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| author | notaz | 2011-09-25 16:47:14 +0300 |
|---|---|---|
| committer | notaz | 2011-09-27 02:09:35 +0300 |
| commit | 59774ed0120d20c731ee20da88ba6356d184dc8a (patch) | |
| tree | 2d025303afb700215faf1bf95fa9735e5eaa68f7 /libpcsxcore/gte_neon.s | |
| parent | 41f55c9fb3e682e2c424e98ec70ab6aad226f85d (diff) | |
| download | pcsx_rearmed-59774ed0120d20c731ee20da88ba6356d184dc8a.tar.gz pcsx_rearmed-59774ed0120d20c731ee20da88ba6356d184dc8a.tar.bz2 pcsx_rearmed-59774ed0120d20c731ee20da88ba6356d184dc8a.zip | |
gte: split arm code for pollux, generate flagless handlers
flagless are unused but will be used later, at least I hope so.
Diffstat (limited to 'libpcsxcore/gte_neon.s')
| -rw-r--r-- | libpcsxcore/gte_neon.s | 39 |
1 files changed, 2 insertions, 37 deletions
diff --git a/libpcsxcore/gte_neon.s b/libpcsxcore/gte_neon.s index 0db8917..ab8c1b6 100644 --- a/libpcsxcore/gte_neon.s +++ b/libpcsxcore/gte_neon.s @@ -20,6 +20,8 @@ scratch: .text .align 2 +@ XXX: gteMAC calc shouldn't be saturating, but it is here + @ approximate gteMAC|123 flags @ in: rr 123 as gteMAC|123 @ trash: nothing @@ -627,41 +629,4 @@ gteMVMVA_neon: -@ the name is misnormer, this doesn't use NEON but oh well.. -.global gteNCLIP_neon @ r0=CP2 (d,c), -gteNCLIP_neon: - push {r4-r6,lr} - - add r1, r0, #4*12 - ldmia r1, {r1-r3} - mov r4, r1, asr #16 - mov r5, r2, asr #16 - mov r6, r3, asr #16 - sub r12, r4, r5 @ 3: gteSY0 - gteSY1 - sub r5, r5, r6 @ 1: gteSY1 - gteSY2 - sxth r1, r1 - smull r1, r5, r1, r5 @ RdLo, RdHi - sub r6, r4 @ 2: gteSY2 - gteSY0 - sxth r2, r2 - smlal r1, r5, r2, r6 - mov lr, #0 @ gteFLAG - sxth r3, r3 - smlal r1, r5, r3, r12 - mov r6, #1<<31 - orr r6, #1<<15 - movs r2, r1, lsl #1 - adc r5, r5 - cmp r5, #0 - movtgt lr, #((1<<31)|(1<<16))>>16 - mvngt r1, #1<<31 @ maxint - cmn r5, #1 - movmi r1, #1<<31 @ minint - orrmi lr, r6 - str r1, [r0, #4*24] - str lr, [r0, #4*(32+31)] @ gteFLAG - - pop {r4-r6,pc} - .size gteNCLIP_neon, .-gteNCLIP_neon - - @ vim:filetype=armasm |