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configure: unify two case statements on $cpu 

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
master
Paolo Bonzini 2021-11-09 09:23:56 +01:00
parent 65eff01bcf
commit e4da0e39df
1 changed files with 32 additions and 35 deletions
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67
configure vendored
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@ -636,32 +636,47 @@ else
fi
ARCH=
# Normalise host CPU name and set ARCH.
# Normalise host CPU name, set ARCH and multilib cflags
# Note that this case should only have supported host CPUs, not guests.
case "$cpu" in
ppc|ppc64|s390x|sparc64|x32|riscv)
;;
ppc64le)
ARCH="ppc64"
;;
aarch64|riscv) ;;
armv*b|armv*l|arm)
cpu="arm" ;;
i386|i486|i586|i686|i86pc|BePC)
cpu="i386"
;;
CPU_CFLAGS="-m32" ;;
x32)
CPU_CFLAGS="-mx32" ;;
x86_64|amd64)
cpu="x86_64"
;;
armv*b|armv*l|arm)
cpu="arm"
;;
aarch64)
cpu="aarch64"
;;
# ??? Only extremely old AMD cpus do not have cmpxchg16b.
# If we truly care, we should simply detect this case at
# runtime and generate the fallback to serial emulation.
CPU_CFLAGS="-m64 -mcx16" ;;
mips*)
cpu="mips"
;;
cpu="mips" ;;
ppc)
CPU_CFLAGS="-m32" ;;
ppc64)
CPU_CFLAGS="-m64" ;;
ppc64le)
ARCH="ppc64" ;;
s390)
CPU_CFLAGS="-m31"
ARCH=unknown ;;
s390x)
CPU_CFLAGS="-m64" ;;
sparc|sun4[cdmuv])
cpu="sparc"
;;
CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
sparc64)
CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
*)
# This will result in either an error or falling back to TCI later
ARCH=unknown
@ -1252,24 +1267,6 @@ local_statedir="${local_statedir:-$prefix/var}"
firmwarepath="${firmwarepath:-$datadir/qemu-firmware}"
localedir="${localedir:-$datadir/locale}"
case "$cpu" in
ppc) CPU_CFLAGS="-m32" ;;
ppc64) CPU_CFLAGS="-m64" ;;
sparc) CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
sparc64) CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
s390) CPU_CFLAGS="-m31" ;;
s390x) CPU_CFLAGS="-m64" ;;
i386) CPU_CFLAGS="-m32" ;;
x32) CPU_CFLAGS="-mx32" ;;
# ??? Only extremely old AMD cpus do not have cmpxchg16b.
# If we truly care, we should simply detect this case at
# runtime and generate the fallback to serial emulation.
x86_64) CPU_CFLAGS="-m64 -mcx16" ;;
# No special flags required for other host CPUs
esac
if eval test -z "\${cross_cc_$cpu}"; then
eval "cross_cc_${cpu}=\$cc"
cross_cc_vars="$cross_cc_vars cross_cc_${cpu}"