;; Decimal Floating Point (DFP) patterns. ;; Copyright (C) 2007, 2008, 2010 ;; Free Software Foundation, Inc. ;; Contributed by Ben Elliston (bje@au.ibm.com) and Peter Bergner ;; (bergner@vnet.ibm.com). ;; This file is part of GCC. ;; GCC is free software; you can redistribute it and/or modify it ;; under the terms of the GNU General Public License as published ;; by the Free Software Foundation; either version 3, or (at your ;; option) any later version. ;; GCC is distributed in the hope that it will be useful, but WITHOUT ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ;; License for more details. ;; You should have received a copy of the GNU General Public License ;; along with GCC; see the file COPYING3. If not see ;; . ;; ;; UNSPEC usage ;; (define_constants [(UNSPEC_MOVSD_LOAD 400) (UNSPEC_MOVSD_STORE 401) ]) (define_expand "movsd" [(set (match_operand:SD 0 "nonimmediate_operand" "") (match_operand:SD 1 "any_operand" ""))] "TARGET_HARD_FLOAT && TARGET_FPRS" "{ rs6000_emit_move (operands[0], operands[1], SDmode); DONE; }") (define_split [(set (match_operand:SD 0 "gpc_reg_operand" "") (match_operand:SD 1 "const_double_operand" ""))] "reload_completed && ((GET_CODE (operands[0]) == REG && REGNO (operands[0]) <= 31) || (GET_CODE (operands[0]) == SUBREG && GET_CODE (SUBREG_REG (operands[0])) == REG && REGNO (SUBREG_REG (operands[0])) <= 31))" [(set (match_dup 2) (match_dup 3))] " { long l; REAL_VALUE_TYPE rv; REAL_VALUE_FROM_CONST_DOUBLE (rv, operands[1]); REAL_VALUE_TO_TARGET_DECIMAL32 (rv, l); if (! TARGET_POWERPC64) operands[2] = operand_subword (operands[0], 0, 0, SDmode); else operands[2] = gen_lowpart (SImode, operands[0]); operands[3] = gen_int_mode (l, SImode); }") (define_insn "movsd_hardfloat" [(set (match_operand:SD 0 "nonimmediate_operand" "=r,r,m,f,*c*l,*q,!r,*h,!r,!r") (match_operand:SD 1 "input_operand" "r,m,r,f,r,r,h,0,G,Fn"))] "(gpc_reg_operand (operands[0], SDmode) || gpc_reg_operand (operands[1], SDmode)) && (TARGET_HARD_FLOAT && TARGET_FPRS)" "@ mr %0,%1 {l%U1%X1|lwz%U1%X1} %0,%1 {st%U0%X0|stw%U0%X0} %1,%0 fmr %0,%1 mt%0 %1 mt%0 %1 mf%1 %0 {cror 0,0,0|nop} # #" [(set_attr "type" "*,load,store,fp,mtjmpr,*,mfjmpr,*,*,*") (set_attr "length" "4,4,4,4,4,4,4,4,4,8")]) (define_insn "movsd_softfloat" [(set (match_operand:SD 0 "nonimmediate_operand" "=r,cl,q,r,r,m,r,r,r,r,r,*h") (match_operand:SD 1 "input_operand" "r,r,r,h,m,r,I,L,R,G,Fn,0"))] "(gpc_reg_operand (operands[0], SDmode) || gpc_reg_operand (operands[1], SDmode)) && (TARGET_SOFT_FLOAT || !TARGET_FPRS)" "@ mr %0,%1 mt%0 %1 mt%0 %1 mf%1 %0 {l%U1%X1|lwz%U1%X1} %0,%1 {st%U0%X0|stw%U0%X0} %1,%0 {lil|li} %0,%1 {liu|lis} %0,%v1 {cal|la} %0,%a1 # # {cror 0,0,0|nop}" [(set_attr "type" "*,mtjmpr,*,mfjmpr,load,store,*,*,*,*,*,*") (set_attr "length" "4,4,4,4,4,4,4,4,4,4,8,4")]) (define_insn "movsd_store" [(set (match_operand:DD 0 "nonimmediate_operand" "=m") (unspec:DD [(match_operand:SD 1 "input_operand" "d")] UNSPEC_MOVSD_STORE))] "(gpc_reg_operand (operands[0], DDmode) || gpc_reg_operand (operands[1], SDmode)) && TARGET_HARD_FLOAT && TARGET_FPRS" "stfd%U0%X0 %1,%0" [(set_attr "type" "fpstore") (set_attr "length" "4")]) (define_insn "movsd_load" [(set (match_operand:SD 0 "nonimmediate_operand" "=f") (unspec:SD [(match_operand:DD 1 "input_operand" "m")] UNSPEC_MOVSD_LOAD))] "(gpc_reg_operand (operands[0], SDmode) || gpc_reg_operand (operands[1], DDmode)) && TARGET_HARD_FLOAT && TARGET_FPRS" "lfd%U1%X1 %0,%1" [(set_attr "type" "fpload") (set_attr "length" "4")]) ;; Hardware support for decimal floating point operations. (define_insn "extendsddd2" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (float_extend:DD (match_operand:SD 1 "gpc_reg_operand" "f")))] "TARGET_DFP" "dctdp %0,%1" [(set_attr "type" "fp")]) (define_expand "extendsdtd2" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (float_extend:TD (match_operand:SD 1 "gpc_reg_operand" "d")))] "TARGET_DFP" { rtx tmp = gen_reg_rtx (DDmode); emit_insn (gen_extendsddd2 (tmp, operands[1])); emit_insn (gen_extendddtd2 (operands[0], tmp)); DONE; }) (define_insn "truncddsd2" [(set (match_operand:SD 0 "gpc_reg_operand" "=f") (float_truncate:SD (match_operand:DD 1 "gpc_reg_operand" "d")))] "TARGET_DFP" "drsp %0,%1" [(set_attr "type" "fp")]) (define_expand "negdd2" [(set (match_operand:DD 0 "gpc_reg_operand" "") (neg:DD (match_operand:DD 1 "gpc_reg_operand" "")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "") (define_insn "*negdd2_fpr" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (neg:DD (match_operand:DD 1 "gpc_reg_operand" "d")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "fneg %0,%1" [(set_attr "type" "fp")]) (define_expand "absdd2" [(set (match_operand:DD 0 "gpc_reg_operand" "") (abs:DD (match_operand:DD 1 "gpc_reg_operand" "")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "") (define_insn "*absdd2_fpr" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (abs:DD (match_operand:DD 1 "gpc_reg_operand" "d")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "fabs %0,%1" [(set_attr "type" "fp")]) (define_insn "*nabsdd2_fpr" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (neg:DD (abs:DD (match_operand:DD 1 "gpc_reg_operand" "d"))))] "TARGET_HARD_FLOAT && TARGET_FPRS" "fnabs %0,%1" [(set_attr "type" "fp")]) (define_expand "movdd" [(set (match_operand:DD 0 "nonimmediate_operand" "") (match_operand:DD 1 "any_operand" ""))] "" "{ rs6000_emit_move (operands[0], operands[1], DDmode); DONE; }") (define_split [(set (match_operand:DD 0 "gpc_reg_operand" "") (match_operand:DD 1 "const_int_operand" ""))] "! TARGET_POWERPC64 && reload_completed && ((GET_CODE (operands[0]) == REG && REGNO (operands[0]) <= 31) || (GET_CODE (operands[0]) == SUBREG && GET_CODE (SUBREG_REG (operands[0])) == REG && REGNO (SUBREG_REG (operands[0])) <= 31))" [(set (match_dup 2) (match_dup 4)) (set (match_dup 3) (match_dup 1))] " { int endian = (WORDS_BIG_ENDIAN == 0); HOST_WIDE_INT value = INTVAL (operands[1]); operands[2] = operand_subword (operands[0], endian, 0, DDmode); operands[3] = operand_subword (operands[0], 1 - endian, 0, DDmode); #if HOST_BITS_PER_WIDE_INT == 32 operands[4] = (value & 0x80000000) ? constm1_rtx : const0_rtx; #else operands[4] = GEN_INT (value >> 32); operands[1] = GEN_INT (((value & 0xffffffff) ^ 0x80000000) - 0x80000000); #endif }") (define_split [(set (match_operand:DD 0 "gpc_reg_operand" "") (match_operand:DD 1 "const_double_operand" ""))] "! TARGET_POWERPC64 && reload_completed && ((GET_CODE (operands[0]) == REG && REGNO (operands[0]) <= 31) || (GET_CODE (operands[0]) == SUBREG && GET_CODE (SUBREG_REG (operands[0])) == REG && REGNO (SUBREG_REG (operands[0])) <= 31))" [(set (match_dup 2) (match_dup 4)) (set (match_dup 3) (match_dup 5))] " { int endian = (WORDS_BIG_ENDIAN == 0); long l[2]; REAL_VALUE_TYPE rv; REAL_VALUE_FROM_CONST_DOUBLE (rv, operands[1]); REAL_VALUE_TO_TARGET_DECIMAL64 (rv, l); operands[2] = operand_subword (operands[0], endian, 0, DDmode); operands[3] = operand_subword (operands[0], 1 - endian, 0, DDmode); operands[4] = gen_int_mode (l[endian], SImode); operands[5] = gen_int_mode (l[1 - endian], SImode); }") (define_split [(set (match_operand:DD 0 "gpc_reg_operand" "") (match_operand:DD 1 "const_double_operand" ""))] "TARGET_POWERPC64 && reload_completed && ((GET_CODE (operands[0]) == REG && REGNO (operands[0]) <= 31) || (GET_CODE (operands[0]) == SUBREG && GET_CODE (SUBREG_REG (operands[0])) == REG && REGNO (SUBREG_REG (operands[0])) <= 31))" [(set (match_dup 2) (match_dup 3))] " { int endian = (WORDS_BIG_ENDIAN == 0); long l[2]; REAL_VALUE_TYPE rv; #if HOST_BITS_PER_WIDE_INT >= 64 HOST_WIDE_INT val; #endif REAL_VALUE_FROM_CONST_DOUBLE (rv, operands[1]); REAL_VALUE_TO_TARGET_DECIMAL64 (rv, l); operands[2] = gen_lowpart (DImode, operands[0]); /* HIGHPART is lower memory address when WORDS_BIG_ENDIAN. */ #if HOST_BITS_PER_WIDE_INT >= 64 val = ((HOST_WIDE_INT)(unsigned long)l[endian] << 32 | ((HOST_WIDE_INT)(unsigned long)l[1 - endian])); operands[3] = gen_int_mode (val, DImode); #else operands[3] = immed_double_const (l[1 - endian], l[endian], DImode); #endif }") ;; Don't have reload use general registers to load a constant. First, ;; it might not work if the output operand is the equivalent of ;; a non-offsettable memref, but also it is less efficient than loading ;; the constant into an FP register, since it will probably be used there. ;; The "??" is a kludge until we can figure out a more reasonable way ;; of handling these non-offsettable values. (define_insn "*movdd_hardfloat32" [(set (match_operand:DD 0 "nonimmediate_operand" "=!r,??r,m,d,d,m,!r,!r,!r") (match_operand:DD 1 "input_operand" "r,m,r,d,m,d,G,H,F"))] "! TARGET_POWERPC64 && TARGET_HARD_FLOAT && TARGET_FPRS && (gpc_reg_operand (operands[0], DDmode) || gpc_reg_operand (operands[1], DDmode))" "* { switch (which_alternative) { default: gcc_unreachable (); case 0: case 1: case 2: return \"#\"; case 3: return \"fmr %0,%1\"; case 4: return \"lfd%U1%X1 %0,%1\"; case 5: return \"stfd%U0%X0 %1,%0\"; case 6: case 7: case 8: return \"#\"; } }" [(set_attr "type" "two,load,store,fp,fpload,fpstore,*,*,*") (set_attr "length" "8,16,16,4,4,4,8,12,16")]) (define_insn "*movdd_softfloat32" [(set (match_operand:DD 0 "nonimmediate_operand" "=r,r,m,r,r,r") (match_operand:DD 1 "input_operand" "r,m,r,G,H,F"))] "! TARGET_POWERPC64 && (TARGET_SOFT_FLOAT || !TARGET_FPRS) && (gpc_reg_operand (operands[0], DDmode) || gpc_reg_operand (operands[1], DDmode))" "#" [(set_attr "type" "two,load,store,*,*,*") (set_attr "length" "8,8,8,8,12,16")]) ; ld/std require word-aligned displacements -> 'Y' constraint. ; List Y->r and r->Y before r->r for reload. (define_insn "*movdd_hardfloat64_mfpgpr" [(set (match_operand:DD 0 "nonimmediate_operand" "=Y,r,!r,d,d,m,*c*l,!r,*h,!r,!r,!r,r,d") (match_operand:DD 1 "input_operand" "r,Y,r,d,m,d,r,h,0,G,H,F,d,r"))] "TARGET_POWERPC64 && TARGET_MFPGPR && TARGET_HARD_FLOAT && TARGET_FPRS && (gpc_reg_operand (operands[0], DDmode) || gpc_reg_operand (operands[1], DDmode))" "@ std%U0%X0 %1,%0 ld%U1%X1 %0,%1 mr %0,%1 fmr %0,%1 lfd%U1%X1 %0,%1 stfd%U0%X0 %1,%0 mt%0 %1 mf%1 %0 {cror 0,0,0|nop} # # # mftgpr %0,%1 mffgpr %0,%1" [(set_attr "type" "store,load,*,fp,fpload,fpstore,mtjmpr,mfjmpr,*,*,*,*,mftgpr,mffgpr") (set_attr "length" "4,4,4,4,4,4,4,4,4,8,12,16,4,4")]) ; ld/std require word-aligned displacements -> 'Y' constraint. ; List Y->r and r->Y before r->r for reload. (define_insn "*movdd_hardfloat64" [(set (match_operand:DD 0 "nonimmediate_operand" "=Y,r,!r,d,d,m,*c*l,!r,*h,!r,!r,!r") (match_operand:DD 1 "input_operand" "r,Y,r,d,m,d,r,h,0,G,H,F"))] "TARGET_POWERPC64 && !TARGET_MFPGPR && TARGET_HARD_FLOAT && TARGET_FPRS && (gpc_reg_operand (operands[0], DDmode) || gpc_reg_operand (operands[1], DDmode))" "@ std%U0%X0 %1,%0 ld%U1%X1 %0,%1 mr %0,%1 fmr %0,%1 lfd%U1%X1 %0,%1 stfd%U0%X0 %1,%0 