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gcc/
[pf3gnuchains/gcc-fork.git] / gcc / config / mips / mips-ps-3d.md
index 911c4a4..30ca7cd 100644 (file)
@@ -1,11 +1,11 @@
 ;; MIPS Paired-Single Floating and MIPS-3D Instructions.
-;; Copyright (C) 2004 Free Software Foundation, Inc.
+;; Copyright (C) 2004, 2007, 2010 Free Software Foundation, Inc.
 ;;
 ;; 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 2, or (at your option)
+;; 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,
 ;; 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 COPYING.  If not, write to
-;; the Free Software Foundation, 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GCC; see the file COPYING3.  If not see
+;; <http://www.gnu.org/licenses/>.
+
+(define_c_enum "unspec" [
+  UNSPEC_MOVE_TF_PS
+  UNSPEC_C
+
+  ;; MIPS64/MIPS32R2 alnv.ps
+  UNSPEC_ALNV_PS
+
+  ;; MIPS-3D instructions
+  UNSPEC_CABS
+
+  UNSPEC_ADDR_PS
+  UNSPEC_CVT_PW_PS
+  UNSPEC_CVT_PS_PW
+  UNSPEC_MULR_PS
+  UNSPEC_ABS_PS
+
+  UNSPEC_RSQRT1
+  UNSPEC_RSQRT2
+  UNSPEC_RECIP1
+  UNSPEC_RECIP2
+  UNSPEC_SINGLE_CC
+  UNSPEC_SCC
+])
 
 (define_insn "*movcc_v2sf_<mode>"
   [(set (match_operand:V2SF 0 "register_operand" "=f,f")
@@ -26,7 +49,7 @@
                          (const_int 0)])
         (match_operand:V2SF 2 "register_operand" "f,0")
         (match_operand:V2SF 3 "register_operand" "0,f")))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
   "@
     mov%T4.ps\t%0,%2,%1
     mov%t4.ps\t%0,%3,%1"
@@ -39,7 +62,7 @@
                      (match_operand:V2SF 2 "register_operand" "0,f")
                      (match_operand:CCV2 3 "register_operand" "z,z")]
                     UNSPEC_MOVE_TF_PS))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
   "@
     movt.ps\t%0,%1,%3
     movf.ps\t%0,%2,%3"
        (if_then_else:V2SF (match_dup 5)
                           (match_operand:V2SF 2 "register_operand")
                           (match_operand:V2SF 3 "register_operand")))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
 {
   /* We can only support MOVN.PS and MOVZ.PS.
      NOTE: MOVT.PS and MOVF.PS have different semantics from MOVN.PS and 
           MOVZ.PS.  MOVT.PS and MOVF.PS depend on two CC values and move 
           each item independently.  */
 
-  if (GET_MODE_CLASS (GET_MODE (cmp_operands[0])) != MODE_INT)
+  if (GET_MODE_CLASS (GET_MODE (XEXP (operands[1], 0))) != MODE_INT)
     FAIL;
 
-  gen_conditional_move (operands);
+  mips_expand_conditional_move (operands);
   DONE;
 })
 
-; pul.ps - Pair Upper Lower
-(define_insn "mips_pul_ps"
+(define_insn "vec_perm_const_ps"
   [(set (match_operand:V2SF 0 "register_operand" "=f")
-       (vec_merge:V2SF
-        (match_operand:V2SF 1 "register_operand" "f")
-        (match_operand:V2SF 2 "register_operand" "f")
-        (const_int 2)))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
-  "pul.ps\t%0,%1,%2"
-  [(set_attr "type" "fmove")
-   (set_attr "mode" "SF")])
+       (vec_select:V2SF
+         (vec_concat:V4SF
+           (match_operand:V2SF 1 "register_operand" "f")
+           (match_operand:V2SF 2 "register_operand" "f"))
+         (parallel [(match_operand:SI 3 "const_0_or_1_operand" "")
+                    (match_operand:SI 4 "const_2_or_3_operand" "")])))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  /* Let <op>L be the lower part of operand <op> and <op>U be the upper part.
+     The P[UL][UL].PS instruction always specifies the upper part of the
+     result first, so the instruction is:
 
