deepcrayon
/
stockfish
1
0
Fork 0
Code Releases Activity

Use -O3 for all compilers (including ICC) 

There seems to be no benefit from using -fast over -O3 with icc.
So use -O3 everywhere.

No functional change

Resolves #652
pull/652/merge
erbsenzaehler 2016-04-24 00:55:56 +01:00 committed by Joona Kiiski
parent c737062436
commit 4048bae47b
1 changed files with 11 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/Makefile
View File

@ -231,18 +231,19 @@ ifneq ($(comp),mingw)
endif
endif
### 3.4 Debugging
### 3.2 Debugging
ifeq ($(debug),no)
CXXFLAGS += -DNDEBUG
else
CXXFLAGS += -g
endif
### 3.5 Optimization
### 3.3 Optimization
ifeq ($(optimize),yes)
CXXFLAGS += -O3
ifeq ($(comp),gcc)
CXXFLAGS += -O3
ifeq ($(UNAME),Darwin)
ifeq ($(arch),i386)
@ -258,21 +259,13 @@ ifeq ($(optimize),yes)
endif
endif
ifeq ($(comp),mingw)
CXXFLAGS += -O3
endif
ifeq ($(comp),icc)
ifeq ($(UNAME),Darwin)
CXXFLAGS += -fast -mdynamic-no-pic
else
CXXFLAGS += -fast
CXXFLAGS += -mdynamic-no-pic
endif
endif
ifeq ($(comp),clang)
CXXFLAGS += -O3
ifeq ($(UNAME),Darwin)
ifeq ($(pext),no)
CXXFLAGS += -flto
@ -288,12 +281,12 @@ ifeq ($(optimize),yes)
endif
endif
### 3.6. Bits
### 3.4 Bits
ifeq ($(bits),64)
CXXFLAGS += -DIS_64BIT
endif
### 3.7 prefetch
### 3.5 prefetch
ifeq ($(prefetch),yes)
ifeq ($(sse),yes)
CXXFLAGS += -msse
@ -303,7 +296,7 @@ else
CXXFLAGS += -DNO_PREFETCH
endif
### 3.9 popcnt
### 3.6 popcnt
ifeq ($(popcnt),yes)
ifeq ($(comp),icc)
CXXFLAGS += -msse3 -DUSE_POPCNT
@ -312,7 +305,7 @@ ifeq ($(popcnt),yes)
endif
endif
### 3.10 pext
### 3.7 pext
ifeq ($(pext),yes)
CXXFLAGS += -DUSE_PEXT
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
@ -320,7 +313,7 @@ ifeq ($(pext),yes)
endif
endif
### 3.11 Link Time Optimization, it works since gcc 4.5 but not on mingw under Windows.
### 3.8 Link Time Optimization, it works since gcc 4.5 but not on mingw under Windows.
### This is a mix of compile and link time options because the lto link phase
### needs access to the optimization flags.
ifeq ($(comp),gcc)
@ -343,7 +336,7 @@ ifeq ($(comp),mingw)
endif
endif
### 3.12 Android 5 can only run position independent executables. Note that this
### 3.9 Android 5 can only run position independent executables. Note that this
### breaks Android 4.0 and earlier.
ifeq ($(arch),armv7)
CXXFLAGS += -fPIE