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| author | ptitSeb <sebastien.chev@gmail.com> | 2021-06-13 12:32:12 +0200 |
|---|---|---|
| committer | ptitSeb <sebastien.chev@gmail.com> | 2021-06-13 12:32:12 +0200 |
| commit | 7625cc7cebd90e2dd1a65fbd06bfe92c8a5044c6 (patch) | |
| tree | fd438b9573ee70a43c5620e17c925fb9dc9882f8 | |
| parent | a074115bf5f0806d2e50ac2c71a3978e11026ad1 (diff) | |
| download | box64-7625cc7cebd90e2dd1a65fbd06bfe92c8a5044c6.tar.gz box64-7625cc7cebd90e2dd1a65fbd06bfe92c8a5044c6.zip | |
[DYNAREC] Small optim on PSUHFD opcode
| -rwxr-xr-x | src/dynarec/dynarec_arm64_660f.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/src/dynarec/dynarec_arm64_660f.c b/src/dynarec/dynarec_arm64_660f.c index b3bd2322..94e6bd3f 100755 --- a/src/dynarec/dynarec_arm64_660f.c +++ b/src/dynarec/dynarec_arm64_660f.c @@ -53,7 +53,7 @@ uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n uint8_t wback, wb1; uint8_t eb1, eb2; int64_t j64; - uint64_t tmp64u; + uint64_t tmp64u, tmp64u2; int v0, v1; int q0, q1; int d0, d1; @@ -575,12 +575,33 @@ uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n VMOVeD(v0, 1, v1, 0); } } else if(u8==0x00) { - // dumplicate lower 32bits to all spot + // duplicate lower 32bits to all spot if(v0!=v1) { VMOVeS(v0, 0, v1, 0); } VMOVeS(v0, 1, v1, 0); VMOVeD(v0, 1, v0, 0); + } else if(u8==0x55) { + // duplicate slot 1 to all spot + if(v0!=v1) { + VMOVeS(v0, 1, v1, 1); + } + VMOVeS(v0, 0, v1, 1); + VMOVeD(v0, 1, v0, 0); + } else if(u8==0xAA) { + // duplicate slot 2 to all spot + if(v0!=v1) { + VMOVeS(v0, 2, v1, 2); + } + VMOVeS(v0, 3, v1, 2); + VMOVeD(v0, 0, v0, 1); + } else if(u8==0xFF) { + // duplicate slot 3 to all spot + if(v0!=v1) { + VMOVeS(v0, 3, v1, 3); + } + VMOVeS(v0, 2, v1, 3); + VMOVeD(v0, 0, v0, 1); } else if(v0!=v1) { VMOVeS(v0, 0, v1, (u8>>(0*2))&3); VMOVeS(v0, 1, v1, (u8>>(1*2))&3); @@ -597,9 +618,13 @@ uintptr_t dynarec64_660F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int n tmp64u = swp[(u8>>(0*2))&3] | (swp[(u8>>(1*2))&3]<<32); MOV64x(x2, tmp64u); VMOVQDfrom(d0, 0, x2); - tmp64u = swp[(u8>>(2*2))&3] | (swp[(u8>>(3*2))&3]<<32); - MOV64x(x3, tmp64u); - VMOVQDfrom(d0, 1, x3); + tmp64u2 = swp[(u8>>(2*2))&3] | (swp[(u8>>(3*2))&3]<<32); + if(tmp64u2==tmp64u) { + VMOVQDfrom(d0, 1, x2); + } else { + MOV64x(x3, tmp64u2); + VMOVQDfrom(d0, 1, x3); + } VTBLQ1_8(v0, v1, d0); } } else { |