-; puu.ps - Pair upper upper
-(define_insn "mips_puu_ps"
-  [(set (match_operand:V2SF 0 "register_operand" "=f")
-       (vec_merge:V2SF
-        (match_operand:V2SF 1 "register_operand" "f")
-        (vec_select:V2SF (match_operand:V2SF 2 "register_operand" "f")
-                         (parallel [(const_int 1)
-                                    (const_int 0)]))
-        (const_int 2)))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
-  "puu.ps\t%0,%1,%2"
-  [(set_attr "type" "fmove")
-   (set_attr "mode" "SF")])
+       P<aUL><bUL>.PS %0,<aop>,<bop>
 
-; pll.ps - Pair Lower Lower
-(define_insn "mips_pll_ps"
-  [(set (match_operand:V2SF 0 "register_operand" "=f")
-       (vec_merge:V2SF
-        (vec_select:V2SF (match_operand:V2SF 1 "register_operand" "f")
-                         (parallel [(const_int 1)
-                                    (const_int 0)]))
-        (match_operand:V2SF 2 "register_operand" "f")
-        (const_int 2)))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
-  "pll.ps\t%0,%1,%2"
-  [(set_attr "type" "fmove")
-   (set_attr "mode" "SF")])
+     where 0U == <aop><aUL> and 0L == <bop><bUL>.
 
-; plu.ps - Pair Lower Upper
-(define_insn "mips_plu_ps"
-  [(set (match_operand:V2SF 0 "register_operand" "=f")
-       (vec_merge:V2SF
-        (vec_select:V2SF (match_operand:V2SF 1 "register_operand" "f")
-                         (parallel [(const_int 1)
-                                    (const_int 0)]))
-        (vec_select:V2SF (match_operand:V2SF 2 "register_operand" "f")
-                         (parallel [(const_int 1)
-                                    (const_int 0)]))
-        (const_int 2)))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
-  "plu.ps\t%0,%1,%2"
+     GCC's vector indices are specified in memory order, which means
+     that vector element 0 is the lower part (L) on little-endian targets
+     and the upper part (U) on big-endian targets.  vec_concat likewise
+     concatenates in memory order, which means that operand 3 (being
+     0 or 1) selects part of operand 1 and operand 4 (being 2 or 3)
+     selects part of operand 2.
+
+     Let:
+
+       I3 = INTVAL (operands[3])
+       I4 = INTVAL (operands[4]) - 2
+
+     Taking the two endiannesses in turn:
+
+     Little-endian:
+
+        The semantics of the RTL pattern are:
+
+       { 0L, 0U } = { X[I3], X[I4 + 2] }, where X = { 1L, 1U, 2L, 2U }
+
+       so: 0L = { 1L, 1U }[I3] (= <bop><bUL>)
+           0U = { 2L, 2U }[I4] (= <aop><aUL>)
+
+           <aop> = 2, <aUL> = I4 ? U : L
+           <bop> = 1, <bUL> = I3 ? U : L
+
+           [LL] !I4 && !I3   [UL] I4 && !I3
+           [LU] !I4 && I3    [UU] I4 && I3
+
+     Big-endian:
+
+        The semantics of the RTL pattern are:
+
+       { 0U, 0L } = { X[I3], X[I4 + 2] }, where X = { 1U, 1L, 2U, 2L }
+
+       so: 0U = { 1U, 1L }[I3] (= <aop><aUL>)
+           0L = { 2U, 2L }[I4] (= <bop><bUL>)
+
+           <aop> = 1, <aUL> = I3 ? L : U
+           <bop> = 2, <bUL> = I4 ? L : U
+
+           [UU] !I3 && !I4   [UL] !I3 && I4
+           [LU] I3 && !I4    [LL] I3 && I4.  */
+
+  static const char * const mnemonics[2][4] = {
+    /* LE */ { "pll.ps\t%0,%2,%1", "pul.ps\t%0,%2,%1",
+              "plu.ps\t%0,%2,%1", "puu.ps\t%0,%2,%1" },
+    /* BE */ { "puu.ps\t%0,%1,%2", "pul.ps\t%0,%1,%2",
+              "plu.ps\t%0,%1,%2", "pll.ps\t%0,%1,%2" },
+  };
+
+  unsigned mask = INTVAL (operands[3]) * 2 + (INTVAL (operands[4]) - 2);
+  return mnemonics[BYTES_BIG_ENDIAN][mask];
+}
   [(set_attr "type" "fmove")
    (set_attr "mode" "SF")])
 
