From: Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@stud.acs.upb.ro>
Date: Thu, 20 Feb 2020 12:48:31 +0000 (+0100)
Subject: Fix crash caused by the "Optimize for Performance" config option
X-Git-Tag: RELEASE-0.4^0
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=7e832011eb789541400e005dbfe1d23616df3559;p=unikraft%2Flibs%2Fmicropython.git

Fix crash caused by the "Optimize for Performance" config option

We disable the gcse, gnu-unique, and move-loop-invariants
flags enabled by O2.

Signed-off-by: Vlad-Andrei BĂDOIU <vlad_andrei.badoiu@stud.acs.upb.ro>
Signed-off-by: Simon Kuenzer <simon.kuenzer@neclab.eu>
Reviewed-by: Felipe Huici <felipe.huici@neclab.eu>
---

diff --git a/Makefile.uk b/Makefile.uk
index 14e10fa..88747cc 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -101,6 +101,13 @@ LIBMICROPYTHON_CFLAGS-y += -DUNIX -DN_X64 -D MICROPY_PY_LWIP  \
 			   -Wno-unused-but-set-variable       \
 			   -Wno-unused-function
 
+LIBMICROPYTHON_OPTIMIZATIONS += -fno-gcse -fno-gnu-unique \
+				-fno-move-loop-invariants
+
+CFLAGS-$(CONFIG_LIBMICROPYTHON)   += $(LIBMICROPYTHON_OPTIMIZATIONS)
+CXXFLAGS-$(CONFIG_LIBMICROPYTHON) += $(LIBMICROPYTHON_OPTIMIZATIONS)
+GOFLAGS-$(CONFIG_LIBMICROPYTHON)  += $(LIBMICROPYTHON_OPTIMIZATIONS)
+
 ################################################################################
 # Unikraft <-> Micropython glue code
 ################################################################################