Mercurial > hg > CbC > CbC_gcc
diff gcc/config/mips/mips-fixed.md @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 77e2b8dfacca |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/config/mips/mips-fixed.md Fri Jul 17 14:47:48 2009 +0900 @@ -0,0 +1,138 @@ +;; This file contains MIPS instructions that support fixed-point operations. + +;; All supported fixed-point modes +(define_mode_iterator FIXED [(QQ "") (HQ "") (SQ "") (DQ "TARGET_64BIT") + (UQQ "") (UHQ "") (USQ "") (UDQ "TARGET_64BIT") + (HA "") (SA "") (DA "TARGET_64BIT") + (UHA "") (USA "") (UDA "TARGET_64BIT")]) + +;; For signed add/sub with saturation +(define_mode_iterator ADDSUB [(HQ "") (SQ "") (HA "") (SA "") (V2HQ "") + (V2HA "")]) +(define_mode_attr addsubfmt [(HQ "ph") (SQ "w") (HA "ph") (SA "w") + (V2HQ "ph") (V2HA "ph")]) + +;; For unsigned add/sub with saturation +(define_mode_iterator UADDSUB [(UQQ "ISA_HAS_DSP") (UHQ "ISA_HAS_DSPR2") + (UHA "ISA_HAS_DSPR2") (V4UQQ "ISA_HAS_DSP") + (V2UHQ "ISA_HAS_DSPR2") (V2UHA "ISA_HAS_DSPR2")]) +(define_mode_attr uaddsubfmt [(UQQ "qb") (UHQ "ph") (UHA "ph") + (V4UQQ "qb") (V2UHQ "ph") (V2UHA "ph")]) + +;; For signed multiplication with saturation +(define_mode_iterator MULQ [(V2HQ "ISA_HAS_DSP") (HQ "ISA_HAS_DSP") + (SQ "ISA_HAS_DSPR2")]) +(define_mode_attr mulqfmt [(V2HQ "ph") (HQ "ph") (SQ "w")]) + +(define_insn "add<mode>3" + [(set (match_operand:FIXED 0 "register_operand" "=d") + (plus:FIXED (match_operand:FIXED 1 "register_operand" "d") + (match_operand:FIXED 2 "register_operand" "d")))] + "" + "<d>addu\t%0,%1,%2" + [(set_attr "type" "arith") + (set_attr "mode" "<IMODE>")]) + +(define_insn "usadd<mode>3" + [(parallel + [(set (match_operand:UADDSUB 0 "register_operand" "=d") + (us_plus:UADDSUB (match_operand:UADDSUB 1 "register_operand" "d") + (match_operand:UADDSUB 2 "register_operand" "d"))) + (set (reg:CCDSP CCDSP_OU_REGNUM) + (unspec:CCDSP [(match_dup 1) (match_dup 2)] UNSPEC_ADDQ_S))])] + "" + "addu_s.<uaddsubfmt>\t%0,%1,%2" + [(set_attr "type" "arith") + (set_attr "mode" "<IMODE>")]) + +(define_insn "ssadd<mode>3" + [(parallel + [(set (match_operand:ADDSUB 0 "register_operand" "=d") + (ss_plus:ADDSUB (match_operand:ADDSUB 1 "register_operand" "d") + (match_operand:ADDSUB 2 "register_operand" "d"))) + (set (reg:CCDSP CCDSP_OU_REGNUM) + (unspec:CCDSP [(match_dup 1) (match_dup 2)] UNSPEC_ADDQ_S))])] + "ISA_HAS_DSP" + "addq_s.