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Diffstat (limited to 'gcc/config/rs6000/vsx.md')
| -rw-r--r-- | gcc/config/rs6000/vsx.md | 1152 |
1 files changed, 1152 insertions, 0 deletions
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md new file mode 100644 index 000000000..05c794e1d --- /dev/null +++ b/gcc/config/rs6000/vsx.md @@ -0,0 +1,1152 @@ +;; VSX patterns. +;; Copyright (C) 2009, 2010, 2011 +;; Free Software Foundation, Inc. +;; Contributed by Michael Meissner <meissner@linux.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 +;; <http://www.gnu.org/licenses/>. + +;; Iterator for both scalar and vector floating point types supported by VSX +(define_mode_iterator VSX_B [DF V4SF V2DF]) + +;; Iterator for the 2 64-bit vector types +(define_mode_iterator VSX_D [V2DF V2DI]) + +;; Iterator for the 2 32-bit vector types +(define_mode_iterator VSX_W [V4SF V4SI]) + +;; Iterator for the DF types +(define_mode_iterator VSX_DF [V2DF DF]) + +;; Iterator for vector floating point types supported by VSX +(define_mode_iterator VSX_F [V4SF V2DF]) + +;; Iterator for logical types supported by VSX +(define_mode_iterator VSX_L [V16QI V8HI V4SI V2DI V4SF V2DF TI]) + +;; Iterator for memory move. Handle TImode specially to allow +;; it to use gprs as well as vsx registers. +(define_mode_iterator VSX_M [V16QI V8HI V4SI V2DI V4SF V2DF]) + +;; Map into the appropriate load/store name based on the type +(define_mode_attr VSm [(V16QI "vw4") + (V8HI "vw4") + (V4SI "vw4") + (V4SF "vw4") + (V2DF "vd2") + (V2DI "vd2") + (DF "d") + (TI "vw4")]) + +;; Map into the appropriate suffix based on the type +(define_mode_attr VSs [(V16QI "sp") + (V8HI "sp") + (V4SI "sp") + (V4SF "sp") + (V2DF "dp") + (V2DI "dp") + (DF "dp") + (SF "sp") + (TI "sp")]) + +;; Map the register class used +(define_mode_attr VSr [(V16QI "v") + (V8HI "v") + (V4SI "v") + (V4SF "wf") + (V2DI "wd") + (V2DF "wd") + (DF "ws") + (SF "d") + (TI "wd")]) + +;; Map the register class used for float<->int conversions +(define_mode_attr VSr2 [(V2DF "wd") + (V4SF "wf") + (DF "ws")]) + +(define_mode_attr VSr3 [(V2DF "wa") + (V4SF "wa") + (DF "ws")]) + +;; Map the register class for sp<->dp float conversions, destination +(define_mode_attr VSr4 [(SF "ws") + (DF "f") + (V2DF "wd") + (V4SF "v")]) + +;; Map the register class for sp<->dp float conversions, destination +(define_mode_attr VSr5 [(SF "ws") + (DF "f") + (V2DF "v") + (V4SF "wd")]) + +;; Same size integer type for floating point data +(define_mode_attr VSi [(V4SF "v4si") + (V2DF "v2di") + (DF "di")]) + +(define_mode_attr VSI [(V4SF "V4SI") + (V2DF "V2DI") + (DF "DI")]) + +;; Word size for same size conversion +(define_mode_attr VSc [(V4SF "w") + (V2DF "d") + (DF "d")]) + +;; Map into either s or v, depending on whether this is a scalar or vector +;; operation +(define_mode_attr VSv [(V16QI "v") + (V8HI "v") + (V4SI "v") + (V4SF "v") + (V2DI "v") + (V2DF "v") + (TI "v") + (DF "s")]) + +;; Appropriate type for add ops (and other simple FP ops) +(define_mode_attr VStype_simple [(V2DF "vecfloat") + (V4SF "vecfloat") + (DF "fp")]) + +(define_mode_attr VSfptype_simple [(V2DF "fp_addsub_d") + (V4SF "fp_addsub_s") + (DF "fp_addsub_d")]) + +;; Appropriate type for multiply ops +(define_mode_attr VStype_mul [(V2DF "vecfloat") + (V4SF "vecfloat") + (DF "dmul")]) + +(define_mode_attr VSfptype_mul [(V2DF "fp_mul_d") + (V4SF "fp_mul_s") + (DF "fp_mul_d")]) + +;; Appropriate type for divide ops. For now, just lump the vector divide with +;; the scalar divides +(define_mode_attr VStype_div [(V2DF "ddiv") + (V4SF "sdiv") + (DF "ddiv")]) + +(define_mode_attr VSfptype_div [(V2DF "fp_div_d") + (V4SF "fp_div_s") + (DF "fp_div_d")]) + +;; Appropriate type for sqrt ops. For now, just lump the vector sqrt with +;; the scalar sqrt +(define_mode_attr VStype_sqrt [(V2DF "dsqrt") + (V4SF "sdiv") + (DF "ddiv")]) + +(define_mode_attr VSfptype_sqrt [(V2DF "fp_sqrt_d") + (V4SF "fp_sqrt_s") + (DF "fp_sqrt_d")]) + +;; Iterator and modes for sp<->dp conversions +;; Because scalar SF values are represented internally as double, use the +;; V4SF type to represent this than SF. +(define_mode_iterator VSX_SPDP [DF V4SF V2DF]) + +(define_mode_attr VS_spdp_res [(DF "V4SF") + (V4SF "V2DF") + (V2DF "V4SF")]) + +(define_mode_attr VS_spdp_insn [(DF "xscvdpsp") + (V4SF "xvcvspdp") + (V2DF "xvcvdpsp")]) + +(define_mode_attr VS_spdp_type [(DF "fp") + (V4SF "vecfloat") + (V2DF "vecfloat")]) + +;; Map the scalar mode for a vector type +(define_mode_attr VS_scalar [(V2DF "DF") + (V2DI "DI") + (V4SF "SF") + (V4SI "SI") + (V8HI "HI") + (V16QI "QI")]) + +;; Constants for creating unspecs +(define_constants + [(UNSPEC_VSX_CONCAT 500) + (UNSPEC_VSX_CVDPSXWS 501) + (UNSPEC_VSX_CVDPUXWS 502) + (UNSPEC_VSX_CVSPDP 503) + (UNSPEC_VSX_CVSXWDP 504) + (UNSPEC_VSX_CVUXWDP 505) + (UNSPEC_VSX_CVSXDSP 506) + (UNSPEC_VSX_CVUXDSP 507) + (UNSPEC_VSX_CVSPSXDS 508) + (UNSPEC_VSX_CVSPUXDS 509) + ;; 510-514 deleted + (UNSPEC_VSX_TDIV 515) + (UNSPEC_VSX_TSQRT 516) + (UNSPEC_VSX_XXPERMDI 517) + (UNSPEC_VSX_SET 518) + (UNSPEC_VSX_ROUND_I 519) + (UNSPEC_VSX_ROUND_IC 520) + (UNSPEC_VSX_SLDWI 521)]) + +;; VSX moves +(define_insn "*vsx_mov<mode>" + [(set (match_operand:VSX_M 0 "nonimmediate_operand" "=Z,<VSr>,<VSr>,?Z,?wa,?wa,*o,*r,*r,<VSr>,?wa,v,wZ,v") + (match_operand:VSX_M 1 "input_operand" "<VSr>,Z,<VSr>,wa,Z,wa,r,o,r,j,j,W,v,wZ"))] + "VECTOR_MEM_VSX_P (<MODE>mode) + && (register_operand (operands[0], <MODE>mode) + || register_operand (operands[1], <MODE>mode))" +{ + switch (which_alternative) + { + case 0: + case 3: + gcc_assert (MEM_P (operands[0]) + && GET_CODE (XEXP (operands[0], 0)) != PRE_INC + && GET_CODE (XEXP (operands[0], 0)) != PRE_DEC + && GET_CODE (XEXP (operands[0], 0)) != PRE_MODIFY); + return "stx<VSm>x %x1,%y0"; + + case 1: + case 4: + gcc_assert (MEM_P (operands[1]) + && GET_CODE (XEXP (operands[1], 0)) != PRE_INC + && GET_CODE (XEXP (operands[1], 0)) != PRE_DEC + && GET_CODE (XEXP (operands[1], 0)) != PRE_MODIFY); + return "lx<VSm>x %x0,%y1"; + + case 2: + case 5: + return "xxlor %x0,%x1,%x1"; + + case 6: + case 7: + case 8: + return "#"; + + case 9: + case 10: + return "xxlxor %x0,%x0,%x0"; + + case 11: + return output_vec_const_move (operands); + + case 12: + gcc_assert (MEM_P (operands[0]) + && GET_CODE (XEXP (operands[0], 0)) != PRE_INC + && GET_CODE (XEXP (operands[0], 0)) != PRE_DEC + && GET_CODE (XEXP (operands[0], 0)) != PRE_MODIFY); + return "stvx %1,%y0"; + + case 13: + gcc_assert (MEM_P (operands[0]) + && GET_CODE (XEXP (operands[0], 0)) != PRE_INC + && GET_CODE (XEXP (operands[0], 0)) != PRE_DEC + && GET_CODE (XEXP (operands[0], 0)) != PRE_MODIFY); + return "lvx %0,%y1"; + + default: + gcc_unreachable (); + } +} + [(set_attr "type" "vecstore,vecload,vecsimple,vecstore,vecload,vecsimple,*,*,*,vecsimple,vecsimple,*,vecstore,vecload")]) + +;; Unlike other VSX moves, allow the GPRs, since a normal use of TImode is for +;; unions. However for plain data movement, slightly favor the vector loads +(define_insn "*vsx_movti" + [(set (match_operand:TI 0 "nonimmediate_operand" "=Z,wa,wa,?o,?r,?r,wa,v,v,wZ") + (match_operand:TI 1 "input_operand" "wa,Z,wa,r,o,r,j,W,wZ,v"))] + "VECTOR_MEM_VSX_P (TImode) + && (register_operand (operands[0], TImode) + || register_operand (operands[1], TImode))" +{ + switch (which_alternative) + { + case 0: + return "stxvd2x %x1,%y0"; + + case 1: + return "lxvd2x %x0,%y1"; + + case 2: + return "xxlor %x0,%x1,%x1"; + + case 3: + case 4: + case 5: + return "#"; + + case 6: + return "xxlxor %x0,%x0,%x0"; + + case 7: + return output_vec_const_move (operands); + + case 8: + return "stvx %1,%y0"; + + case 9: + return "lvx %0,%y1"; + + default: + gcc_unreachable (); + } +} + [(set_attr "type" "vecstore,vecload,vecsimple,*,*,*,vecsimple,*,vecstore,vecload")]) + +;; Explicit load/store expanders for the builtin functions +(define_expand "vsx_load_<mode>" + [(set (match_operand:VSX_M 0 "vsx_register_operand" "") + (match_operand:VSX_M 1 "memory_operand" ""))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "") + +(define_expand "vsx_store_<mode>" + [(set (match_operand:VEC_M 0 "memory_operand" "") + (match_operand:VEC_M 1 "vsx_register_operand" ""))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "") + + +;; VSX scalar and vector floating point arithmetic instructions +(define_insn "*vsx_add<mode>3" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (plus:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>add<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "*vsx_sub<mode>3" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (minus:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>sub<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "*vsx_mul<mode>3" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (mult:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>mul<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_mul>") + (set_attr "fp_type" "<VSfptype_mul>")]) + +(define_insn "*vsx_div<mode>3" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (div:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>div<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_div>") + (set_attr "fp_type" "<VSfptype_div>")]) + +;; *tdiv* instruction returning the FG flag +(define_expand "vsx_tdiv<mode>3_fg" + [(set (match_dup 3) + (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "") + (match_operand:VSX_B 2 "vsx_register_operand" "")] + UNSPEC_VSX_TDIV)) + (set (match_operand:SI 0 "gpc_reg_operand" "") + (gt:SI (match_dup 3) + (const_int 0)))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" +{ + operands[3] = gen_reg_rtx (CCFPmode); +}) + +;; *tdiv* instruction returning the FE flag +(define_expand "vsx_tdiv<mode>3_fe" + [(set (match_dup 3) + (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "") + (match_operand:VSX_B 2 "vsx_register_operand" "")] + UNSPEC_VSX_TDIV)) + (set (match_operand:SI 0 "gpc_reg_operand" "") + (eq:SI (match_dup 3) + (const_int 0)))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" +{ + operands[3] = gen_reg_rtx (CCFPmode); +}) + +(define_insn "*vsx_tdiv<mode>3_internal" + [(set (match_operand:CCFP 0 "cc_reg_operand" "=x,x") + (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_VSX_TDIV))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>tdiv<VSs> %0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_fre<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_FRES))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>re<VSs> %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "*vsx_neg<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (neg:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>neg<VSs> %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "*vsx_abs<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (abs:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>abs<VSs> %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_nabs<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (neg:VSX_B + (abs:VSX_B + (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa"))))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>nabs<VSs> %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_smax<mode>3" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (smax:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>max<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "*vsx_smin<mode>3" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (smin:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>min<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +;; Special VSX version of smin/smax for single precision floating point. Since +;; both numbers are rounded to single precision, we can just use the DP version +;; of the instruction. + +(define_insn "*vsx_smaxsf3" + [(set (match_operand:SF 0 "vsx_register_operand" "=f") + (smax:SF (match_operand:SF 1 "vsx_register_operand" "f") + (match_operand:SF 2 "vsx_register_operand" "f")))] + "VECTOR_UNIT_VSX_P (DFmode)" + "xsmaxdp %x0,%x1,%x2" + [(set_attr "type" "fp") + (set_attr "fp_type" "fp_addsub_d")]) + +(define_insn "*vsx_sminsf3" + [(set (match_operand:SF 0 "vsx_register_operand" "=f") + (smin:SF (match_operand:SF 1 "vsx_register_operand" "f") + (match_operand:SF 2 "vsx_register_operand" "f")))] + "VECTOR_UNIT_VSX_P (DFmode)" + "xsmindp %x0,%x1,%x2" + [(set_attr "type" "fp") + (set_attr "fp_type" "fp_addsub_d")]) + +(define_insn "*vsx_sqrt<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (sqrt:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>sqrt<VSs> %x0,%x1" + [(set_attr "type" "<VStype_sqrt>") + (set_attr "fp_type" "<VSfptype_sqrt>")]) + +(define_insn "*vsx_rsqrte<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_RSQRT))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>rsqrte<VSs> %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +;; *tsqrt* returning the fg flag +(define_expand "vsx_tsqrt<mode>2_fg" + [(set (match_dup 3) + (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "")] + UNSPEC_VSX_TSQRT)) + (set (match_operand:SI 0 "gpc_reg_operand" "") + (gt:SI (match_dup 3) + (const_int 0)))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" +{ + operands[3] = gen_reg_rtx (CCFPmode); +}) + +;; *tsqrt* returning