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| author | Stephane Carrez <Stephane.Carrez@worldnet.fr> | 2001-05-03 23:09:28 +0200 |
|---|---|---|
| committer | Stephane Carrez <ciceron@gcc.gnu.org> | 2001-05-03 23:09:28 +0200 |
| commit | c418c5ab57ac93a0b5fecb1687daa4dfe171442e (patch) | |
| tree | d112b0c98776e86eccccbb5f4e7f430a0a8a13be /gcc | |
| parent | fa27606ca36122822459b32dda0ea76d3b5dd2e3 (diff) | |
| download | gcc-c418c5ab57ac93a0b5fecb1687daa4dfe171442e.zip gcc-c418c5ab57ac93a0b5fecb1687daa4dfe171442e.tar.gz gcc-c418c5ab57ac93a0b5fecb1687daa4dfe171442e.tar.bz2 | |
m68hc11.md ("bitcmpqi"): New pattern for bitb instruction.
* config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
instruction.
("bitcmpqi2"): New pattern for bit-extract and test.
("bitcmphi"): New pattern for bitb/bita instructions.
From-SVN: r41812
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/m68hc11/m68hc11.md | 81 |
2 files changed, 88 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d752c56..9c9e4ca 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb + instruction. + ("bitcmpqi2"): New pattern for bit-extract and test. + ("bitcmphi"): New pattern for bitb/bita instructions. + 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk> * gccbug.in: Use a temporary directory when the mktemp command is diff --git a/gcc/config/m68hc11/m68hc11.md b/gcc/config/m68hc11/m68hc11.md index ec6956e..a4380c3 100644 --- a/gcc/config/m68hc11/m68hc11.md +++ b/gcc/config/m68hc11/m68hc11.md @@ -383,6 +383,87 @@ DONE; }") +(define_insn "bitcmpqi" + [(set (cc0) + (and:QI (match_operand:QI 0 "tst_operand" "d,d,d") + (match_operand:QI 1 "cmp_operand" "im,*A,u")))] + "" + "@ + bitb\\t%1 + # + bitb\\t%1") + +(define_insn "bitcmpqi_z_used" + [(set (cc0) + (and:QI (match_operand:QI 0 "tst_operand" "d") + (match_operand:QI 1 "cmp_operand" "m"))) + (use (match_operand:HI 2 "hard_reg_operand" "xy")) + (use (reg:HI 11))] + "" + "#") + +(define_split /* "bitcmpqi_z_used" */ + [(set (cc0) + (and:QI (match_operand:QI 0 "tst_operand" "d") + (match_operand:QI 1 "cmp_operand" "m"))) + (use (match_operand:HI 2 "hard_reg_operand" "xy")) + (use (reg:HI 11))] + "z_replacement_completed == 2" + [(set (mem:HI (pre_dec:HI (reg:HI 3))) (match_dup 2)) + (set (match_dup 2) (match_dup 3)) + (set (cc0) (and:QI (match_dup 0) (match_dup 1))) + (set (match_dup 2) (mem:HI (post_inc:HI (reg:HI 3))))] + "operands[3] = gen_rtx (REG, HImode, SOFT_Z_REGNUM);") + +(define_insn "bitcmphi" + [(set (cc0) + (and:HI (match_operand:HI 0 "tst_operand" "d") + (match_operand:HI 1 "const_int_operand" "i")))] + "(INTVAL (operands[1]) & 0x0ff) == 0 + || (INTVAL (operands[1]) & 0x0ff00) == 0" + "* +{ + if ((INTVAL (operands[1]) & 0x0ff) == 0) + return \"bita\\t%h1\"; + else + return \"bitb\\t%1\"; +}") + +(define_insn "bitcmpqi_12" + [(set (cc0) + (zero_extract (match_operand:HI 0 "tst_operand" "d") + (match_operand:HI 1 "const_int_operand" "i") + (match_operand:HI 2 "const_int_operand" "i")))] + "(unsigned) (INTVAL (operands[2]) + INTVAL (operands[1])) <= 8 + || (((unsigned) (INTVAL (operands[2]) + INTVAL (operands[1])) <= 16) + && (unsigned) INTVAL (operands[2]) >= 8)" + "* +{ + rtx ops[1]; + int mask; + int startpos = INTVAL (operands[2]); + int bitsize = INTVAL (operands[1]); + + if (startpos >= 8) + { + startpos -= 8; + mask = (1 << (startpos + bitsize)) - 1; + mask &= ~((1 << startpos) - 1); + + ops[0] = GEN_INT (mask); + output_asm_insn (\"bita\\t%0\", ops); + } + else + { + mask = (1 << (startpos + bitsize)) - 1; + mask &= ~((1 << startpos) - 1); + + ops[0] = GEN_INT (mask); + output_asm_insn (\"bitb\\t%0\", ops); + } + return \"\"; +}") + (define_insn "cmpqi_1" [(set (cc0) (compare (match_operand:QI 0 "tst_operand" "d,d,*x*y,*x*y") |