diff options
Diffstat (limited to 'meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch')
-rw-r--r-- | meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch b/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch new file mode 100644 index 000000000..48f77215d --- /dev/null +++ b/meta-xilinx/meta-microblaze/recipes-devtools/gcc/gcc-10/0010-Patch-microblaze-Fix-atomic-boolean-return-value.patch @@ -0,0 +1,42 @@ +From 834448fc3493be56cc6a4f6b504569142f7f6070 Mon Sep 17 00:00:00 2001 +From: Mahesh Bodapati <mbodapat@xilinx.com> +Date: Thu, 12 Jan 2017 16:45:45 +0530 +Subject: [PATCH 10/58] [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 24cd67e1fdb..76c3616c992 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 ""; + } + ) +-- +2.17.1 + |