projects / litex.git / commitdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: c64129d)
build/sim: use -O0 for verilator compilation
authorFlorent Kermarrec <florent@enjoy-digital.fr>
Fri, 7 Jun 2019 09:16:39 +0000 (11:16 +0200)
committerFlorent Kermarrec <florent@enjoy-digital.fr>
Fri, 7 Jun 2019 09:16:39 +0000 (11:16 +0200)
In most of the case, execution speed is already fast enough with -O0 and
with complex design -O0 is a lost faster to compile than -O3. In the future
we could add a switch to choose which optimization we want.

litex/build/sim/core/Makefile patch | blob | history

diff --git a/litex/build/sim/core/Makefile b/litex/build/sim/core/Makefile
index 3737af82306abffc36fbcafa5b4f5072e8a7cb99..149789d8cb5bf16d96e270cdb9dffd015e30f7aa 100644 (file)
--- a/litex/build/sim/core/Makefile
+++ b/litex/build/sim/core/Makefile
@@ -1,7 +1,7 @@
 include variables.mak
 
 CC = gcc
-CFLAGS = -Wall -O3 -ggdb $(if $(COVERAGE), -DVM_COVERAGE)
+CFLAGS = -Wall -O0 -ggdb $(if $(COVERAGE), -DVM_COVERAGE)
 LDFLAGS = -lpthread -ljson-c -lm -lstdc++ -ldl -levent
 
 CC_SRCS ?= "--cc dut.v"