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configure: mips: Support mips r6, r2 and r1 

Detect the different MIPS architecture variants.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Luca Barbato 2015-09-25 08:56:25 +02:00 committed by Luca Barbato
parent 678f788fea
commit 1016a75cf3
1 changed files with 24 additions and 1 deletions
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25
configure vendored
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@ -1357,11 +1357,21 @@ ARCH_EXT_LIST_X86="
i686
"
ARCH_EXT_LIST_MIPS="
loongson
mips32r1
mips64r1
mips32r2
mips64r2
mips32r6
mips64r6
"
ARCH_EXT_LIST="
$ARCH_EXT_LIST_ARM
$ARCH_EXT_LIST_MIPS
$ARCH_EXT_LIST_PPC
$ARCH_EXT_LIST_X86
loongson
vis
"
@ -4059,6 +4069,19 @@ elif enabled mips; then
check_inline_asm loongson '"dmult.g $1, $2, $3"'
# make sure that only an instruction set is enabled
disable mips64r6 mips32r6 mips64r2 mips32r2 mips64r1 mips32r1
if enabled mips64; then
check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||
check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||
check_inline_asm mips64r1 '"daddi $0, $0, 0"'
else
check_inline_asm mips32r6 '"aui $0, $0, 0"' ||
check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||
check_inline_asm mips32r1 '"daddi $0, $0, 0"'
fi
elif enabled parisc; then
if enabled gcc; then