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| author | notaz | 2011-10-19 01:54:19 +0300 |
|---|---|---|
| committer | notaz | 2011-10-30 23:48:07 +0200 |
| commit | 054175e91a93116649ea1802790cb842516a85dc (patch) | |
| tree | 8d2d300c99d53b2cda81556c91d641ee46559380 /libpcsxcore/gte_neon.s | |
| parent | 2167bef61daaeb12ceb59c3c577fc636e9011d6d (diff) | |
| download | pcsx_rearmed-054175e91a93116649ea1802790cb842516a85dc.tar.gz pcsx_rearmed-054175e91a93116649ea1802790cb842516a85dc.tar.bz2 pcsx_rearmed-054175e91a93116649ea1802790cb842516a85dc.zip | |
drc: do MVMVA decoding; parametrize handlers
Diffstat (limited to 'libpcsxcore/gte_neon.s')
| -rw-r--r-- | libpcsxcore/gte_neon.s | 55 |
1 files changed, 21 insertions, 34 deletions
diff --git a/libpcsxcore/gte_neon.s b/libpcsxcore/gte_neon.s index b0a8f16..74a741e 100644 --- a/libpcsxcore/gte_neon.s +++ b/libpcsxcore/gte_neon.s @@ -527,40 +527,20 @@ gteRTPT_neon: -.global gteMVMVA_neon @ r0=CP2 (d,c), op -gteMVMVA_neon: - push {r4-r5,lr} - - add r12, r0, #4*32 - - ubfx r2, r1, #15, #2 @ v - - vmov.i32 q0, #0 @ d0,d1 - vmov.i32 q1, #0 @ d2,d3 - vmov.i32 q2, #0 @ d4,d5 - cmp r2, #3 - addeq r4, r0, #4*9 - addne r3, r0, r2, lsl #3 - ldmeqia r4, {r3-r5} - ldmneia r3, {r4,r5} - pkhbteq r4, r3, r4, lsl #16 +@ note: non-std calling convention used +@ r0 = CP2 (d,c) (must preserve) +@ r1 = op +@ r4,r5 = VXYZ(v) packed +@ r6 = &MX11(mx) +@ r7 = &CV1(cv) +.global gteMVMVA_part_neon +gteMVMVA_part_neon: uxth r5, r5 vmov.32 d8[0], r4 vmov.32 d8[1], r5 @ VXYZ(v) - ubfx r3, r1, #17, #2 @ mx - ubfx r2, r1, #13, #2 @ cv - cmp r3, #3 - beq 0f @ very rare case - add r3, r12, r3, lsl #5 - vldmia r3, {d0-d2} @ MXxy/gteR* [16*9] -0: - cmp r2, #3 - add r3, r12, r2, lsl #5 - beq 0f - add r3, #4*5 - vldmia r3, {d4-d5} @ CVx/gteTR* + vldmia r6, {d0-d2} @ MXxy/gteR* [16*9] + vldmia r7, {d4-d5} @ CVx/gteTR* -0: vmov.i32 q15, #0 vext.16 d2, d1, d2, #2 @ xxx3 -> x321 vext.16 d1, d0, d1, #3 @ xx32 -> x321 @@ -596,10 +576,17 @@ gteMVMVA_neon: add r3, r0, #4*9 vst1.32 d18, [r3]! vst1.32 d19[0], [r3] + bx lr + .size gteMVMVA_part_neon, .-gteMVMVA_part_neon - tst r1, #1<<10 @ lm - mov r2, #0 + +@ get flags after gteMVMVA_part_neon operation +.global gteMACtoIR_flags_neon @ r0=CP2 (d,c), r1=lm +gteMACtoIR_flags_neon: + push {r4,r5,lr} + tst r1, r1 @ lm mov lr, #0 @ gteFLAG + mov r2, #0 mov r12, #15 moveq r2, #0x8000 @ adj moveq r12, #16 @ shift @@ -621,8 +608,8 @@ gteMVMVA_neon: orrne lr, #(1<<22) @ IR3/limB3 str lr, [r0, #4*(32+31)] @ gteFLAG - pop {r4-r5,pc} - .size gteMVMVA_neon, .-gteMVMVA_neon + pop {r4,r5,pc} + .size gteMACtoIR_flags_neon, .-gteMACtoIR_flags_neon |