bfin.c (bfin_expand_builtin, [...]): Force constants to registers for the operands.

gcc/
	* config/bfin/bfin.c (bfin_expand_builtin,
	case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
	operands.
	From Jie Zhang <jie.zhang@analog.com>:
	* config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
	before use in two places.
	* config/bfin/bfin.md (AREG): Define mode iterator.
	(reload_in, reload_out): Use mode iterator AREG.

gcc/testsuite/
	* gcc.target/bfin/20090914-1.c: New test.
	* gcc.target/bfin/20090914-2.c: New test.
	* gcc.target/bfin/20090914-3.c: New test.

From-SVN: r151687

gcc/ChangeLog

@@ -9,6 +9,15 @@
 	(bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
 	with saveall attribute.
 
+	* config/bfin/bfin.c (bfin_expand_builtin,
+	case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
+	operands.
+	From Jie Zhang <jie.zhang@analog.com>:
+	* config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
+	before use in two places.
+	* config/bfin/bfin.md (AREG): Define mode iterator.
+	(reload_in, reload_out): Use mode iterator AREG.
+
 2009-09-14  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/41350

gcc/config/bfin/bfin.c

@@ -6342,6 +6342,10 @@ bfin_expand_builtin (tree exp, rtx target ATTRIBUTE_UNUSED,
       if (! target
 	  || !register_operand (target, SImode))
 	target = gen_reg_rtx (SImode);
+      if (! register_operand (op0, SImode))
+	op0 = copy_to_mode_reg (SImode, op0);
+      if (! register_operand (op1, SImode))
+	op1 = copy_to_mode_reg (SImode, op1);
 
       a1reg = gen_rtx_REG (PDImode, REG_A1);
       a0reg = gen_rtx_REG (PDImode, REG_A0);
@@ -6395,6 +6399,7 @@ bfin_expand_builtin (tree exp, rtx target ATTRIBUTE_UNUSED,
       op0 = expand_expr (arg0, NULL_RTX, VOIDmode, 0);
       op1 = expand_expr (arg1, NULL_RTX, VOIDmode, 0);
       accvec = gen_reg_rtx (V2PDImode);
+      icode = CODE_FOR_flag_macv2hi_parts;
 
       if (! target
 	  || GET_MODE (target) != V2HImode
@@ -6431,6 +6436,7 @@ bfin_expand_builtin (tree exp, rtx target ATTRIBUTE_UNUSED,
       op1 = expand_expr (arg1, NULL_RTX, VOIDmode, 0);
       op2 = expand_expr (arg2, NULL_RTX, VOIDmode, 0);
       accvec = gen_reg_rtx (V2PDImode);
+      icode = CODE_FOR_flag_macv2hi_parts;
 
       if (! target
 	  || GET_MODE (target) != V2HImode

gcc/config/bfin/bfin.md

@@ -1841,9 +1841,11 @@
   DONE;
 })
 
-(define_insn "reload_inpdi"
-  [(set (match_operand:PDI 0 "register_operand" "=e")
-	(match_operand:PDI 1 "memory_operand" "m"))
+(define_mode_iterator AREG [PDI V2PDI])
+
+(define_insn "reload_in<mode>"
+  [(set (match_operand:AREG 0 "register_operand" "=e")
+	(match_operand:AREG 1 "memory_operand" "m"))
    (clobber (match_operand:SI 2 "register_operand" "=d"))]
   ""
 {
@@ -1861,9 +1863,9 @@
   (set_attr "type" "mcld")
   (set_attr "length" "12")])
 
-(define_insn "reload_outpdi"
-  [(set (match_operand:PDI 0 "memory_operand" "=m")
-	(match_operand:PDI 1 "register_operand" "e"))
+(define_insn "reload_out<mode>"
+  [(set (match_operand:AREG 0 "memory_operand" "=m")
+	(match_operand:AREG 1 "register_operand" "e"))
    (clobber (match_operand:SI 2 "register_operand" "=d"))]
   ""
 {

gcc/testsuite/ChangeLog

@@ -2,6 +2,10 @@
 
 	From Jie Zhang <jie.zhang@analog.com>:
 	* gcc.target/bfin/saveall.c: New test.
+	* gcc.target/bfin/20090914-1.c: New test.
+	* gcc.target/bfin/20090914-2.c: New test.
+
+	* gcc.target/bfin/20090914-3.c: New test.
 