<addsubfmt>\t%0,%1,%2" + [(set_attr "type" "arith") + (set_attr "mode" "<IMODE>")]) + +(define_insn "sub<mode>3" + [(set (match_operand:FIXED 0 "register_operand" "=d") + (minus:FIXED (match_operand:FIXED 1 "register_operand" "d") + (match_operand:FIXED 2 "register_operand" "d")))] + "" + "<d>subu\t%0,%1,%2" + [(set_attr "type" "arith") + (set_attr "mode" "<IMODE>")]) + +(define_insn "ussub<mode>3" + [(parallel + [(set (match_operand:UADDSUB 0 "register_operand" "=d") + (us_minus:UADDSUB (match_operand:UADDSUB 1 "register_operand" "d") + (match_operand:UADDSUB 2 "register_operand" "d"))) + (set (reg:CCDSP CCDSP_OU_REGNUM) + (unspec:CCDSP [(match_dup 1) (match_dup 2)] UNSPEC_SUBQ_S))])] + "" + "subu_s.<uaddsubfmt>\t%0,%1,%2" + [(set_attr "type" "arith") + (set_attr "mode" "<IMODE>")]) + +(define_insn "sssub<mode>3" + [(parallel + [(set (match_operand:ADDSUB 0 "register_operand" "=d") + (ss_minus:ADDSUB (match_operand:ADDSUB 1 "register_operand" "d") + (match_operand:ADDSUB 2 "register_operand" "d"))) + (set (reg:CCDSP CCDSP_OU_REGNUM) + (unspec:CCDSP [(match_dup 1) (match_dup 2)] UNSPEC_SUBQ_S))])] + "ISA_HAS_DSP" + "subq_s.<addsubfmt>\t%0,%1,%2" + [(set_attr "type" "arith") + (set_attr "mode" "<IMODE>")]) + +(define_insn "ssmul<mode>3" + [(parallel + [(set (match_operand:MULQ 0 "register_operand" "=d") + (ss_mult:MULQ (match_operand:MULQ 1 "register_operand" "d") + (match_operand:MULQ 2 "register_operand" "d"))) + (set (reg:CCDSP CCDSP_OU_REGNUM) + (unspec:CCDSP [(match_dup 1) (match_dup 2)] UNSPEC_MULQ_RS_PH)) + (clobber (match_scratch:DI 3 "=x"))])] + "" + "mulq_rs.<mulqfmt>\t%0,%1,%2" + [(set_attr "type" "imul3") + (set_attr "mode" "<IMODE>")]) + +(define_insn "ssmaddsqdq4" + [(parallel + [(set (match_operand:DQ 0 "register_operand" "=a") + (ss_plus:DQ + (ss_mult:DQ (sat_fract:DQ (match_operand:SQ 1 + "register_operand" "d")) + (sat_fract:DQ (match_operand:SQ 2 + "register_operand" "d"))) + (match_operand:DQ 3 "register_operand" "0"))) + (set (reg:CCDSP CCDSP_OU_REGNUM) + (unspec:CCDSP [(match_dup 1) (match_dup 2) (match_dup 3)] + UNSPEC_DPAQ_SA_L_W))])] + "ISA_HAS_DSP && !TARGET_64BIT" + "dpaq_sa.l.w\t%q0,%1,%2" + [(set_attr "type" "imadd") + (set_attr "mode" "SI")]) + +(define_insn "ssmsubsqdq4" + [(parallel + [(set (match_operand:DQ 0 "register_operand" "=a") + (ss_minus:DQ + (match_operand:DQ 3 "register_operand" "0") + (ss_mult:DQ (sat_fract:DQ (match_operand:SQ 1 + "register_operand" "d")) + (sat_fract:DQ (match_operand:SQ 2 + "register_operand" "d"))))) + (set (reg:CCDSP CCDSP_OU_REGNUM) + (unspec:CCDSP [(match_dup 1) (match_dup 2) (match_dup 3)] + UNSPEC_DPSQ_SA_L_W))])] + "ISA_HAS_DSP && !TARGET_64BIT" + "dpsq_sa.l.w\t%q0,%1,%2" + [(set_attr "type" "imadd") + (set_attr "mode" "SI")])