+(define_expand "vec_perm_constv2sf"
+  [(match_operand:V2SF 0 "register_operand" "")
+   (match_operand:V2SF 1 "register_operand" "")
+   (match_operand:V2SF 2 "register_operand" "")
+   (match_operand:V2SI 3 "" "")]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  if (mips_expand_vec_perm_const (operands))
+    DONE;
+  else
+    FAIL;
+})
+
+;; Expanders for builtins.  The instruction:
+;;
+;;     P[UL][UL].PS <result>, <a>, <b>
+;;
+;; says that the upper part of <result> is taken from half of <a> and
+;; the lower part of <result> is taken from half of <b>.  This means
+;; that the P[UL][UL].PS operand order matches memory order on big-endian
+;; targets; <a> is element 0 of the V2SF result while <b> is element 1.
+;; However, the P[UL][UL].PS operand order is the reverse of memory order
+;; on little-endian targets; <a> is element 1 of the V2SF result while
+;; <b> is element 0.  The arguments to vec_perm_const_ps are always in
+;; memory order.
+;;
+;; Similarly, "U" corresponds to element 0 on big-endian targets but
+;; to element 1 on little-endian targets.
+
+(define_expand "mips_puu_ps"
+  [(match_operand:V2SF 0 "register_operand" "")
+   (match_operand:V2SF 1 "register_operand" "")
+   (match_operand:V2SF 2 "register_operand" "")]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  if (BYTES_BIG_ENDIAN)
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
+                                     const0_rtx, const2_rtx));
+  else
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
+                                     const1_rtx, GEN_INT (3)));
+  DONE;
+})
+
+(define_expand "mips_pul_ps"
+  [(match_operand:V2SF 0 "register_operand" "")
+   (match_operand:V2SF 1 "register_operand" "")
+   (match_operand:V2SF 2 "register_operand" "")]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  if (BYTES_BIG_ENDIAN)
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
+                                     const0_rtx, GEN_INT (3)));
+  else
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
+                                     const0_rtx, GEN_INT (3)));
+  DONE;
+})
+
+(define_expand "mips_plu_ps"
+  [(match_operand:V2SF 0 "register_operand" "")
+   (match_operand:V2SF 1 "register_operand" "")
+   (match_operand:V2SF 2 "register_operand" "")]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  if (BYTES_BIG_ENDIAN)
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
+                                     const1_rtx, const2_rtx));
+  else
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
+                                     const1_rtx, const2_rtx));
+  DONE;
+})
+
+(define_expand "mips_pll_ps"
+  [(match_operand:V2SF 0 "register_operand" "")
+   (match_operand:V2SF 1 "register_operand" "")
+   (match_operand:V2SF 2 "register_operand" "")]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  if (BYTES_BIG_ENDIAN)
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[1], operands[2],
+                                     const1_rtx, GEN_INT (3)));
+  else
+    emit_insn (gen_vec_perm_const_ps (operands[0], operands[2], operands[1],
+                                     const0_rtx, const2_rtx));
+  DONE;
+})
+
 ; vec_init
 (define_expand "vec_initv2sf"
   [(match_operand:V2SF 0 "register_operand")
    (match_operand:V2SF 1 "")]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
 {
-  rtx op0 = force_reg (SFmode, XVECEXP (operands[1], 0, 0));
-  rtx op1 = force_reg (SFmode, XVECEXP (operands[1], 0, 1));
-  emit_insn (gen_vec_initv2sf_internal (operands[0], op0, op1));
+  mips_expand_vector_init (operands[0], operands[1]);
   DONE;
 })
 
-(define_insn "vec_initv2sf_internal"
+(define_insn "vec_concatv2sf"
   [(set (match_operand:V2SF 0 "register_operand" "=f")
        (vec_concat:V2SF
         (match_operand:SF 1 "register_operand" "f")
         (match_operand:SF 2 "register_operand" "f")))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
 {
   if (BYTES_BIG_ENDIAN)
     return "cvt.ps.s\t%0,%1,%2";
        (vec_select:SF (match_operand:V2SF 1 "register_operand" "f")
                       (parallel
                        [(match_operand 2 "const_0_or_1_operand" "")])))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
 {
   if (INTVAL (operands[2]) == !BYTES_BIG_ENDIAN)
     return "cvt.s.pu\t%0,%1";
 ;; no other way to get a vector mode bitfield store currently.
 
