Merge "For the current MIPS compiler __builtin___clear_cache() generates synci instruction only with -msynci option So, add -msynci to all mips32r2 makefiles. Also add msynci to the list flags not recognized by clang."

core/combo/arch/mips/mips32r2-fp.mk

@@ -8,7 +8,8 @@ arch_variant_cflags := \
     -march=mips32r2 \
     -mtune=mips32r2 \
     -mips32r2 \
-    -mhard-float
+    -mhard-float \
+    -msynci
 
 arch_variant_ldflags := \
     -EL

core/combo/arch/mips/mips32r2.mk

@@ -6,7 +6,8 @@ arch_variant_cflags := \
     -march=mips32r2 \
     -mtune=mips32r2 \
     -mips32r2 \
-    -msoft-float
+    -msoft-float \
+    -msynci
 
 arch_variant_ldflags := \
     -EL

core/combo/arch/mips/mips32r2dsp-fp.mk

@@ -11,7 +11,8 @@ arch_variant_cflags := \
     -mtune=mips32r2 \
     -mips32r2 \
     -mhard-float \
-    -mdsp
+    -mdsp \
+    -msynci
 
 arch_variant_ldflags := \
     -EL

core/combo/arch/mips/mips32r2dsp.mk

@@ -10,7 +10,8 @@ arch_variant_cflags := \
     -mtune=mips32r2 \
     -mips32r2 \
     -msoft-float \
-    -mdsp
+    -mdsp \
+    -msynci
 
 arch_variant_ldflags := \
     -EL

core/combo/arch/mips/mips32r2dspr2-fp.mk

@@ -11,7 +11,8 @@ arch_variant_cflags := \
     -mtune=mips32r2 \
     -mips32r2 \
     -mhard-float \
-    -mdspr2
+    -mdspr2 \
+    -msynci
 
 arch_variant_ldflags := \
     -EL

core/combo/arch/mips/mips32r2dspr2.mk

@@ -10,7 +10,8 @@ arch_variant_cflags := \
     -mtune=mips32r2 \
     -mips32r2 \
     -msoft-float \
-    -mdspr2
+    -mdspr2 \
+    -msynci
 
 arch_variant_ldflags := \
     -EL

core/llvm_config.mk

@@ -59,7 +59,8 @@ ifeq ($(TARGET_ARCH),mips)
     -march=mips32r2 \
     -mtune=mips32r2 \
     -march=mips32 \
-    -mtune=mips32
+    -mtune=mips32 \
+    -msynci
 endif
 ifeq ($(TARGET_ARCH),x86)
   CLANG_CONFIG_EXTRA_CFLAGS += \