Add softfp to MACHINE_CPU more often when we're compiling for soft

float targets. It is added for booke on powerpc and all arm with hf in
the string. Also add arm to all arm builds and armv6 to armv6 and
newer builds.

PR: 202641

share/mk/bsd.cpu.mk

@@ -150,6 +150,7 @@ _CPUCFLAGS = -mcpu=ultrasparc3
 # unordered list to make it easy for client makefiles to test for the
 # presence of a CPU feature.
 
+########## i386
 . if ${MACHINE_CPUARCH} == "i386"
 .  if ${CPUTYPE} == "bdver4"
 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
@@ -218,6 +219,7 @@ MACHINE_CPU = 3dnow mmx
 MACHINE_CPU = mmx
 .  endif
 MACHINE_CPU += i486
+########## amd64
 . elif ${MACHINE_CPUARCH} == "amd64"
 .  if ${CPUTYPE} == "bdver4"
 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3
@@ -253,10 +255,12 @@ MACHINE_CPU = ssse3 sse3
 MACHINE_CPU = sse3
 .  endif
 MACHINE_CPU += amd64 sse2 sse mmx
+########## powerpc
 . elif ${MACHINE_ARCH} == "powerpc"
 .  if ${CPUTYPE} == "e500"
-MACHINE_CPU = booke
+MACHINE_CPU = booke softfp
 .  endif
+########## sparc64
 . elif ${MACHINE_ARCH} == "sparc64"
 .  if ${CPUTYPE} == "v9"
 MACHINE_CPU = v9
@@ -272,11 +276,21 @@ MACHINE_CPU = v9 ultrasparc ultrasparc3
 CFLAGS += -G0
 .endif
 
+########## arm
+.if ${MACHINE_CPUARCH} == "arm"
+MACHINE_CPU += arm
+. if ${MACHINE_ARCH:Marmv6*} != ""
+MACHINE_CPU += armv6
+. endif
+. if ${MACHINE_ARCH:M*hf} == ""
+MACHINE_CPU += softfp
+. endif
 .if ${MACHINE_ARCH} == "armv6"
 # Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI
 # not a nice optimization.
 CFLAGS += -mfloat-abi=softfp
 .endif
+.endif
 
 # NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk