[ARM][1/7] Convert FP mnemonics to UAL | mov patterns.

	* config/arm/arm.c (output_move_vfp): Use UAL syntax for load/store
	multiple.
	(arm_print_operand): Don't convert real values to decimal
	representation in default case.
	(fp_immediate_constant): Delete.
	* config/arm/arm-protos.h (fp_immediate_constant): Likewise.
	* config/arm/vfp.md (*arm_movsi_vfp): Convert to VFP moves to UAL
	syntax.
	(*thumb2_movsi_vfp): Likewise.
	(*movdi_vfp): Likewise.
	(*movdi_vfp_cortexa8): Likewise.
	(*movhf_vfp_neon): Likewise.
	(*movhf_vfp): Likewise.
	(*movsf_vfp): Likewise.
	(*thumb2_movsf_vfp): Likewise.
	(*movdf_vfp): Likewise.
	(*thumb2_movdf_vfp): Likewise.
	(*movsfcc_vfp): Likewise.
	(*thumb2_movsfcc_vfp): Likewise.
	(*movdfcc_vfp): Likewise.
	(*thumb2_movdfcc_vfp): Likewise.

	* gcc.target/arm/pr51835.c: Update expected assembly.
	* gcc.target/arm/vfp-1.c: Likewise.
	* gcc.target/arm/vfp-ldmdbd.c: Likewise.
	* gcc.target/arm/vfp-ldmdbs.c: Likewise.
	* gcc.target/arm/vfp-ldmiad.c: Likewise.
	* gcc.target/arm/vfp-ldmias.c: Likewise.
	* gcc.target/arm/vfp-stmdbd.c: Likewise.
	* gcc.target/arm/vfp-stmdbs.c: Likewise.
	* gcc.target/arm/vfp-stmiad.c: Likewise.
	* gcc.target/arm/vfp-stmias.c: Likewise.

From-SVN: r215050

gcc/ChangeLog

+2014-09-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* config/arm/arm.c (output_move_vfp): Use UAL syntax for load/store
+	multiple.
+	(arm_print_operand): Don't convert real values to decimal
+	representation in default case.
+	(fp_immediate_constant): Delete.
+	* config/arm/arm-protos.h (fp_immediate_constant): Likewise.
+	* config/arm/vfp.md (*arm_movsi_vfp): Convert to VFP moves to UAL
+	syntax.
+	(*thumb2_movsi_vfp): Likewise.
+	(*movdi_vfp): Likewise.
+	(*movdi_vfp_cortexa8): Likewise.
+	(*movhf_vfp_neon): Likewise.
+	(*movhf_vfp): Likewise.
+	(*movsf_vfp): Likewise.
+	(*thumb2_movsf_vfp): Likewise.
+	(*movdf_vfp): Likewise.
+	(*thumb2_movdf_vfp): Likewise.
+	(*movsfcc_vfp): Likewise.
+	(*thumb2_movsfcc_vfp): Likewise.
+	(*movdfcc_vfp): Likewise.
+	(*thumb2_movdfcc_vfp): Likewise.
+
 2014-09-09  James Greenhalgh  <james.greenhalgh@arm.com>
 
 	* doc/invoke.texi (-march): Use GNU/Linux rather than Linux.

gcc/config/arm/arm-protos.h

@@ -126,7 +126,6 @@ extern int arm_max_const_double_inline_cost (void);
 extern int arm_const_double_inline_cost (rtx);
 extern bool arm_const_double_by_parts (rtx);
 extern bool arm_const_double_by_immediates (rtx);
-extern const char *fp_immediate_constant (rtx);
 extern void arm_emit_call_insn (rtx, rtx, bool);
 extern const char *output_call (rtx *);
 extern const char *output_call_mem (rtx *);

gcc/config/arm/arm.c

@@ -17539,24 +17539,7 @@ arm_reorg (void)
 
