diff options
author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-17 22:04:52 +0000 |
---|---|---|
committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-17 22:04:52 +0000 |
commit | b3249f630e95f3235da438ee1a6cd1b867084e9c (patch) | |
tree | 73e6a9cdd97062c471dd4aaa596abd34316c5b6d /target-alpha/op_helper.c | |
parent | 9c29504eb71238241f29667bd96fb83c97668e1a (diff) | |
download | qemu-b3249f630e95f3235da438ee1a6cd1b867084e9c.zip qemu-b3249f630e95f3235da438ee1a6cd1b867084e9c.tar.gz qemu-b3249f630e95f3235da438ee1a6cd1b867084e9c.tar.bz2 |
target-alpha: convert byte manipulation instructions to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5246 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-alpha/op_helper.c')
-rw-r--r-- | target-alpha/op_helper.c | 120 |
1 files changed, 39 insertions, 81 deletions
diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c index 745c44d..194f410 100644 --- a/target-alpha/op_helper.c +++ b/target-alpha/op_helper.c @@ -243,133 +243,91 @@ static always_inline uint64_t byte_zap (uint64_t op, uint8_t mskb) return op & ~mask; } -void helper_mskbl (void) +uint64_t helper_mskbl(uint64_t val, uint64_t mask) { - T0 = byte_zap(T0, 0x01 << (T1 & 7)); + return byte_zap(val, 0x01 << (mask & 7)); } -void helper_extbl (void) +uint64_t helper_insbl(uint64_t val, uint64_t mask) { - T0 >>= (T1 & 7) * 8; - T0 = byte_zap(T0, 0xFE); + val <<= (mask & 7) * 8; + return byte_zap(val, ~(0x01 << (mask & 7))); } -void helper_insbl (void) +uint64_t helper_mskwl(uint64_t val, uint64_t mask) { - T0 <<= (T1 & 7) * 8; - T0 = byte_zap(T0, ~(0x01 << (T1 & 7))); + return byte_zap(val, 0x03 << (mask & 7)); } -void helper_mskwl (void) +uint64_t helper_inswl(uint64_t val, uint64_t mask) { - T0 = byte_zap(T0, 0x03 << (T1 & 7)); + val <<= (mask & 7) * 8; + return byte_zap(val, ~(0x03 << (mask & 7))); } -void helper_extwl (void) +uint64_t helper_mskll(uint64_t val, uint64_t mask) { - T0 >>= (T1 & 7) * 8; - T0 = byte_zap(T0, 0xFC); + return byte_zap(val, 0x0F << (mask & 7)); } -void helper_inswl (void) +uint64_t helper_insll(uint64_t val, uint64_t mask) { - T0 <<= (T1 & 7) * 8; - T0 = byte_zap(T0, ~(0x03 << (T1 & 7))); + val <<= (mask & 7) * 8; + return byte_zap(val, ~(0x0F << (mask & 7))); } -void helper_mskll (void) +uint64_t helper_zap(uint64_t val, uint64_t mask) { - T0 = byte_zap(T0, 0x0F << (T1 & 7)); + return byte_zap(val, mask); } -void helper_extll (void) +uint64_t helper_zapnot(uint64_t val, uint64_t mask) { - T0 >>= (T1 & 7) * 8; - T0 = byte_zap(T0, 0xF0); + return byte_zap(val, ~mask); } -void helper_insll (void) +uint64_t helper_mskql(uint64_t val, uint64_t mask) { - T0 <<= (T1 & 7) * 8; - T0 = byte_zap(T0, ~(0x0F << (T1 & 7))); + return byte_zap(val, 0xFF << (mask & 7)); } -void helper_zap (void) +uint64_t helper_insql(uint64_t val, uint64_t mask) { - T0 = byte_zap(T0, T1); + val <<= (mask & 7) * 8; + return byte_zap(val, ~(0xFF << (mask & 7))); } -void helper_zapnot (void) +uint64_t helper_mskwh(uint64_t val, uint64_t mask) { - T0 = byte_zap(T0, ~T1); + return byte_zap(val, (0x03 << (mask & 7)) >> 8); } -void helper_mskql (void) +uint64_t helper_inswh(uint64_t val, uint64_t mask) { - T0 = byte_zap(T0, 0xFF << (T1 & 7)); + val >>= 64 - ((mask & 7) * 8); + return byte_zap(val, ~((0x03 << (mask & 7)) >> 8)); } -void helper_extql (void) +uint64_t helper_msklh(uint64_t val, uint64_t mask) { - T0 >>= (T1 & 7) * 8; - T0 = byte_zap(T0, 0x00); + return byte_zap(val, (0x0F << (mask & 7)) >> 8); } -void helper_insql (void) +uint64_t helper_inslh(uint64_t val, uint64_t mask) { - T0 <<= (T1 & 7) * 8; - T0 = byte_zap(T0, ~(0xFF << (T1 & 7))); + val >>= 64 - ((mask & 7) * 8); + return byte_zap(val, ~((0x0F << (mask & 7)) >> 8)); } -void helper_mskwh (void) +uint64_t helper_mskqh(uint64_t val, uint64_t mask) { - T0 = byte_zap(T0, (0x03 << (T1 & 7)) >> 8); + return byte_zap(val, (0xFF << (mask & 7)) >> 8); } -void helper_inswh (void) +uint64_t helper_insqh(uint64_t val, uint64_t mask) { - T0 >>= 64 - ((T1 & 7) * 8); - T0 = byte_zap(T0, ~((0x03 << (T1 & 7)) >> 8)); -} - -void helper_extwh (void) -{ - T0 <<= 64 - ((T1 & 7) * 8); - T0 = byte_zap(T0, ~0x07); -} - -void helper_msklh (void) -{ - T0 = byte_zap(T0, (0x0F << (T1 & 7)) >> 8); -} - -void helper_inslh (void) -{ - T0 >>= 64 - ((T1 & 7) * 8); - T0 = byte_zap(T0, ~((0x0F << (T1 & 7)) >> 8)); -} - -void helper_extlh (void) -{ - T0 <<= 64 - ((T1 & 7) * 8); - T0 = byte_zap(T0, ~0x0F); -} - -void helper_mskqh (void) -{ - T0 = byte_zap(T0, (0xFF << (T1 & 7)) >> 8); -} - -void helper_insqh (void) -{ - T0 >>= 64 - ((T1 & 7) * 8); - T0 = byte_zap(T0, ~((0xFF << (T1 & 7)) >> 8)); -} - -void helper_extqh (void) -{ - T0 <<= 64 - ((T1 & 7) * 8); - T0 = byte_zap(T0, 0x00); + val >>= 64 - ((mask & 7) * 8); + return byte_zap(val, ~((0xFF << (mask & 7)) >> 8)); } void helper_cmpbge (void) |