mt%0 %1 mf%1 %0 {cror 0,0,0|nop} # # #" [(set_attr "type" "store,load,*,fp,fpload,fpstore,mtjmpr,mfjmpr,*,*,*,*") (set_attr "length" "4,4,4,4,4,4,4,4,4,8,12,16")]) (define_insn "*movdd_softfloat64" [(set (match_operand:DD 0 "nonimmediate_operand" "=r,Y,r,cl,r,r,r,r,*h") (match_operand:DD 1 "input_operand" "Y,r,r,r,h,G,H,F,0"))] "TARGET_POWERPC64 && (TARGET_SOFT_FLOAT || !TARGET_FPRS) && (gpc_reg_operand (operands[0], DDmode) || gpc_reg_operand (operands[1], DDmode))" "@ ld%U1%X1 %0,%1 std%U0%X0 %1,%0 mr %0,%1 mt%0 %1 mf%1 %0 # # # {cror 0,0,0|nop}" [(set_attr "type" "load,store,*,mtjmpr,mfjmpr,*,*,*,*") (set_attr "length" "4,4,4,4,4,8,12,16,4")]) (define_expand "negtd2" [(set (match_operand:TD 0 "gpc_reg_operand" "") (neg:TD (match_operand:TD 1 "gpc_reg_operand" "")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "") (define_insn "*negtd2_fpr" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (neg:TD (match_operand:TD 1 "gpc_reg_operand" "d")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "fneg %0,%1" [(set_attr "type" "fp")]) (define_expand "abstd2" [(set (match_operand:TD 0 "gpc_reg_operand" "") (abs:TD (match_operand:TD 1 "gpc_reg_operand" "")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "") (define_insn "*abstd2_fpr" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (abs:TD (match_operand:TD 1 "gpc_reg_operand" "d")))] "TARGET_HARD_FLOAT && TARGET_FPRS" "fabs %0,%1" [(set_attr "type" "fp")]) (define_insn "*nabstd2_fpr" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (neg:TD (abs:TD (match_operand:TD 1 "gpc_reg_operand" "d"))))] "TARGET_HARD_FLOAT && TARGET_FPRS" "fnabs %0,%1" [(set_attr "type" "fp")]) (define_expand "movtd" [(set (match_operand:TD 0 "general_operand" "") (match_operand:TD 1 "any_operand" ""))] "TARGET_HARD_FLOAT && TARGET_FPRS" "{ rs6000_emit_move (operands[0], operands[1], TDmode); DONE; }") ; It's important to list the o->f and f->o moves before f->f because ; otherwise reload, given m->f, will try to pick f->f and reload it, ; which doesn't make progress. Likewise r->Y must be before r->r. (define_insn_and_split "*movtd_internal" [(set (match_operand:TD 0 "nonimmediate_operand" "=o,d,d,r,Y,r") (match_operand:TD 1 "input_operand" "d,o,d,YGHF,r,r"))] "TARGET_HARD_FLOAT && TARGET_FPRS && (gpc_reg_operand (operands[0], TDmode) || gpc_reg_operand (operands[1], TDmode))" "#" "&& reload_completed" [(pc)] { rs6000_split_multireg_move (operands[0], operands[1]); DONE; } [(set_attr "length" "8,8,8,20,20,16")]) ;; Hardware support for decimal floating point operations. (define_insn "extendddtd2" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (float_extend:TD (match_operand:DD 1 "gpc_reg_operand" "d")))] "TARGET_DFP" "dctqpq %0,%1" [(set_attr "type" "fp")]) ;; The result of drdpq is an even/odd register pair with the converted ;; value in the even register and zero in the odd register. ;; FIXME: Avoid the register move by using a reload constraint to ensure ;; that the result is the first of the pair receiving the result of drdpq. (define_insn "trunctddd2" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (float_truncate:DD (match_operand:TD 1 "gpc_reg_operand" "d"))) (clobber (match_scratch:TD 2 "=d"))] "TARGET_DFP" "drdpq %2,%1\;fmr %0,%2" [(set_attr "type" "fp")]) (define_insn "adddd3" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (plus:DD (match_operand:DD 1 "gpc_reg_operand" "%d") (match_operand:DD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "dadd %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "addtd3" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (plus:TD (match_operand:TD 1 "gpc_reg_operand" "%d") (match_operand:TD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "daddq %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "subdd3" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (minus:DD (match_operand:DD 1 "gpc_reg_operand" "d") (match_operand:DD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "dsub %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "subtd3" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (minus:TD (match_operand:TD 1 "gpc_reg_operand" "d") (match_operand:TD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "dsubq %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "muldd3" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (mult:DD (match_operand:DD 1 "gpc_reg_operand" "%d") (match_operand:DD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "dmul %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "multd3" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (mult:TD (match_operand:TD 1 "gpc_reg_operand" "%d") (match_operand:TD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "dmulq %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "divdd3" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (div:DD (match_operand:DD 1 "gpc_reg_operand" "d") (match_operand:DD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "ddiv %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "divtd3" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (div:TD (match_operand:TD 1 "gpc_reg_operand" "d") (match_operand:TD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "ddivq %0,%1,%2" [(set_attr "type" "fp")]) (define_insn "*cmpdd_internal1" [(set (match_operand:CCFP 0 "cc_reg_operand" "=y") (compare:CCFP (match_operand:DD 1 "gpc_reg_operand" "d") (match_operand:DD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "dcmpu %0,%1,%2" [(set_attr "type" "fpcompare")]) (define_insn "*cmptd_internal1" [(set (match_operand:CCFP 0 "cc_reg_operand" "=y") (compare:CCFP (match_operand:TD 1 "gpc_reg_operand" "d") (match_operand:TD 2 "gpc_reg_operand" "d")))] "TARGET_DFP" "dcmpuq %0,%1,%2" [(set_attr "type" "fpcompare")]) (define_insn "floatditd2" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (float:TD (match_operand:DI 1 "gpc_reg_operand" "d")))] "TARGET_DFP" "dcffixq %0,%1" [(set_attr "type" "fp")]) ;; Convert a decimal64 to a decimal64 whose value is an integer. ;; This is the first stage of converting it to an integer type. (define_insn "ftruncdd2" [(set (match_operand:DD 0 "gpc_reg_operand" "=d") (fix:DD (match_operand:DD 1 "gpc_reg_operand" "d")))] "TARGET_DFP" "drintn. 0,%0,%1,1" [(set_attr "type" "fp")]) ;; Convert a decimal64 whose value is an integer to an actual integer. ;; This is the second stage of converting decimal float to integer type. (define_insn "fixdddi2" [(set (match_operand:DI 0 "gpc_reg_operand" "=d") (fix:DI (match_operand:DD 1 "gpc_reg_operand" "d")))] "TARGET_DFP" "dctfix %0,%1" [(set_attr "type" "fp")]) ;; Convert a decimal128 to a decimal128 whose value is an integer. ;; This is the first stage of converting it to an integer type. (define_insn "ftrunctd2" [(set (match_operand:TD 0 "gpc_reg_operand" "=d") (fix:TD (match_operand:TD 1 "gpc_reg_operand" "d")))] "TARGET_DFP" "drintnq. 0,%0,%1,1" [(set_attr "type" "fp")]) ;; Convert a decimal128 whose value is an integer to an actual integer. ;; This is the second stage of converting decimal float to integer type. (define_insn "fixtddi2" [(set (match_operand:DI 0 "gpc_reg_operand" "=d") (fix:DI (match_operand:TD 1 "gpc_reg_operand" "d")))] "TARGET_DFP" "dctfixq %0,%1" [(set_attr "type" "fp")])