Merge pull request #2884 from martin-frbg/sse_fixup

Add workaround for unwanted default activation of -msse3 in DYNAMIC_ARCH builds

Author: martin-frbg

Makefile.x86_64

@@ -9,9 +9,11 @@ endif
 endif
 
 ifdef HAVE_SSE3
+ifndef DYNAMIC_ARCH
 CCOMMON_OPT += -msse3
 FCOMMON_OPT += -msse3
 endif
+endif
 
 ifeq ($(CORE), SKYLAKEX)
 ifndef DYNAMIC_ARCH

kernel/Makefile

@@ -41,6 +41,9 @@ ifdef NO_AVX2
 endif
 
 ifdef TARGET_CORE
+	ifeq ($(TARGET_CORE), $(filter $(TARGET_CORE),PRESCOTT CORE2 PENRYN DUNNINGTON ATOM NANO NEHALEM BARCELONA BOBCAT BULLDOZER PILEDRIVER EXCAVATOR STEAMROLLER OPTERON_SSE3))
+	override CFLAGS += -msse3
+endif
 ifeq ($(TARGET_CORE), COOPERLAKE)
  override CFLAGS += -DBUILD_KERNEL -DTABLE_NAME=gotoblas_$(TARGET_CORE)
  ifeq ($(GCCVERSIONGTEQ10), 1)