 /* Routines to output assembly language.  */
 
-/* If the rtx is the correct value then return the string of the number.
-   In this way we can ensure that valid double constants are generated even
-   when cross compiling.  */
-const char *
-fp_immediate_constant (rtx x)
-{
-  REAL_VALUE_TYPE r;
-
-  if (!fp_consts_inited)
-    init_fp_table ();
-
-  REAL_VALUE_FROM_CONST_DOUBLE (r, x);
-
-  gcc_assert (REAL_VALUES_EQUAL (r, value_fp0));
-  return "0";
-}
-
-/* As for fp_immediate_constant, but value is passed directly, not in rtx.  */
+/* Return string representation of passed in real value.  */
 static const char *
 fp_const_from_val (REAL_VALUE_TYPE *r)
 {
@@ -18472,19 +18455,19 @@ output_move_vfp (rtx *operands)
   switch (GET_CODE (addr))
     {
     case PRE_DEC:
-      templ = "f%smdb%c%%?\t%%0!, {%%%s1}%s";
+      templ = "v%smdb%%?.%s\t%%0!, {%%%s1}%s";
       ops[0] = XEXP (addr, 0);
       ops[1] = reg;
       break;
 
     case POST_INC:
-      templ = "f%smia%c%%?\t%%0!, {%%%s1}%s";
+      templ = "v%smia%%?.%s\t%%0!, {%%%s1}%s";
       ops[0] = XEXP (addr, 0);
       ops[1] = reg;
       break;
 
     default:
-      templ = "f%s%c%%?\t%%%s0, %%1%s";
+      templ = "v%sr%%?.%s\t%%%s0, %%1%s";
       ops[0] = reg;
       ops[1] = mem;
       break;
@@ -18492,7 +18475,7 @@ output_move_vfp (rtx *operands)
 
   sprintf (buff, templ,
 	   load ? "ld" : "st",
-	   dp ? 'd' : 's',
+	   dp ? "64" : "32",
 	   dp ? "P" : "",
 	   integer_p ? "\t%@ int" : "");
   output_asm_insn (buff, ops);
@@ -22144,15 +22127,12 @@ arm_print_operand (FILE *stream, rtx x, int code)
 	  break;
 
 	case CONST_DOUBLE:
-          if (TARGET_NEON)
-            {
-              char fpstr[20];
-              real_to_decimal (fpstr, CONST_DOUBLE_REAL_VALUE (x),
-			       sizeof (fpstr), 0, 1);
-              fprintf (stream, "#%s", fpstr);
-            }
-          else
-	    fprintf (stream, "#%s", fp_immediate_constant (x));
+	  {
+            char fpstr[20];
+            real_to_decimal (fpstr, CONST_DOUBLE_REAL_VALUE (x),
+			      sizeof (fpstr), 0, 1);
+            fprintf (stream, "#%s", fpstr);
+	  }
 	  break;
 
 	default:

gcc/testsuite/ChangeLog

+2014-09-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* gcc.target/arm/pr51835.c: Update expected assembly.
+	* gcc.target/arm/vfp-1.c: Likewise.
+	* gcc.target/arm/vfp-ldmdbd.c: Likewise.
+	* gcc.target/arm/vfp-ldmdbs.c: Likewise.
+	* gcc.target/arm/vfp-ldmiad.c: Likewise.
+	* gcc.target/arm/vfp-ldmias.c: Likewise.
+	* gcc.target/arm/vfp-stmdbd.c: Likewise.
+	* gcc.target/arm/vfp-stmdbs.c: Likewise.
+	* gcc.target/arm/vfp-stmiad.c: Likewise.
+	* gcc.target/arm/vfp-stmias.c: Likewise.
+
 2014-09-09  Tony Wang  <tony.wang@arm.com>
 
 	* gcc.target/arm/xordi3-opt.c: Disable this

gcc/testsuite/gcc.target/arm/pr51835.c

@@ -13,5 +13,5 @@ unsigned int func2 (double d)
   return (unsigned int)d;
 }
 
-/* { dg-final { scan-assembler-times "fmrrd\[\\t \]+r0,\[\\t \]*r1,\[\\t \]*d0" 2 { target { arm_little_endian } } } } */
-/* { dg-final { scan-assembler-times "fmrrd\[\\t \]+r1,\[\\t \]*r0,\[\\t \]*d0" 2 { target { ! arm_little_endian } } } } */
+/* { dg-final { scan-assembler-times "vmov\[\\t \]+r0,\[\\t \]*r1,\[\\t \]*d0" 2 { target { arm_little_endian } } } } */
+/* { dg-final { scan-assembler-times "vmov\[\\t \]+r1,\[\\t \]*r0,\[\\t \]*d0" 2 { target { ! arm_little_endian } } } } */

