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[Minios-devel] [UNIKRAFT PATCH 1/1] Fix crash caused by the Optimize for Performance config option
- To: "minios-devel@xxxxxxxxxxxxx" <minios-devel@xxxxxxxxxxxxx>
- From: Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
- Date: Wed, 19 Feb 2020 08:36:39 +0000
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- Cc: "felipe.huici@xxxxxxxxx" <felipe.huici@xxxxxxxxx>, "simon.kuenzer@xxxxxxxxx" <simon.kuenzer@xxxxxxxxx>, Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
- Delivery-date: Wed, 19 Feb 2020 08:36:46 +0000
- List-id: Mini-os development list <minios-devel.lists.xenproject.org>
- Thread-index: AQHV5v+06LNTqa/olUKewVyxngeIfA==
- Thread-topic: [UNIKRAFT PATCH 1/1] Fix crash caused by the Optimize for Performance config option
We disable the gcse, gnu-unique, and move-loop-invariants
flags enabled by O2. This solves the crash on several external
libraries(e.g. ruby, micropython).
Signed-off-by: Vlad-Andrei BĂDOIU <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
---
Makefile.uk | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Makefile.uk b/Makefile.uk
index 67c372e5..359973f3 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -31,9 +31,9 @@ LDFLAGS += -nostdinc -nostdlib -Wl,--omagic
-Wl,--build-id=none
CFLAGS-$(CONFIG_OPTIMIZE_NONE) += -O0 -fno-optimize-sibling-calls
-fno-tree-vectorize
CXXFLAGS-$(CONFIG_OPTIMIZE_NONE) += -O0 -fno-optimize-sibling-calls
-fno-tree-vectorize
GOCFLAGS-$(CONFIG_OPTIMIZE_NONE) += -O0 -fno-optimize-sibling-calls
-fno-tree-vectorize
-CFLAGS-$(CONFIG_OPTIMIZE_PERF) += -O2
-CXXFLAGS-$(CONFIG_OPTIMIZE_PERF) += -O2
-GOCFLAGS-$(CONFIG_OPTIMIZE_PERF) += -O2
+CFLAGS-$(CONFIG_OPTIMIZE_PERF) += -O2 -fno-gcse -fno-gnu-unique
-fno-move-loop-invariants
+CXXFLAGS-$(CONFIG_OPTIMIZE_PERF) += -O2 -fno-gcse -fno-gnu-unique
-fno-move-loop-invariants
+GOCFLAGS-$(CONFIG_OPTIMIZE_PERF) += -O2 -fno-gcse -fno-gnu-unique
-fno-move-loop-invariants
CFLAGS-$(CONFIG_OPTIMIZE_SIZE) += -Os
CXXFLAGS-$(CONFIG_OPTIMIZE_SIZE) += -Os
GOCFLAGS-$(CONFIG_OPTIMIZE_SIZE) += -Os
--
2.20.1
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