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From: Richard Henderson <richard.henderson@linaro.org>
To: gcc-patches@gcc.gnu.org
Cc: ramana.radhakrishnan@arm.com,	agraf@suse.de,
	marcus.shawcroft@arm.com,	james.greenhalgh@arm.com,
	Richard Henderson <rth@twiddle.net>
Subject: [PATCH, AArch64, v3 1/6] aarch64: Extend %R for integer registers
Date: Thu, 01 Nov 2018 21:46:00 -0000	[thread overview]
Message-ID: <20181101214648.29432-2-richard.henderson@linaro.org> (raw)
In-Reply-To: <20181101214648.29432-1-richard.henderson@linaro.org>

From: Richard Henderson <rth@twiddle.net>

	* config/aarch64/aarch64.c (aarch64_print_operand): Allow integer
	registers with %R.
---
 gcc/config/aarch64/aarch64.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index b44ee40115d..930f27d9bac 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -7102,7 +7102,7 @@ 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).
@@ -7294,12 +7294,13 @@ 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':
-- 
2.17.2

  parent reply	other threads:[~2018-11-01 21:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-01 21:47 [PATCH, AArch64, v3 0/6] LSE atomics out-of-line Richard Henderson
2018-11-01 21:46 ` [PATCH, AArch64, v3 2/6] aarch64: Implement TImode compare-and-swap Richard Henderson
2018-11-01 21:46 ` Richard Henderson [this message]
2018-11-01 21:47 ` [PATCH, AArch64, v3 6/6] Enable -matomic-ool by default Richard Henderson
2018-11-01 21:47 ` [PATCH, AArch64, v3 3/6] aarch64: Tidy aarch64_split_compare_and_swap Richard Henderson
2018-11-01 21:47 ` [PATCH, AArch64, v3 5/6] aarch64: Implement -matomic-ool Richard Henderson
2019-09-05  9:56   ` Kyrill Tkachov
2019-09-05 12:17     ` Richard Henderson
2018-11-01 21:47 ` [PATCH, AArch64, v3 4/6] aarch64: Add out-of-line functions for LSE atomics Richard Henderson
2019-09-05 10:00   ` Kyrill Tkachov
2019-09-05 12:13     ` Richard Henderson
2019-09-05 12:53       ` Kyrill Tkachov
2018-11-11 12:30 ` [PATCH, AArch64, v3 0/6] LSE atomics out-of-line Richard Henderson
2019-09-05  9:51 ` Kyrill Tkachov

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