meta-xilinx/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-7/0032-MicroBlaze-remove-bitfield-instructions-macros.patch

From 646fe1dbaca06f2fe2df4c0da3fa20e0aff0a4ec Mon Sep 17 00:00:00 2001
From: Nagaraju Mekala <nagaraju.mekala@xilinx.com>
Date: Sat, 26 Aug 2017 19:21:56 -0700
Subject: [PATCH] MicroBlaze remove bitfield instructions macros

Remove the conditions in the bit field expand macros to generate the
instructions in structure bit-field usecases

ChangeLog:

2018-08-16  Nagaraju Mekala  <nagaraju.mekala@xilinx.com>

	* gcc/config/microblaze/microblaze.md:
	  remove the expand constraints

Signed-off-by: Nagaraju Mekala <nagaraju.mekala@xilinx.com>
Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>
Upstream-Status: Pending
---
 gcc/config/microblaze/microblaze.md | 40 +++++--------------------------------
 1 file changed, 5 insertions(+), 35 deletions(-)

diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md
index 68c3b22bd4..ef53c3069e 100644
--- a/gcc/config/microblaze/microblaze.md
+++ b/gcc/config/microblaze/microblaze.md
@@ -2482,25 +2482,8 @@
 			 (match_operand:SI 2 "immediate_operand" "I")
 			 (match_operand:SI 3 "immediate_operand" "I")))]
 "TARGET_HAS_BITFIELD"
-"
-{
-  unsigned HOST_WIDE_INT len = UINTVAL (operands[2]);
-  unsigned HOST_WIDE_INT pos = UINTVAL (operands[3]);
-
-  if ((len == 0) || (pos + len > 32) )
-    FAIL;
-
-  ;;if (!register_operand (operands[1], VOIDmode))
-  ;;  FAIL;
-  if (operands[0] == operands[1])
-  FAIL;
-  if (GET_CODE (operands[1]) == ASHIFT)
-  FAIL;
-;;  operands[2] = GEN_INT(INTVAL(operands[2])+1 );
- emit_insn (gen_extv_32 (operands[0], operands[1],
-			  operands[2], operands[3]));
-  DONE;
-}")
+""
+)
 
 (define_insn "extv_32"
   [(set (match_operand:SI 0 "register_operand" "=r")
@@ -2518,22 +2501,9 @@
 			 (match_operand:SI 1 "immediate_operand" "I")
 			 (match_operand:SI 2 "immediate_operand" "I"))
 	(match_operand:SI 3 "register_operand" "r"))]
- "TARGET_HAS_BITFIELD"
-  "
-{
-  unsigned HOST_WIDE_INT len = UINTVAL (operands[1]);
-  unsigned HOST_WIDE_INT pos = UINTVAL (operands[2]);
-
-  if (len <= 0 || pos + len > 32)
-    FAIL;
-
-  ;;if (!register_operand (operands[0], VOIDmode))
-  ;;  FAIL;
-
-  emit_insn (gen_insv_32 (operands[0], operands[1],
-			  operands[2], operands[3]));
-  DONE;
-}")
+"TARGET_HAS_BITFIELD"
+""
+)
 
 (define_insn "insv_32"
   [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
-- 
2.14.2