gcc/testsuite/gcc.target/arm/vfp-1.c

@@ -126,14 +126,14 @@ void test_convert () {
 }
 
 void test_ldst (float f[], double d[]) {
-  /* { dg-final { scan-assembler "flds.+ \\\[r0, #1020\\\]" } } */
-  /* { dg-final { scan-assembler "flds.+ \\\[r\[0-9\], #-1020\\\]" { target { arm32 && { ! arm_thumb2_ok } } } } } */
+  /* { dg-final { scan-assembler "vldr.32.+ \\\[r0, #1020\\\]" } } */
+  /* { dg-final { scan-assembler "vldr.32.+ \\\[r\[0-9\], #-1020\\\]" { target { arm32 && { ! arm_thumb2_ok } } } } } */
   /* { dg-final { scan-assembler "add.+ r0, #1024" } } */
-  /* { dg-final { scan-assembler "fsts.+ \\\[r\[0-9\]\\\]\n" } } */
+  /* { dg-final { scan-assembler "vstr.32.+ \\\[r\[0-9\]\\\]\n" } } */
   f[256] = f[255] + f[-255];
 
-  /* { dg-final { scan-assembler "fldd.+ \\\[r1, #1016\\\]" } } */
-  /* { dg-final { scan-assembler "fldd.+ \\\[r\[1-9\], #-1016\\\]" { target { arm32 && { ! arm_thumb2_ok } } } } } */
-  /* { dg-final { scan-assembler "fstd.+ \\\[r1, #256\\\]" } } */
+  /* { dg-final { scan-assembler "vldr.64.+ \\\[r1, #1016\\\]" } } */
+  /* { dg-final { scan-assembler "vldr.64.+ \\\[r\[1-9\], #-1016\\\]" { target { arm32 && { ! arm_thumb2_ok } } } } } */
+  /* { dg-final { scan-assembler "vstr.64.+ \\\[r1, #256\\\]" } } */
   d[32] = d[127] + d[-127];
 }

gcc/testsuite/gcc.target/arm/vfp-ldmdbd.c

@@ -13,4 +13,4 @@ foo (double *p, double a, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fldmdbd" } } */
+/* { dg-final { scan-assembler "vldmdb.64" } } */

gcc/testsuite/gcc.target/arm/vfp-ldmdbs.c

@@ -13,4 +13,4 @@ foo (float *p, float a, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fldmdbs" } } */
+/* { dg-final { scan-assembler "vldmdb.32" } } */

gcc/testsuite/gcc.target/arm/vfp-ldmiad.c

@@ -13,4 +13,4 @@ foo (double *p, double a, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fldmiad" } } */
+/* { dg-final { scan-assembler "vldmia.64" } } */

gcc/testsuite/gcc.target/arm/vfp-ldmias.c

@@ -13,4 +13,4 @@ foo (float *p, float a, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fldmias" } } */
+/* { dg-final { scan-assembler "vldmia.32" } } */

gcc/testsuite/gcc.target/arm/vfp-stmdbd.c

@@ -12,4 +12,4 @@ foo (double *p, double a, double b, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fstmdbd" } } */
+/* { dg-final { scan-assembler "vstmdb.64" } } */

gcc/testsuite/gcc.target/arm/vfp-stmdbs.c

@@ -12,4 +12,4 @@ foo (float *p, float a, float b, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fstmdbs" } } */
+/* { dg-final { scan-assembler "vstmdb.32" } } */

gcc/testsuite/gcc.target/arm/vfp-stmiad.c

@@ -12,4 +12,4 @@ foo (double *p, double a, double b, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fstmiad" } } */
+/* { dg-final { scan-assembler "vstmia.64" } } */

gcc/testsuite/gcc.target/arm/vfp-stmias.c

@@ -12,4 +12,4 @@ foo (float *p, float a, float b, int n)
   while (n--);
 }
 
-/* { dg-final { scan-assembler "fstmias" } } */
+/* { dg-final { scan-assembler "vstmia.32" } } */