2020-04-16 Andre Vieira <andre.simoesdiasvie...@arm.com>
Backport from mainline.
2019-09-19 Richard Henderson <richard.hender...@linaro.org>
* config/aarch64/aarch64.c (aarch64_print_operand): Allow integer
registers with %R.
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index
1068cfd899a759c506e3217e1e2c19cd778b4372..317571e018c4f96046799675e042cdfaabb5b94a
100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -6627,7 +6627,7 @@ 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).
@@ -6813,12 +6813,13 @@ 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':
