From 739d23f2a3251df4f664195aed74b8b26ea966c2 Mon Sep 17 00:00:00 2001
From: Marco Costalba <mcostalba@gmail.com>
Date: Mon, 15 Oct 2012 01:13:41 +0200
Subject: [PATCH] Fix Makefile for PowerPC with prefetch enabled

Existing Makefile is buggy for PowerPC, it has no
SSE, yet it is given it if Prefetch is enabled,
because it isn't ARMv7.

Patch from Matthew Brades.

No functional change.
---
 src/Makefile | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 17e61773..ef5f3088 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -58,6 +58,7 @@ OBJS = benchmark.o bitbase.o bitboard.o book.o endgame.o evaluate.o main.o \
 # bsfq = yes/no       --- -DUSE_BSFQ       --- Use bsfq x86_64 asm-instruction (only
 #                                              with GCC and ICC 64-bit)
 # popcnt = yes/no     --- -DUSE_POPCNT     --- Use popcnt x86_64 asm-instruction
+# sse = yes/no        --- -msse            --- Use Intel Streaming SIMD Extensions
 #
 # Note that Makefile is space sensitive, so when adding new architectures
 # or modifying existing flags, you have to make sure there are no extra spaces
@@ -77,6 +78,7 @@ ifeq ($(ARCH),general-64)
 	prefetch = no
 	bsfq = no
 	popcnt = no
+	sse = no
 endif
 
 ifeq ($(ARCH),general-32)
@@ -86,6 +88,7 @@ ifeq ($(ARCH),general-32)
 	prefetch = no
 	bsfq = no
 	popcnt = no
+	sse = no
 endif
 
 # x86-section
@@ -96,6 +99,7 @@ ifeq ($(ARCH),x86-64)
 	prefetch = yes
 	bsfq = yes
 	popcnt = no
+	sse = yes
 endif
 
 ifeq ($(ARCH),x86-64-modern)
@@ -105,6 +109,7 @@ ifeq ($(ARCH),x86-64-modern)
 	prefetch = yes
 	bsfq = yes
 	popcnt = yes
+	sse = yes
 endif
 
 ifeq ($(ARCH),x86-32)
@@ -114,6 +119,7 @@ ifeq ($(ARCH),x86-32)
 	prefetch = yes
 	bsfq = no
 	popcnt = no
+	sse = yes
 endif
 
 ifeq ($(ARCH),x86-32-old)
@@ -123,6 +129,7 @@ ifeq ($(ARCH),x86-32-old)
 	prefetch = no
 	bsfq = no
 	popcnt = no
+	sse = no
 endif
 
 #arm section
@@ -133,6 +140,7 @@ ifeq ($(ARCH),armv7)
 	prefetch = yes
 	bsfq = yes
 	popcnt = no
+	sse = no
 endif
 
 # osx-section
@@ -143,6 +151,7 @@ ifeq ($(ARCH),osx-ppc-64)
 	prefetch = no
 	bsfq = no
 	popcnt = no
+	sse = no
 endif
 
 ifeq ($(ARCH),osx-ppc-32)
@@ -152,6 +161,7 @@ ifeq ($(ARCH),osx-ppc-32)
 	prefetch = no
 	bsfq = no
 	popcnt = no
+	sse = no
 endif
 
 ifeq ($(ARCH),osx-x86-64)
@@ -161,6 +171,7 @@ ifeq ($(ARCH),osx-x86-64)
 	prefetch = yes
 	bsfq = yes
 	popcnt = no
+	sse = yes
 endif
 
 ifeq ($(ARCH),osx-x86-32)
@@ -170,6 +181,7 @@ ifeq ($(ARCH),osx-x86-32)
 	prefetch = yes
 	bsfq = no
 	popcnt = no
+	sse = yes
 endif
 
 
@@ -315,7 +327,7 @@ endif
 
 ### 3.7 prefetch
 ifeq ($(prefetch),yes)
-	ifneq ($(arch),armv7)
+	ifeq ($(sse),yes)
 		CXXFLAGS += -msse
 		DEPENDFLAGS += -msse
 	endif
@@ -455,6 +467,7 @@ config-sanity:
 	@echo "prefetch: '$(prefetch)'"
 	@echo "bsfq: '$(bsfq)'"
 	@echo "popcnt: '$(popcnt)'"
+	@echo "sse: '$(sse)'"
 	@echo ""
 	@echo "Flags:"
 	@echo "CXX: $(CXX)"
@@ -472,6 +485,7 @@ config-sanity:
 	@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
 	@test "$(bsfq)" = "yes" || test "$(bsfq)" = "no"
 	@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
+	@test "$(sse)" = "yes" || test "$(sse)" = "no"
 	@test "$(comp)" = "gcc" || test "$(comp)" = "icc" || test "$(comp)" = "mingw" || test "$(comp)" = "clang"
 
 $(EXE): $(OBJS)
-- 
2.39.2