lavu/fixed_dsp: unroll RISC-V V loop

Before: butterflies_fixed_c: 804.7 butterflies_fixed_rvv_i32: 348.2

Rémi Denis-Courmont committed 3 years ago

Commit 3d79afb1 parent d8ea5f51 file · +1 −1Browse files

Unified · Split

@@ -23,7 +23,7 @@ · 22 unmodified lines
23	23	// (a0) = (a0) + (a1), (a1) = (a0) - (a1) [0..a2-1]
24	24	func ff_butterflies_fixed_rvv, zve32x
25	25	1:
26		− vsetvli t0, a2, e32, m1, ta, ma
	26	+ vsetvli t0, a2, e32, m4, ta, ma
27	27	vle32.v v16, (a0)
28	28	sub a2, a2, t0
29	29	vle32.v v24, (a1)

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