TARGET_5200) + { + if (GET_CODE (operands[0]) != REG) + operands[0] = adj_offsettable_operand (operands[0], 2); + /* Do not delete a following tstl %0 insn; that would be incorrect. */ + CC_STATUS_INIT; + if (INTVAL (operands[2]) == 0xffff) + return "mov%.w %2,%0"; + return "or%.w %2,%0"; + } + if (GET_CODE (operands[2]) == CONST_INT + && (logval = exact_log2 (INTVAL (operands[2]))) >= 0 + && (DATA_REG_P (operands[0]) + || offsettable_memref_p (operands[0]))) + { + if (DATA_REG_P (operands[0])) + { + operands[1] = gen_rtx (CONST_INT, VOIDmode, logval); + } + else + { + operands[0] = adj_offsettable_operand (operands[0], 3 - (logval / 8)); + operands[1] = gen_rtx (CONST_INT, VOIDmode, logval % 8); + } + CC_STATUS_INIT; + return "bset %1,%0"; + } + return "or%.l %2,%0"; +} + +char * +output_xorsi3 (operands) + rtx *operands; +{ + register int logval; + if (GET_CODE (operands[2]) == CONST_INT + && INTVAL (operands[2]) >> 16 == 0 + && (offsettable_memref_p (operands[0]) || DATA_REG_P (operands[0])) + && !TARGET_5200) + { + if (! DATA_REG_P (operands[0])) + operands[0] = adj_offsettable_operand (operands[0], 2); + /* Do not delete a following tstl %0 insn; that would be incorrect. */ + CC_STATUS_INIT; + if (INTVAL (operands[2]) == 0xffff) + return "not%.w %0"; + return "eor%.w %2,%0"; + } + if (GET_CODE (operands[2]) == CONST_INT + && (logval = exact_log2 (INTVAL (operands[2]))) >= 0 + && (DATA_REG_P (operands[0]) + || offsettable_memref_p (operands[0]))) + { + if (DATA_REG_P (operands[0])) + { + operands[1] = gen_rtx (CONST_INT, VOIDmode, logval); + } + else + { + operands[0] = adj_offsettable_operand (operands[0], 3 - (logval / 8)); + operands[1] = gen_rtx (CONST_INT, VOIDmode, logval % 8); + } + CC_STATUS_INIT; + return "bchg %1,%0"; + } + return "eor%.l %2,%0"; +} |