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| author | notaz | 2011-02-25 20:02:34 +0200 |
|---|---|---|
| committer | notaz | 2011-02-25 20:02:34 +0200 |
| commit | 4cc3050c739a4967bce4efa0146916c74266aa75 (patch) | |
| tree | fa90dde9b971afc945c69a2fd0255866e6fc4288 /libpcsxcore | |
| parent | 5d8e3bf87667638765c6473ff82242ec3158cdac (diff) | |
| download | pcsx_rearmed-4cc3050c739a4967bce4efa0146916c74266aa75.tar.gz pcsx_rearmed-4cc3050c739a4967bce4efa0146916c74266aa75.tar.bz2 pcsx_rearmed-4cc3050c739a4967bce4efa0146916c74266aa75.zip | |
gte_neon: trying to improve code
Diffstat (limited to 'libpcsxcore')
| -rw-r--r-- | libpcsxcore/gte_neon.s | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/libpcsxcore/gte_neon.s b/libpcsxcore/gte_neon.s index 3002a93..5b6546a 100644 --- a/libpcsxcore/gte_neon.s +++ b/libpcsxcore/gte_neon.s @@ -99,18 +99,16 @@ scratch: .macro rtpx_preload add r3, r0, #4*32 vldmia r3, {d0-d2} @ gteR* [16*9] + vmov.i32 q15, #0 add r3, r0, #4*(32+5) vldmia r3, {d4-d5} @ gteTR* - vmov.i32 q15, #0 - vshl.i64 d2, d2, #32 @ | + vext.16 d2, d1, d2, #2 @ xxx3 -> x321 + vext.16 d1, d0, d1, #3 @ xx32 -> x321 add r3, r0, #4*(32+26) vld1.32 d11[0], [r3] @ gteH - vsri.u64 d2, d1, #32 @ | vshll.s32 q3, d5, #12 @ gteTRZ vshll.s32 q2, d4, #12 @ gteTR|XY - vshl.i64 d1, d1, #16 @ | vmovl.s16 q6, d11 @ gteH - vsri.u64 d1, d0, #48 @ | .endm @ do RTP* gteMAC* calculation @@ -147,17 +145,26 @@ gteRTPS_neon: movt r1, #:upper16:scratch mov r12, #0 + vldmia r0, {d8} @ VXYZ(0) rtpx_preload - vldmia r0, {d8} @ VXYZ(0) +@ rtpx_mac @ slower here, faster in RTPT? vmov.16 d8[3], r12 @ kill unused upper vector - - rtpx_mac + vmull.s16 q8, d0, d8 + vmull.s16 q9, d1, d8 + vmull.s16 q10, d2, d8 + vpadd.s32 d16, d16, d17 + vpadd.s32 d17, d18, d19 + vpadd.s32 d18, d20, d21 + vpadal.s32 q2, q8 + vpadal.s32 q3, q9 @ d6, d18 is slow? + vqshrn.s64 d8, q2, #12 @ gteMAC|12 + vqshrn.s64 d9, q3, #12 @ gteMAC3 add r3, r0, #4*25 vst1.32 d8, [r3]! vst1.32 d9[0], [r3] @ wb gteMAC|123 - vmovl.s16 q9, d10 @ expand gteIR|123 + vqmovn.s32 d10, q4 @ gteIR|123 add r3, r0, #4*17 @ gteSZ* vldmia r3, {q7} @ d14,d15 gteSZ|123x @@ -166,6 +173,7 @@ gteRTPS_neon: vshr.s32 d16, d12, #1 @ | gteH/2 (adjust for cmp) vmov.i32 d26, #1 vmin.u32 d11, d28 @ saturate to 0..0xffff limD/fSZ3 + vmovl.s16 q9, d10 @ || expand gteIR|123 vshl.u32 d13, d12, #16 @ | preparing gteH add r3, r0, #4*9 vst1.32 d18, [r3]! @@ -200,7 +208,7 @@ gteRTPS_neon: mov lr, #0 @ gteFLAG ldmia r3, {r4-r6} @ gteMAC|123 - vst1.32 d11, [r1] @ wb quotient for flags (pre-limE) + vst1.32 d11, [r1, :64] @ wb quotient for flags (pre-limE) vqshl.u32 d11, #15 do_mac_flags r4, r5, r6 @@ -307,10 +315,10 @@ gteRTPT_neon: vmin.s32 d22, d8 @ min gteMAC|12 vmax.s32 d23, d8 @ max gteMAC|12 subs r3, #1 - vst1.32 {d9,d10}, [r1, :64]! + vst1.32 {d9,d10}, [r1, :128]! bgt 0b - vst1.32 {d22,d23}, [r1, :64]! @ min/max gteMAC|12 (for flags) + vst1.32 {d22,d23}, [r1, :128]! @ min/max gteMAC|12, for flags @ - phase2 - sub r1, r1, #8*2*4 |