 (define_expand "vec_setv2sf"
-  [(match_operand:V2SF 0 "register_operand")
-   (match_operand:SF 1 "register_operand")
-   (match_operand 2 "const_0_or_1_operand")]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  [(set (match_operand:V2SF 0 "register_operand" "")
+       (vec_select:V2SF
+         (vec_concat:V4SF
+           (match_operand:SF 1 "register_operand" "")
+           (match_dup 0))
+         (parallel [(match_operand 2 "const_0_or_1_operand" "")
+                    (match_dup 3)])))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
 {
-  rtx temp;
-
   /* We don't have an insert instruction, so we duplicate the float, and
      then use a PUL instruction.  */
-  temp = gen_reg_rtx (V2SFmode);
-  emit_insn (gen_mips_cvt_ps_s (temp, operands[1], operands[1]));
-  if (INTVAL (operands[2]) == !BYTES_BIG_ENDIAN)
-    emit_insn (gen_mips_pul_ps (operands[0], temp, operands[0]));
-  else
-    emit_insn (gen_mips_pul_ps (operands[0], operands[0], temp));
-  DONE;
+  rtx temp = gen_reg_rtx (V2SFmode);
+  emit_insn (gen_vec_concatv2sf (temp, operands[1], operands[1]));
+  operands[1] = temp;
+  operands[3] = GEN_INT (1 - INTVAL (operands[2]) + 2);
 })
 
 ; cvt.ps.s - Floating Point Convert Pair to Paired Single
   [(match_operand:V2SF 0 "register_operand")
    (match_operand:SF 1 "register_operand")
    (match_operand:SF 2 "register_operand")]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
 {
   if (BYTES_BIG_ENDIAN)
-    emit_insn (gen_vec_initv2sf_internal (operands[0], operands[1],
-              operands[2]));
+    emit_insn (gen_vec_concatv2sf (operands[0], operands[1], operands[2]));
   else
-    emit_insn (gen_vec_initv2sf_internal (operands[0], operands[2],
-              operands[1]));
+    emit_insn (gen_vec_concatv2sf (operands[0], operands[2], operands[1]));
   DONE;
 })
 
   [(set (match_operand:SF 0 "register_operand")
        (vec_select:SF (match_operand:V2SF 1 "register_operand")
                       (parallel [(match_dup 2)])))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
   { operands[2] = GEN_INT (BYTES_BIG_ENDIAN); })
 
 ; cvt.s.pu - Floating Point Convert Pair Upper to Single Floating Point
   [(set (match_operand:SF 0 "register_operand")
        (vec_select:SF (match_operand:V2SF 1 "register_operand")
                       (parallel [(match_dup 2)])))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
   { operands[2] = GEN_INT (!BYTES_BIG_ENDIAN); })
 
 ; alnv.ps - Floating Point Align Variable
                      (match_operand:V2SF 2 "register_operand" "f")
                      (match_operand:SI 3 "register_operand" "d")]
                     UNSPEC_ALNV_PS))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
   "alnv.ps\t%0,%1,%2,%3"
   [(set_attr "type" "fmove")
    (set_attr "mode" "SF")])
        (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
                      (match_operand:V2SF 2 "register_operand" "f")]
                     UNSPEC_ADDR_PS))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "addr.ps\t%0,%1,%2"
   [(set_attr "type" "fadd")
    (set_attr "mode" "SF")])
 
+(define_insn "reduc_splus_v2sf"
+  [(set (match_operand:V2SF 0 "register_operand" "=f")
+       (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
+                     (match_dup 1)]
+                    UNSPEC_ADDR_PS))]
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
+  "")
+
 ; cvt.pw.ps - Floating Point Convert Paired Single to Paired Word
 (define_insn "mips_cvt_pw_ps"
   [(set (match_operand:V2SF 0 "register_operand" "=f")
        (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
                     UNSPEC_CVT_PW_PS))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "cvt.pw.ps\t%0,%1"
   [(set_attr "type" "fcvt")
    (set_attr "mode" "SF")])
   [(set (match_operand:V2SF 0 "register_operand" "=f")
        (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
                     UNSPEC_CVT_PS_PW))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "cvt.ps.pw\t%0,%1"
   [(set_attr "type" "fcvt")
    (set_attr "mode" "SF")])
        (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")
                      (match_operand:V2SF 2 "register_operand" "f")]
                     UNSPEC_MULR_PS))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "mulr.ps\t%0,%1,%2"
   [(set_attr "type" "fmul")
    (set_attr "mode" "SF")])
 
