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-rw-r--r--meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0037-Patch-Microblaze-update-in-constraints-for-bitfield-.patch80
1 files changed, 80 insertions, 0 deletions
diff --git a/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0037-Patch-Microblaze-update-in-constraints-for-bitfield-.patch b/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0037-Patch-Microblaze-update-in-constraints-for-bitfield-.patch
new file mode 100644
index 00000000..26b685a5
--- /dev/null
+++ b/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0037-Patch-Microblaze-update-in-constraints-for-bitfield-.patch
@@ -0,0 +1,80 @@
+From 149cf4619622d27641a2886cd8bf38a49ad88f87 Mon Sep 17 00:00:00 2001
+From: Mahesh Bodapati <mbodapat@xilinx.com>
+Date: Mon, 19 Feb 2018 18:06:16 +0530
+Subject: [PATCH 37/54] [Patch,Microblaze]: update in constraints for bitfield
+ insert and extract instructions.
+
+---
+ gcc/config/microblaze/microblaze.md | 43 ++++++-------------------------------
+ 1 file changed, 7 insertions(+), 36 deletions(-)
+
+diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md
+index 8072ffc..9bb87ec 100644
+--- a/gcc/config/microblaze/microblaze.md
++++ b/gcc/config/microblaze/microblaze.md
+@@ -2476,33 +2476,17 @@
+ DONE;
+ }")
+
+-(define_expand "extvsi"
++(define_expand "extzvsi"
+ [(set (match_operand:SI 0 "register_operand" "r")
+ (zero_extract:SI (match_operand:SI 1 "register_operand" "r")
+ (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"
++
++(define_insn "extzv_32"
+ [(set (match_operand:SI 0 "register_operand" "=r")
+ (zero_extract:SI (match_operand:SI 1 "register_operand" "r")
+ (match_operand:SI 2 "immediate_operand" "I")
+@@ -2519,21 +2503,8 @@
+ (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;
+-}")
++""
++)
+
+ (define_insn "insv_32"
+ [(set (zero_extract:SI (match_operand:SI 0 "register_operand" "+r")
+--
+2.7.4
+