Changeset 934b2e0 in mainline for kernel/arch/ia32/Makefile.inc

Timestamp:

2008-06-18T21:24:11Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7a4202d

Parents:

18ad03f3

Message:

Don't build the ia32 kernel with MMX/SSE/3DNOW enabled. This was causing
problems with gcc 4.3.1 which generated MMX aided code in a context that
didn't allow this.

File:

• kernel/arch/ia32/Makefile.inc (modified) (5 diffs)

kernel/arch/ia32/Makefile.inc

@@ -47 +47 @@
 
 ifeq ($(MACHINE),athlon-xp)
-        CMN2 = -march=athlon-xp -mmmx -msse -m3dnow
+        CMN2 = -march=athlon-xp -mno-mmx -mno-sse -mno-3dnow
         GCC_CFLAGS += $(CMN2)
         ICC_CFLAGS += $(CMN2)
@@ -56 +56 @@
 endif
 ifeq ($(MACHINE),athlon-mp)
-        CMN2 = -march=athlon-mp -mmmx -msse -m3dnow
+        CMN2 = -march=athlon-mp -mno-mmx -mno-sse -mno-3dnow
         GCC_CFLAGS += $(CMN2)
         ICC_CFLAGS += $(CMN2)
@@ -64 +64 @@
 endif
 ifeq ($(MACHINE),pentium3)
-        CMN2 = -march=pentium3 -mmmx -msse
+        CMN2 = -march=pentium3 -mno-mmx -mno-sse
         GCC_CFLAGS += $(CMN2)
         ICC_CFLAGS += $(CMN2)
@@ -72 +72 @@
 endif
 ifeq ($(MACHINE),core)
-        CMN2 = -march=prescott -mfpmath=sse -mmmx -msse -msse2 -msse3
+        CMN2 = -march=prescott -mno-mmmx -mno-sse -mno-sse2 -mno-sse3
         GCC_CFLAGS += $(CMN2)
         ICC_CFLAGS += $(CMN2)
@@ -79 +79 @@
 endif
 ifeq ($(MACHINE),pentium4)
-        GCC_CFLAGS += -march=pentium4 -mfpmath=sse -mmmx -msse -msse2
+        GCC_CFLAGS += -march=pentium4 -mno-mmx -mno-sse -mno-sse2
         ICC_CFLAGS += -march=pentium4
         SUNCC_CFLAGS += -xarch=sse2