+; abs.ps
+(define_expand "mips_abs_ps"
+  [(set (match_operand:V2SF 0 "register_operand")
+       (unspec:V2SF [(match_operand:V2SF 1 "register_operand")]
+                    UNSPEC_ABS_PS))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  /* If we can ignore NaNs, this operation is equivalent to the
+     rtl ABS code.  */
+  if (!HONOR_NANS (V2SFmode))
+    {
+      emit_insn (gen_absv2sf2 (operands[0], operands[1]));
+      DONE;
+    }
+})
+
+(define_insn "*mips_abs_ps"
+  [(set (match_operand:V2SF 0 "register_operand" "=f")
+       (unspec:V2SF [(match_operand:V2SF 1 "register_operand" "f")]
+                    UNSPEC_ABS_PS))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+  "abs.ps\t%0,%1"
+  [(set_attr "type" "fabs")
+   (set_attr "mode" "SF")])
+
 ;----------------------------------------------------------------------------
 ; Floating Point Comparisons for Scalars
 ;----------------------------------------------------------------------------
                    (match_operand:SCALARF 2 "register_operand" "f")
                    (match_operand 3 "const_int_operand" "")]
                   UNSPEC_CABS))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "cabs.%Y3.<fmt>\t%0,%1,%2"
   [(set_attr "type" "fcmp")
    (set_attr "mode" "FPSW")])
                      (match_operand:V2SF 4 "register_operand" "f")
                      (match_operand 5 "const_int_operand" "")]
                     UNSPEC_C))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
   "#"
   "&& reload_completed"
   [(set (match_dup 6)
                      (match_operand:V2SF 4 "register_operand" "f")
                      (match_operand 5 "const_int_operand" "")]
                     UNSPEC_CABS))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "#"
   "&& reload_completed"
   [(set (match_dup 6)
                      (match_operand:V2SF 2 "register_operand" "f")
                      (match_operand 3 "const_int_operand" "")]
                     UNSPEC_C))]
-  "TARGET_PAIRED_SINGLE_FLOAT"
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
   "c.%Y3.ps\t%0,%1,%2"
   [(set_attr "type" "fcmp")
    (set_attr "mode" "FPSW")])
                      (match_operand:V2SF 2 "register_operand" "f")
                      (match_operand 3 "const_int_operand" "")]
                     UNSPEC_CABS))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "cabs.%Y3.ps\t%0,%1,%2"
   [(set_attr "type" "fcmp")
    (set_attr "mode" "FPSW")])
 
+;; An expander for generating an scc operation.
+(define_expand "scc_ps"
+  [(set (match_operand:CCV2 0)
+       (unspec:CCV2 [(match_operand 1)] UNSPEC_SCC))])
+
+(define_insn "s<code>_ps"
+  [(set (match_operand:CCV2 0 "register_operand" "=z")
+       (unspec:CCV2
+          [(fcond (match_operand:V2SF 1 "register_operand" "f")
+                  (match_operand:V2SF 2 "register_operand" "f"))]
+          UNSPEC_SCC))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+  "c.<fcond>.ps\t%0,%1,%2"
+  [(set_attr "type" "fcmp")
+   (set_attr "mode" "FPSW")])
+
+(define_insn "s<code>_ps"
+  [(set (match_operand:CCV2 0 "register_operand" "=z")
+       (unspec:CCV2
+          [(swapped_fcond (match_operand:V2SF 1 "register_operand" "f")
+                          (match_operand:V2SF 2 "register_operand" "f"))]
+          UNSPEC_SCC))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+  "c.<swapped_fcond>.ps\t%0,%2,%1"
+  [(set_attr "type" "fcmp")
+   (set_attr "mode" "FPSW")])
 
