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-rw-r--r--meta-xilinx-bsp/recipes-microblaze/gcc/gcc-7/0032-MicroBlaze-remove-bitfield-instructions-macros.patch83
1 files changed, 83 insertions, 0 deletions
diff --git a/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-7/0032-MicroBlaze-remove-bitfield-instructions-macros.patch b/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-7/0032-MicroBlaze-remove-bitfield-instructions-macros.patch
new file mode 100644
index 00000000..29bc752e
--- /dev/null
+++ b/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-7/0032-MicroBlaze-remove-bitfield-instructions-macros.patch
@@ -0,0 +1,83 @@
+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
+