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Diffstat (limited to 'meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch')
-rw-r--r--meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch b/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch
new file mode 100644
index 00000000..5058529a
--- /dev/null
+++ b/meta-xilinx-bsp/recipes-microblaze/gcc/gcc-8/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch
@@ -0,0 +1,40 @@
+From 92015c19e5d1baabd62067bf1cfc4522e85d1b25 Mon Sep 17 00:00:00 2001
+From: Mahesh Bodapati <mbodapat@xilinx.com>
+Date: Thu, 12 Jan 2017 16:45:45 +0530
+Subject: [PATCH 10/54] [Patch, microblaze]: Fix atomic boolean return value.
+ In atomic_compare_and_swapsi, fix boolean return value. Previously, it
+ contained zero if successful and non-zero if unsuccessful.
+
+Signed-off-by: Kirk Meyer <kirk.meyer@sencore.com>
+Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
+---
+ gcc/config/microblaze/sync.md | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/gcc/config/microblaze/sync.md b/gcc/config/microblaze/sync.md
+index 8e694e9..8ddb10d 100644
+--- a/gcc/config/microblaze/sync.md
++++ b/gcc/config/microblaze/sync.md
+@@ -34,15 +34,16 @@
+ (clobber (match_scratch:SI 8 "=&d"))]
+ ""
+ {
+- output_asm_insn ("addc \tr0,r0,r0", operands);
++ output_asm_insn ("add \t%0,r0,r0", operands);
+ output_asm_insn ("lwx \t%1,%y2,r0", operands);
+ output_asm_insn ("addic\t%8,r0,0", operands);
+ output_asm_insn ("bnei \t%8,.-8", operands);
+- output_asm_insn ("cmp \t%0,%1,%3", operands);
+- output_asm_insn ("bnei \t%0,.+16", operands);
++ output_asm_insn ("cmp \t%8,%1,%3", operands);
++ output_asm_insn ("bnei \t%8,.+20", operands);
+ output_asm_insn ("swx \t%4,%y2,r0", operands);
+ output_asm_insn ("addic\t%8,r0,0", operands);
+ output_asm_insn ("bnei \t%8,.-28", operands);
++ output_asm_insn ("addi \t%0,r0,1", operands);
+ return "";
+ }
+ )
+--
+2.7.4
+