 ;----------------------------------------------------------------------------
 ; Floating Point Branch Instructions.
 ; Branch on Any of Four Floating Point Condition Codes True
 (define_insn "bc1any4t"
   [(set (pc)
-       (if_then_else (ne:CCV4 (match_operand:CCV4 0 "register_operand" "z")
-                              (const_int 0))
-                     (label_ref (match_operand 1 "" ""))
+       (if_then_else (ne (match_operand:CCV4 1 "register_operand" "z")
+                         (const_int 0))
+                     (label_ref (match_operand 0 "" ""))
                      (pc)))]
-  "TARGET_MIPS3D"
-  "%*bc1any4t\t%0,%1%/"
-  [(set_attr "type" "branch")
-   (set_attr "mode" "none")])
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
+  "%*bc1any4t\t%1,%0%/"
+  [(set_attr "type" "branch")])
 
 ; Branch on Any of Four Floating Point Condition Codes False
 (define_insn "bc1any4f"
   [(set (pc)
-       (if_then_else (ne:CCV4 (match_operand:CCV4 0 "register_operand" "z")
-                              (const_int -1))
-                     (label_ref (match_operand 1 "" ""))
+       (if_then_else (ne (match_operand:CCV4 1 "register_operand" "z")
+                         (const_int -1))
+                     (label_ref (match_operand 0 "" ""))
                      (pc)))]
-  "TARGET_MIPS3D"
-  "%*bc1any4f\t%0,%1%/"
-  [(set_attr "type" "branch")
-   (set_attr "mode" "none")])
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
+  "%*bc1any4f\t%1,%0%/"
+  [(set_attr "type" "branch")])
 
 ; Branch on Any of Two Floating Point Condition Codes True
 (define_insn "bc1any2t"
   [(set (pc)
-       (if_then_else (ne:CCV2 (match_operand:CCV2 0 "register_operand" "z")
-                              (const_int 0))
-                     (label_ref (match_operand 1 "" ""))
+       (if_then_else (ne (match_operand:CCV2 1 "register_operand" "z")
+                         (const_int 0))
+                     (label_ref (match_operand 0 "" ""))
                      (pc)))]
-  "TARGET_MIPS3D"
-  "%*bc1any2t\t%0,%1%/"
-  [(set_attr "type" "branch")
-   (set_attr "mode" "none")])
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
+  "%*bc1any2t\t%1,%0%/"
+  [(set_attr "type" "branch")])
 
 ; Branch on Any of Two Floating Point Condition Codes False
 (define_insn "bc1any2f"
   [(set (pc)
-       (if_then_else (ne:CCV2 (match_operand:CCV2 0 "register_operand" "z")
-                              (const_int -1))
-                     (label_ref (match_operand 1 "" ""))
+       (if_then_else (ne (match_operand:CCV2 1 "register_operand" "z")
+                         (const_int -1))
+                     (label_ref (match_operand 0 "" ""))
                      (pc)))]
-  "TARGET_MIPS3D"
-  "%*bc1any2f\t%0,%1%/"
-  [(set_attr "type" "branch")
-   (set_attr "mode" "none")])
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
+  "%*bc1any2f\t%1,%0%/"
+  [(set_attr "type" "branch")])
+
+; Used to access one register in a CCV2 pair.  Operand 0 is the register
+; pair and operand 1 is the index of the register we want (a CONST_INT).
+(define_expand "single_cc"
+  [(ne (unspec:CC [(match_operand 0) (match_operand 1)] UNSPEC_SINGLE_CC)
+       (const_int 0))])
+
+; This is a normal floating-point branch pattern, but rather than check
+; a single CCmode register, it checks one register in a CCV2 pair.
+; Operand 2 is the register pair and operand 3 is the index of the
+; register we want.
+(define_insn "*branch_upper_lower"
+  [(set (pc)
+        (if_then_else
+        (match_operator 1 "equality_operator"
+           [(unspec:CC [(match_operand:CCV2 2 "register_operand" "z")
+                        (match_operand 3 "const_int_operand")]
+                       UNSPEC_SINGLE_CC)
+            (const_int 0)])
+        (label_ref (match_operand 0 "" ""))
+        (pc)))]
+  "TARGET_HARD_FLOAT"
+{
+  operands[2]
+    = gen_rtx_REG (CCmode, REGNO (operands[2]) + INTVAL (operands[3]));
+  return mips_output_conditional_branch (insn, operands,
+                                        MIPS_BRANCH ("b%F1", "%2,%0"),
+                                        MIPS_BRANCH ("b%W1", "%2,%0"));
+}
+  [(set_attr "type" "branch")])
+
+; As above, but with the sense of the condition reversed.
+(define_insn "*branch_upper_lower_inverted"
+  [(set (pc)
+        (if_then_else
+        (match_operator 1 "equality_operator"
+           [(unspec:CC [(match_operand:CCV2 2 "register_operand" "z")
+                        (match_operand 3 "const_int_operand")]
+                       UNSPEC_SINGLE_CC)
+            (const_int 0)])
+        (pc)
+        (label_ref (match_operand 0 "" ""))))]
+  "TARGET_HARD_FLOAT"
+{
+  operands[2]
+    = gen_rtx_REG (CCmode, REGNO (operands[2]) + INTVAL (operands[3]));
+  return mips_output_conditional_branch (insn, operands,
+                                        MIPS_BRANCH ("b%W1", "%2,%0"),
+                                        MIPS_BRANCH ("b%F1", "%2,%0"));
+}
+  [(set_attr "type" "branch")])
 
