use addi where sv.addi is inappropriate (scalar values)

although later win and win2 will move to above 32.
looking for possible discrepancies in assembler code

diff --git a/media/audio/mp3/mp3_0_apply_window_float_basicsv.s b/media/audio/mp3/mp3_0_apply_window_float_basicsv.s
index 2f4902b75a7638c352031c720335974c33d673d9..235c7b97dfd7d215b2b87dada4ea65b97c29c26a 100644 (file)
--- a/media/audio/mp3/mp3_0_apply_window_float_basicsv.s
+++ b/media/audio/mp3/mp3_0_apply_window_float_basicsv.s
@@ -43,30 +43,30 @@ ff_mpadsp_apply_window_float_sv:
        addis 9,2,.LC0@toc@ha
        addi 9,9,.LC0@toc@l
 
+       # samples2 = samples + 31 * incr;
        slwi incr, incr, 2 # incr *= 4, sizeof float
-
        mulli 0, incr, 31
        add out2, out, 0
 
        # set Vector Length
        setvl 0, 0, 7, 1, 1 # setvli MVL=8, VL=8
-       # sv.addi win2, win, 124
+       addi win2, win, 124 # w2 = window + 31
 
        lfiwax sum, 0, 9 # zero it
-       addi p, buf, 64
+       addi p, buf, 64  # p = synth_buf+16
 
        # SUM8(MACS, sum, w, p)
        # sv.lfs/els fv0.v, 256(win)
        # sv.lfs/els fv1.v, 256(p)
        # sv.fmadds/mr sum, fv0.v, fv1.v, sum
 
-       addi p, buf, 192
-       addi win, win, 128
+       addi p, buf, 192      # p = synth_buf + 48;
+       addi win, win, 128    # w = w + 32
        # SUM8(MLSS, sum, w + 32, p)
        # sv.lfs/els fv0.v, 256(win)
        # sv.lfs/els fv1.v, 256(p)
        # sv.fnmsubs/mr sum, fv0.v, fv1.v, sum
-       subi win, win, 128
+       addi win, win, -128   # w = w - 32
 
        stfs sum, 0(out)
        add out, out, incr
@@ -92,7 +92,7 @@ ff_mpadsp_apply_window_float_sv:
                addi p, buf, 192
                subf p, i, p
                addi win, win, 128
-               # sv.addi win2, win2, 128
+               addi win2, win2, 128
 
                # SUM8P2(sum, MLSS, sum2, MLSS, w + 32, w2 + 32, p)
                # sv.lfs/els fv0.v, 256(p)
@@ -101,8 +101,8 @@ ff_mpadsp_apply_window_float_sv:
                # sv.fnmsubs/mr sum, fv0.v, fv1.v, sum
                # sv.fnmsubs/mr sum2, fv0.v, fv2.v, sum2
 
-               subi win, win, 128
-               # sv.addi win2, win2, -128
+               addi win, win, -128
+               addi win2, win2, -128
 
                stfs sum, 0(out)
                add out, out, incr
@@ -111,7 +111,7 @@ ff_mpadsp_apply_window_float_sv:
 
                addi i, i, 4
                addi win, win, 4
-               # sv.addi win2, win2, -4
+               addi win2, win2, -4
        bdnz .Lloop
 
        addi p, buf, 128