the fe flag +(define_expand "vsx_tsqrt<mode>2_fe" + [(set (match_dup 3) + (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "")] + UNSPEC_VSX_TSQRT)) + (set (match_operand:SI 0 "gpc_reg_operand" "") + (eq:SI (match_dup 3) + (const_int 0)))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" +{ + operands[3] = gen_reg_rtx (CCFPmode); +}) + +(define_insn "*vsx_tsqrt<mode>2_internal" + [(set (match_operand:CCFP 0 "cc_reg_operand" "=x,x") + (unspec:CCFP [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_VSX_TSQRT))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>tsqrt<VSs> %0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +;; Fused vector multiply/add instructions + +(define_insn "*vsx_fma<mode>4" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa") + (fma:VSX_B + (match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0") + (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "@ + x<VSv>madda<VSs> %x0,%x1,%x2 + x<VSv>maddm<VSs> %x0,%x1,%x3 + x<VSv>madda<VSs> %x0,%x1,%x2 + x<VSv>maddm<VSs> %x0,%x1,%x3" + [(set_attr "type" "<VStype_mul>") + (set_attr "fp_type" "<VSfptype_mul>")]) + +(define_insn "*vsx_fms<mode>4" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa") + (fma:VSX_B + (match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0") + (neg:VSX_B + (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa"))))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "@ + x<VSv>msuba<VSs> %x0,%x1,%x2 + x<VSv>msubm<VSs> %x0,%x1,%x3 + x<VSv>msuba<VSs> %x0,%x1,%x2 + x<VSv>msubm<VSs> %x0,%x1,%x3" + [(set_attr "type" "<VStype_mul>") + (set_attr "fp_type" "<VSfptype_mul>")]) + +(define_insn "*vsx_nfma<mode>4" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa") + (neg:VSX_B + (fma:VSX_B + (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,<VSr>,wa,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0") + (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa"))))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "@ + x<VSv>nmadda<VSs> %x0,%x1,%x2 + x<VSv>nmaddm<VSs> %x0,%x1,%x3 + x<VSv>nmadda<VSs> %x0,%x1,%x2 + x<VSv>nmaddm<VSs> %x0,%x1,%x3" + [(set_attr "type" "<VStype_mul>") + (set_attr "fp_type" "<VSfptype_mul>")]) + +(define_insn "*vsx_nfms<mode>4" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,<VSr>,?wa,?wa") + (neg:VSX_B + (fma:VSX_B + (match_operand:VSX_B 1 "vsx_register_operand" "%<VSr>,<VSr>,wa,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,0,wa,0") + (neg:VSX_B + (match_operand:VSX_B 3 "vsx_register_operand" "0,<VSr>,0,wa")))))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "@ + x<VSv>nmsuba<VSs> %x0,%x1,%x2 + x<VSv>nmsubm<VSs> %x0,%x1,%x3 + x<VSv>nmsuba<VSs> %x0,%x1,%x2 + x<VSv>nmsubm<VSs> %x0,%x1,%x3" + [(set_attr "type" "<VStype_mul>") + (set_attr "fp_type" "<VSfptype_mul>")]) + +;; Vector conditional expressions (no scalar version for these instructions) +(define_insn "vsx_eq<mode>" + [(set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa") + (eq:VSX_F (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "xvcmpeq<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_gt<mode>" + [(set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa") + (gt:VSX_F (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "xvcmpgt<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "*vsx_ge<mode>" + [(set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa") + (ge:VSX_F (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "xvcmpge<VSs> %x0,%x1,%x2" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +;; Floating point scalar compare +(define_insn "*vsx_cmpdf_internal1" + [(set (match_operand:CCFP 0 "cc_reg_operand" "=y,?y") + (compare:CCFP (match_operand:DF 1 "gpc_reg_operand" "ws,wa") + (match_operand:DF 2 "gpc_reg_operand" "ws,wa")))] + "TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT + && VECTOR_UNIT_VSX_P (DFmode)" + "xscmpudp %0,%x1,%x2" + [(set_attr "type" "fpcompare")]) + +;; Compare vectors producing a vector result and a predicate, setting CR6 to +;; indicate a combined status +(define_insn "*vsx_eq_<mode>_p" + [(set (reg:CC 74) + (unspec:CC + [(eq:CC (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,?wa") + (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,?wa"))] + UNSPEC_PREDICATE)) + (set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa") + (eq:VSX_F (match_dup 1) + (match_dup 