 ;----------------------------------------------------------------------------
 ; Floating Point Reduced Precision Reciprocal Square Root Instructions.
   [(set (match_operand:ANYF 0 "register_operand" "=f")
        (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")]
                     UNSPEC_RSQRT1))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "rsqrt1.<fmt>\t%0,%1"
   [(set_attr "type" "frsqrt1")
    (set_attr "mode" "<UNITMODE>")])
        (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")
                      (match_operand:ANYF 2 "register_operand" "f")]
                     UNSPEC_RSQRT2))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "rsqrt2.<fmt>\t%0,%1,%2"
   [(set_attr "type" "frsqrt2")
    (set_attr "mode" "<UNITMODE>")])
   [(set (match_operand:ANYF 0 "register_operand" "=f")
        (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")]
                     UNSPEC_RECIP1))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "recip1.<fmt>\t%0,%1"
   [(set_attr "type" "frdiv1")
    (set_attr "mode" "<UNITMODE>")])
        (unspec:ANYF [(match_operand:ANYF 1 "register_operand" "f")
                      (match_operand:ANYF 2 "register_operand" "f")]
                     UNSPEC_RECIP2))]
-  "TARGET_MIPS3D"
+  "TARGET_HARD_FLOAT && TARGET_MIPS3D"
   "recip2.<fmt>\t%0,%1,%2"
   [(set_attr "type" "frdiv2")
    (set_attr "mode" "<UNITMODE>")])
+
+(define_expand "vcondv2sfv2sf"
+  [(set (match_operand:V2SF 0 "register_operand")
+       (if_then_else:V2SF
+         (match_operator 3 ""
+           [(match_operand:V2SF 4 "register_operand")
+            (match_operand:V2SF 5 "register_operand")])
+         (match_operand:V2SF 1 "register_operand")
+         (match_operand:V2SF 2 "register_operand")))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  mips_expand_vcondv2sf (operands[0], operands[1], operands[2],
+                        GET_CODE (operands[3]), operands[4], operands[5]);
+  DONE;
+})
+
+(define_expand "sminv2sf3"
+  [(set (match_operand:V2SF 0 "register_operand")
+       (smin:V2SF (match_operand:V2SF 1 "register_operand")
+                  (match_operand:V2SF 2 "register_operand")))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  mips_expand_vcondv2sf (operands[0], operands[1], operands[2],
+                        LE, operands[1], operands[2]);
+  DONE;
+})
+
+(define_expand "smaxv2sf3"
+  [(set (match_operand:V2SF 0 "register_operand")
+       (smax:V2SF (match_operand:V2SF 1 "register_operand")
+                  (match_operand:V2SF 2 "register_operand")))]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  mips_expand_vcondv2sf (operands[0], operands[1], operands[2],
+                        LE, operands[2], operands[1]);
+  DONE;
+})
+
+(define_expand "reduc_smin_v2sf"
+  [(match_operand:V2SF 0 "register_operand")
+   (match_operand:V2SF 1 "register_operand")]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  mips_expand_vec_reduc (operands[0], operands[1], gen_sminv2sf3);
+  DONE;
+})
+
+(define_expand "reduc_smax_v2sf"
+  [(match_operand:V2SF 0 "register_operand")
+   (match_operand:V2SF 1 "register_operand")]
+  "TARGET_HARD_FLOAT && TARGET_PAIRED_SINGLE_FLOAT"
+{
+  mips_expand_vec_reduc (operands[0], operands[1], gen_smaxv2sf3);
+  DONE;
+})