 2009-09-14  Andrew Stubbs  <ams@codesourcery.com>
 

gcc/testsuite/gcc.target/bfin/20090914-1.c

+/* { dg-do compile { target bfin-*-* } } */
+
+typedef short __v2hi __attribute__ ((vector_size (4)));
+typedef __v2hi raw2x16;
+typedef raw2x16 fract2x16;
+
+typedef short fract16;
+typedef struct complex_fract16
+{
+  fract16 re;
+  fract16 im;
+} __attribute__ ((aligned (4))) complex_fract16;
+
+typedef union composite_complex_fract16
+{
+  struct complex_fract16 x;
+  long raw;
+} composite_complex_fract16;
+
+__inline__ __attribute__ ((always_inline))
+static complex_fract16 cmsu_fr16 (complex_fract16 _sum,
+				  complex_fract16 _a, complex_fract16 _b)
+{
+  complex_fract16 r;
+  fract2x16 i =
+    __builtin_bfin_cmplx_msu (__builtin_bfin_compose_2x16
+			      ((_sum).im, (_sum).re),
+			      __builtin_bfin_compose_2x16 ((_a).im, (_a).re),
+			      __builtin_bfin_compose_2x16 ((_b).im, (_b).re));
+  (r).re = __builtin_bfin_extract_lo (i);
+  (r).im = __builtin_bfin_extract_hi (i);
+  return r;
+}
+
+composite_complex_fract16
+f (complex_fract16 _sum, complex_fract16 _a, complex_fract16 _b)
+{
+  return (composite_complex_fract16) cmsu_fr16 (_sum, _a, _b);
+}

gcc/testsuite/gcc.target/bfin/20090914-2.c

+/* { dg-do compile { target bfin-*-* } } */
+
+typedef short fract16;
+typedef short __v2hi __attribute__ ((vector_size (4)));
+typedef __v2hi raw2x16;
+typedef raw2x16 fract2x16;
+typedef struct complex_fract16 {
+  fract16 re;
+  fract16 im;
+} __attribute__((aligned(4))) complex_fract16;
+
+
+__inline__
+__attribute__ ((always_inline))
+static complex_fract16 cmlt_fr16 (complex_fract16 _a,
+				  complex_fract16 _b)
+{
+  complex_fract16 r;
+  fract2x16 i;
+
+  i = __builtin_bfin_cmplx_mul(__builtin_bfin_compose_2x16((_a).im, (_a).re),
+			       __builtin_bfin_compose_2x16((_b).im, (_b).re));
+  (r).re = __builtin_bfin_extract_lo(i);
+  (r).im = __builtin_bfin_extract_hi(i);
+  return r;
+}
+
+
+complex_fract16 f(complex_fract16 a, complex_fract16 b) {
+  return cmlt_fr16(a, b);
+}

gcc/testsuite/gcc.target/bfin/20090914-3.c

+/* { dg-do compile { target bfin-*-* } } */
+typedef long fract32;
+main() {
+  fract32 val_tmp;
+  fract32 val1 = 0x7FFFFFFF;
+  fract32 val2 = 0x40000000;
+  val_tmp = __builtin_bfin_mult_fr1x32x32 (0x06666667, val1);
+  val2 = __builtin_bfin_mult_fr1x32x32 (0x79999999, val2);
+  val2 = __builtin_bfin_add_fr1x32 (val_tmp, val2);
+}