2)))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "xvcmpeq<VSs>. %x0,%x1,%x2" + [(set_attr "type" "veccmp")]) + +(define_insn "*vsx_gt_<mode>_p" + [(set (reg:CC 74) + (unspec:CC + [(gt:CC (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,?wa") + (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,?wa"))] + UNSPEC_PREDICATE)) + (set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa") + (gt:VSX_F (match_dup 1) + (match_dup 2)))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "xvcmpgt<VSs>. %x0,%x1,%x2" + [(set_attr "type" "veccmp")]) + +(define_insn "*vsx_ge_<mode>_p" + [(set (reg:CC 74) + (unspec:CC + [(ge:CC (match_operand:VSX_F 1 "vsx_register_operand" "<VSr>,?wa") + (match_operand:VSX_F 2 "vsx_register_operand" "<VSr>,?wa"))] + UNSPEC_PREDICATE)) + (set (match_operand:VSX_F 0 "vsx_register_operand" "=<VSr>,?wa") + (ge:VSX_F (match_dup 1) + (match_dup 2)))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "xvcmpge<VSs>. %x0,%x1,%x2" + [(set_attr "type" "veccmp")]) + +;; Vector select +(define_insn "*vsx_xxsel<mode>" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (if_then_else:VSX_L + (ne:CC (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_L 4 "zero_constant" "")) + (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_L 3 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxsel %x0,%x3,%x2,%x1" + [(set_attr "type" "vecperm")]) + +(define_insn "*vsx_xxsel<mode>_uns" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (if_then_else:VSX_L + (ne:CCUNS (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_L 4 "zero_constant" "")) + (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_L 3 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxsel %x0,%x3,%x2,%x1" + [(set_attr "type" "vecperm")]) + +;; Copy sign +(define_insn "vsx_copysign<mode>3" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B + [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa") + (match_operand:VSX_B 2 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_COPYSIGN))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>cpsgn<VSs> %x0,%x2,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +;; For the conversions, limit the register class for the integer value to be +;; the fprs because we don't want to add the altivec registers to movdi/movsi. +;; For the unsigned tests, there isn't a generic double -> unsigned conversion +;; in rs6000.md so don't test VECTOR_UNIT_VSX_P, just test against VSX. +;; Don't use vsx_register_operand here, use gpc_reg_operand to match rs6000.md. +(define_insn "vsx_float<VSi><mode>2" + [(set (match_operand:VSX_B 0 "gpc_reg_operand" "=<VSr>,?wa") + (float:VSX_B (match_operand:<VSI> 1 "gpc_reg_operand" "<VSr2>,<VSr3>")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>cvsx<VSc><VSs> %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_floatuns<VSi><mode>2" + [(set (match_operand:VSX_B 0 "gpc_reg_operand" "=<VSr>,?wa") + (unsigned_float:VSX_B (match_operand:<VSI> 1 "gpc_reg_operand" "<VSr2>,<VSr3>")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>cvux<VSc><VSs> %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_fix_trunc<mode><VSi>2" + [(set (match_operand:<VSI> 0 "gpc_reg_operand" "=<VSr2>,?<VSr3>") + (fix:<VSI> (match_operand:VSX_B 1 "gpc_reg_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>cv<VSs>sx<VSc>s %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_fixuns_trunc<mode><VSi>2" + [(set (match_operand:<VSI> 0 "gpc_reg_operand" "=<VSr2>,?<VSr3>") + (unsigned_fix:<VSI> (match_operand:VSX_B 1 "gpc_reg_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>cv<VSs>ux<VSc>s %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +;; Math rounding functions +(define_insn "vsx_x<VSv>r<VSs>i" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_VSX_ROUND_I))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>r<VSs>i %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_x<VSv>r<VSs>ic" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_VSX_ROUND_IC))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>r<VSs>ic %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_btrunc<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (fix:VSX_B (match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>r<VSs>iz %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "*vsx_b2trunc<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_FRIZ))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>r<VSs>iz %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_floor<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_FRIM))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>r<VSs>im %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + +(define_insn "vsx_ceil<mode>2" + [(set (match_operand:VSX_B 0 "vsx_register_operand" "=<VSr>,?wa") + (unspec:VSX_B [(match_operand:VSX_B 1 "vsx_register_operand" "<VSr>,wa")] + UNSPEC_FRIP))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "x<VSv>r<VSs>ip %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + + +;; VSX convert to/from double vector + +;; Convert between single and double precision +;; Don't use xscvspdp and xscvdpsp for scalar conversions, since the normal +;; scalar single precision instructions internally use the double format. +;; Prefer the altivec registers, since we likely will need to do a vperm +(define_insn "vsx_<VS_spdp_insn>" + [(set (match_operand:<VS_spdp_res> 0 "vsx_register_operand" "=<VSr4>,?wa") + (unspec:<VS_spdp_res> [(match_operand:VSX_SPDP 1 "vsx_register_operand" "<VSr5>,wa")] + UNSPEC_VSX_CVSPDP))] + "VECTOR_UNIT_VSX_P (<MODE>mode)" + "<VS_spdp_insn> %x0,%x1" + [(set_attr "type" "<VS_spdp_type>")]) + +;; xscvspdp, represent the scalar SF type as V4SF +(define_insn "vsx_xscvspdp" + [(set (match_operand:DF 0 "vsx_register_operand" "=ws,?wa") + (unspec:DF [(match_operand:V4SF 1 "vsx_register_operand" "wa,wa")] + UNSPEC_VSX_CVSPDP))] + "VECTOR_UNIT_VSX_P (DFmode)" + "xscvspdp %x0,%x1" + [(set_attr "type" "fp")]) + +;; xscvdpsp used for splat'ing a scalar to V4SF, knowing that the internal SF +;; format of scalars is actually DF. +(define_insn "vsx_xscvdpsp_scalar" + [(set (match_operand:V4SF 0 "vsx_register_operand" "=wa") + (unspec:V4SF [(match_operand:SF 1 "vsx_register_operand" "f")] + UNSPEC_VSX_CVSPDP))] + "VECTOR_UNIT_VSX_P (DFmode)" + "xscvdpsp %x0,%x1" + [(set_attr "type" "fp")]) + +;; Convert from 64-bit to 32-bit types +;; Note, favor the Altivec registers since the usual use of these instructions +;; is in vector converts and we need to use the Altivec vperm instruction. + +(define_insn "vsx_xvcvdpsxws" + [(set (match_operand:V4SI 0 "vsx_register_operand" "=v,?wa") + (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wd,wa")] + UNSPEC_VSX_CVDPSXWS))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvdpsxws %x0,%x1" + [(set_attr "type" "vecfloat")]) + +(define_insn "vsx_xvcvdpuxws" + [(set (match_operand:V4SI 0 "vsx_register_operand" "=v,?wa") + (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wd,wa")] + UNSPEC_VSX_CVDPUXWS))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvdpuxws %x0,%x1" + [(set_attr "type" "vecfloat")]) + +(define_insn "vsx_xvcvsxdsp" + [(set (match_operand:V4SI 0 "vsx_register_operand" "=wd,?wa") + (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wf,wa")] + UNSPEC_VSX_CVSXDSP))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvsxdsp %x0,%x1" + [(set_attr "type" "vecfloat")]) + +(define_insn "vsx_xvcvuxdsp" + [(set (match_operand:V4SI 0 "vsx_register_operand" "=wd,?wa") + (unspec:V4SI [(match_operand:V2DF 1 "vsx_register_operand" "wf,wa")] + UNSPEC_VSX_CVUXDSP))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvuxwdp %x0,%x1" + [(set_attr "type" "vecfloat")]) + +;; Convert from 32-bit to 64-bit types +(define_insn "vsx_xvcvsxwdp" + [(set (match_operand:V2DF 0 "vsx_register_operand" "=wd,?wa") + (unspec:V2DF [(match_operand:V4SI 1 "vsx_register_operand" "wf,wa")] + UNSPEC_VSX_CVSXWDP))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvsxwdp %x0,%x1" + [(set_attr "type" "vecfloat")]) + +(define_insn "vsx_xvcvuxwdp" + [(set (match_operand:V2DF 0 "vsx_register_operand" "=wd,?wa") + (unspec:V2DF [(match_operand:V4SI 1 "vsx_register_operand" "wf,wa")] + UNSPEC_VSX_CVUXWDP))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvuxwdp %x0,%x1" + [(set_attr "type" "vecfloat")]) + +(define_insn "vsx_xvcvspsxds" + [(set (match_operand:V2DI 0 "vsx_register_operand" "=v,?wa") + (unspec:V2DI [(match_operand:V4SF 1 "vsx_register_operand" "wd,wa")] + UNSPEC_VSX_CVSPSXDS))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvspsxds %x0,%x1" + [(set_attr "type" "vecfloat")]) + +(define_insn "vsx_xvcvspuxds" + [(set (match_operand:V2DI 0 "vsx_register_operand" "=v,?wa") + (unspec:V2DI [(match_operand:V4SF 1 "vsx_register_operand" "wd,wa")] + UNSPEC_VSX_CVSPUXDS))] + "VECTOR_UNIT_VSX_P (V2DFmode)" + "xvcvspuxds %x0,%x1" + [(set_attr "type" "vecfloat")]) + +;; Only optimize (float (fix x)) -> frz if we are in fast-math mode, since +;; since the xsrdpiz instruction does not truncate the value if the floating +;; point value is < LONG_MIN or > LONG_MAX. +(define_insn "*vsx_float_fix_<mode>2" + [(set (match_operand:VSX_DF 0 "vsx_register_operand" "=<VSr>,?wa") + (float:VSX_DF + (fix:<VSI> + (match_operand:VSX_DF 1 "vsx_register_operand" "<VSr>,?wa"))))] + "TARGET_HARD_FLOAT && TARGET_FPRS && TARGET_DOUBLE_FLOAT + && VECTOR_UNIT_VSX_P (<MODE>mode) && flag_unsafe_math_optimizations + && !flag_trapping_math && TARGET_FRIZ" + "x<VSv>r<VSs>iz %x0,%x1" + [(set_attr "type" "<VStype_simple>") + (set_attr "fp_type" "<VSfptype_simple>")]) + + +;; Logical and permute operations +(define_insn "*vsx_and<mode>3" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (and:VSX_L + (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa") + (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxland %x0,%x1,%x2" + [(set_attr "type" "vecsimple")]) + +(define_insn "*vsx_ior<mode>3" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (ior:VSX_L (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa") + (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxlor %x0,%x1,%x2" + [(set_attr "type" "vecsimple")]) + +(define_insn "*vsx_xor<mode>3" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (xor:VSX_L + (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa") + (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxlxor %x0,%x1,%x2" + [(set_attr "type" "vecsimple")]) + +(define_insn "*vsx_one_cmpl<mode>2" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (not:VSX_L + (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxlnor %x0,%x1,%x1" + [(set_attr "type" "vecsimple")]) + +(define_insn "*vsx_nor<mode>3" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (not:VSX_L + (ior:VSX_L + (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa") + (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa"))))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxlnor %x0,%x1,%x2" + [(set_attr "type" "vecsimple")]) + +(define_insn "*vsx_andc<mode>3" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=<VSr>,?wa") + (and:VSX_L + (not:VSX_L + (match_operand:VSX_L 2 "vsx_register_operand" "<VSr>,?wa")) + (match_operand:VSX_L 1 "vsx_register_operand" "<VSr>,?wa")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxlandc %x0,%x1,%x2" + [(set_attr "type" "vecsimple")]) + + +;; Permute operations + +;; Build a V2DF/V2DI vector from two scalars +(define_insn "vsx_concat_<mode>" + [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd,?wa") + (unspec:VSX_D + [(match_operand:<VS_scalar> 1 "vsx_register_operand" "ws,wa") + (match_operand:<VS_scalar> 2 "vsx_register_operand" "ws,wa")] + UNSPEC_VSX_CONCAT))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxpermdi %x0,%x1,%x2,0" + [(set_attr "type" "vecperm")]) + +;; Special purpose concat using xxpermdi to glue two single precision values +;; together, relying on the fact that internally scalar floats are represented +;; as doubles. This is used to initialize a V4SF vector with 4 floats +(define_insn "vsx_concat_v2sf" + [(set (match_operand:V2DF 0 "vsx_register_operand" "=wd,?wa") + (unspec:V2DF + [(match_operand:SF 1 "vsx_register_operand" "f,f") + (match_operand:SF 2 "vsx_register_operand" "f,f")] + UNSPEC_VSX_CONCAT))] + "VECTOR_MEM_VSX_P (V2DFmode)" + "xxpermdi %x0,%x1,%x2,0" + [(set_attr "type" "vecperm")]) + +;; Set the element of a V2DI/VD2F mode +(define_insn "vsx_set_<mode>" + [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd,?wa") + (unspec:VSX_D [(match_operand:VSX_D 1 "vsx_register_operand" "wd,wa") + (match_operand:<VS_scalar> 2 "vsx_register_operand" "ws,wa") + (match_operand:QI 3 "u5bit_cint_operand" "i,i")] + UNSPEC_VSX_SET))] + "VECTOR_MEM_VSX_P (<MODE>mode)" +{ + if (INTVAL (operands[3]) == 0) + return \"xxpermdi %x0,%x2,%x1,1\"; + else if (INTVAL (operands[3]) == 1) + return \"xxpermdi %x0,%x1,%x2,0\"; + else + gcc_unreachable (); +} + [(set_attr "type" "vecperm")]) + +;; Extract a DF/DI element from V2DF/V2DI +(define_insn "vsx_extract_<mode>" + [(set (match_operand:<VS_scalar> 0 "vsx_register_operand" "=ws,d,?wa") + (vec_select:<VS_scalar> (match_operand:VSX_D 1 "vsx_register_operand" "wd,wd,wa") + (parallel + [(match_operand:QI 2 "u5bit_cint_operand" "i,i,i")])))] + "VECTOR_MEM_VSX_P (<MODE>mode)" +{ + gcc_assert (UINTVAL (operands[2]) <= 1); + operands[3] = GEN_INT (INTVAL (operands[2]) << 1); + return \"xxpermdi %x0,%x1,%x1,%3\"; +} + [(set_attr "type" "vecperm")]) + +;; Optimize extracting element 0 from memory +(define_insn "*vsx_extract_<mode>_zero" + [(set (match_operand:<VS_scalar> 0 "vsx_register_operand" "=ws,d,?wa") + (vec_select:<VS_scalar> + (match_operand:VSX_D 1 "indexed_or_indirect_operand" "Z,Z,Z") + (parallel [(const_int 0)])))] + "VECTOR_MEM_VSX_P (<MODE>mode) && WORDS_BIG_ENDIAN" + "lxsd%U1x %x0,%y1" + [(set_attr "type" "fpload") + (set_attr "length" "4")]) + +;; General double word oriented permute, allow the other vector types for +;; optimizing the permute instruction. +(define_insn "vsx_xxpermdi_<mode>" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=wd,?wa") + (unspec:VSX_L [(match_operand:VSX_L 1 "vsx_register_operand" "wd,wa") + (match_operand:VSX_L 2 "vsx_register_operand" "wd,wa") + (match_operand:QI 3 "u5bit_cint_operand" "i,i")] + UNSPEC_VSX_XXPERMDI))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxpermdi %x0,%x1,%x2,%3" + [(set_attr "type" "vecperm")]) + +;; Varient of xxpermdi that is emitted by the vec_interleave functions +(define_insn "*vsx_xxpermdi2_<mode>" + [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd") + (vec_concat:VSX_D + (vec_select:<VS_scalar> + (match_operand:VSX_D 1 "vsx_register_operand" "wd") + (parallel + [(match_operand:QI 2 "u5bit_cint_operand" "i")])) + (vec_select:<VS_scalar> + (match_operand:VSX_D 3 "vsx_register_operand" "wd") + (parallel + [(match_operand:QI 4 "u5bit_cint_operand" "i")]))))] + "VECTOR_MEM_VSX_P (<MODE>mode)" +{ + gcc_assert ((UINTVAL (operands[2]) <= 1) && (UINTVAL (operands[4]) <= 1)); + operands[5] = GEN_INT (((INTVAL (operands[2]) & 1) << 1) + | (INTVAL (operands[4]) & 1)); + return \"xxpermdi %x0,%x1,%x3,%5\"; +} + [(set_attr "type" "vecperm")]) + +;; V2DF/V2DI splat +(define_insn "vsx_splat_<mode>" + [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd,wd,wd,?wa,?wa,?wa") + (vec_duplicate:VSX_D + (match_operand:<VS_scalar> 1 "input_operand" "ws,f,Z,wa,wa,Z")))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "@ + xxpermdi %x0,%x1,%x1,0 + xxpermdi %x0,%x1,%x1,0 + lxvdsx %x0,%y1 + xxpermdi %x0,%x1,%x1,0 + xxpermdi %x0,%x1,%x1,0 + lxvdsx %x0,%y1" + [(set_attr "type" "vecperm,vecperm,vecload,vecperm,vecperm,vecload")]) + +;; V4SF/V4SI splat +(define_insn "vsx_xxspltw_<mode>" + [(set (match_operand:VSX_W 0 "vsx_register_operand" "=wf,?wa") + (vec_duplicate:VSX_W + (vec_select:<VS_scalar> + (match_operand:VSX_W 1 "vsx_register_operand" "wf,wa") + (parallel + [(match_operand:QI 2 "u5bit_cint_operand" "i,i")]))))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxspltw %x0,%x1,%2" + [(set_attr "type" "vecperm")]) + +;; V4SF/V4SI interleave +(define_insn "vsx_xxmrghw_<mode>" + [(set (match_operand:VSX_W 0 "vsx_register_operand" "=wf,?wa") + (vec_merge:VSX_W + (vec_select:VSX_W + (match_operand:VSX_W 1 "vsx_register_operand" "wf,wa") + (parallel [(const_int 0) + (const_int 2) + (const_int 1) + (const_int 3)])) + (vec_select:VSX_W + (match_operand:VSX_W 2 "vsx_register_operand" "wf,wa") + (parallel [(const_int 2) + (const_int 0) + (const_int 3) + (const_int 1)])) + (const_int 5)))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxmrghw %x0,%x1,%x2" + [(set_attr "type" "vecperm")]) + +(define_insn "vsx_xxmrglw_<mode>" + [(set (match_operand:VSX_W 0 "vsx_register_operand" "=wf,?wa") + (vec_merge:VSX_W + (vec_select:VSX_W + (match_operand:VSX_W 1 "vsx_register_operand" "wf,wa") + (parallel [(const_int 2) + (const_int 0) + (const_int 3) + (const_int 1)])) + (vec_select:VSX_W + (match_operand:VSX_W 2 "vsx_register_operand" "wf,?wa") + (parallel [(const_int 0) + (const_int 2) + (const_int 1) + (const_int 3)])) + (const_int 5)))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxmrglw %x0,%x1,%x2" + [(set_attr "type" "vecperm")]) + +;; Shift left double by word immediate +(define_insn "vsx_xxsldwi_<mode>" + [(set (match_operand:VSX_L 0 "vsx_register_operand" "=wa") + (unspec:VSX_L [(match_operand:VSX_L 1 "vsx_register_operand" "wa") + (match_operand:VSX_L 2 "vsx_register_operand" "wa") + (match_operand:QI 3 "u5bit_cint_operand" "i")] + UNSPEC_VSX_SLDWI))] + "VECTOR_MEM_VSX_P (<MODE>mode)" + "xxsldwi %x0,%x1,%x2,%3" + [(set_attr "type" "vecperm")]) |