aarch64: Extend %R for integer registers

	* config/aarch64/aarch64.c (aarch64_print_operand): Allow integer
	registers with %R.

From-SVN: r275964

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 279974cfab5dc2068bad34c84ca4657a245eb507..3081b8be62d5031a2c5eb11f98f2513cec505095 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-09-19  Richard Henderson  <richard.henderson@linaro.org>
+
+       * config/aarch64/aarch64.c (aarch64_print_operand): Allow integer
+       registers with %R.
+
 2019-09-19  Feng Xue  <fxue@os.amperecomputing.com>
 
        * ipa-fnsummary.c (set_cond_stmt_execution_predicate): Do not compute

diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 232317d4a5a4a16529f573eef5a8d7a068068207..99d51e2aef9ecdd9c68a2d541a54765f3e15ae1b 100644 (file)
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -8420,7 +8420,7 @@ sizetochar (int size)
      'S/T/U/V':                Print a FP/SIMD register name for a register list.
                        The register printed is the FP/SIMD register name
                        of X + 0/1/2/3 for S/T/U/V.
-     'R':              Print a scalar FP/SIMD register name + 1.
+     'R':              Print a scalar Integer/FP/SIMD register name + 1.
      'X':              Print bottom 16 bits of integer constant in hex.
      'w/x':            Print a general register name or the zero register
                        (32-bit or 64-bit).
@@ -8623,12 +8623,13 @@ aarch64_print_operand (FILE *f, rtx x, int code)
       break;
 
     case 'R':
-      if (!REG_P (x) || !FP_REGNUM_P (REGNO (x)))
-       {
-         output_operand_lossage ("incompatible floating point / vector register operand for '%%%c'", code);
-         return;
-       }
-      asm_fprintf (f, "q%d", REGNO (x) - V0_REGNUM + 1);
+      if (REG_P (x) && FP_REGNUM_P (REGNO (x)))
+       asm_fprintf (f, "q%d", REGNO (x) - V0_REGNUM + 1);
+      else if (REG_P (x) && GP_REGNUM_P (REGNO (x)))
+       asm_fprintf (f, "x%d", REGNO (x) - R0_REGNUM + 1);
+      else
+       output_operand_lossage ("incompatible register operand for '%%%c'",
+                               code);
       break;
 
     case 'X':