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lavu/riscv: add forward-edge CFI landing pads

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This commit is contained in:
Rémi Denis-Courmont 2024-07-22 22:17:40 +03:00
parent 6319601343
commit a14d21a446
3 changed files with 19 additions and 0 deletions
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6
libavutil/riscv/fixed_dsp_rvv.S
View File

@ -21,6 +21,7 @@
#include "asm.S"
func ff_vector_fmul_window_scaled_rvv, zve64x, zba
lpad 0
csrwi vxrm, 0
vsetvli t0, zero, e16, m1, ta, ma
sh2add a2, a4, a2
@ -69,6 +70,7 @@ func ff_vector_fmul_window_scaled_rvv, zve64x, zba
endfunc
func ff_vector_fmul_window_fixed_rvv, zve64x, zba
lpad 0
csrwi vxrm, 0
vsetvli t0, zero, e16, m1, ta, ma
sh2add a2, a4, a2
@ -113,6 +115,7 @@ func ff_vector_fmul_window_fixed_rvv, zve64x, zba
endfunc
func ff_vector_fmul_fixed_rvv, zve32x, zba
lpad 0
csrwi vxrm, 0
1:
vsetvli t0, a3, e32, m4, ta, ma
@ -156,6 +159,7 @@ func ff_vector_fmul_reverse_fixed_rvv, zve32x, zba
endfunc
func ff_vector_fmul_add_fixed_rvv, zve32x, zba
lpad 0
csrwi vxrm, 0
1:
vsetvli t0, a4, e32, m8, ta, ma
@ -176,6 +180,7 @@ func ff_vector_fmul_add_fixed_rvv, zve32x, zba
endfunc
func ff_scalarproduct_fixed_rvv, zve64x, zba
lpad 0
li t1, 1 << 30
vsetvli t0, zero, e64, m8, ta, ma
vmv.v.x v8, zero
@ -199,6 +204,7 @@ endfunc
// (a0) = (a0) + (a1), (a1) = (a0) - (a1) [0..a2-1]
func ff_butterflies_fixed_rvv, zve32x, zba
lpad 0
1:
vsetvli t0, a2, e32, m4, ta, ma
vle32.v v16, (a0)

12
libavutil/riscv/float_dsp_rvv.S
View File

@ -22,6 +22,7 @@
// (a0) = (a1) * (a2) [0..a3-1]
func ff_vector_fmul_rvv, zve32f, zba
lpad 0
1:
vsetvli t0, a3, e32, m8, ta, ma
vle32.v v16, (a1)
@ -39,6 +40,7 @@ endfunc
// (a0) += (a1) * fa0 [0..a2-1]
func ff_vector_fmac_scalar_rvv, zve32f, zba
lpad 0
NOHWF fmv.w.x fa0, a2
NOHWF mv a2, a3
1:
@ -58,6 +60,7 @@ endfunc
// (a0) = (a1) * fa0 [0..a2-1]
func ff_vector_fmul_scalar_rvv, zve32f, zba
lpad 0
NOHWF fmv.w.x fa0, a2
NOHWF mv a2, a3
1:
@ -74,6 +77,7 @@ NOHWF mv a2, a3
endfunc
func ff_vector_fmul_window_rvv, zve32f, zba
lpad 0
// a0: dst, a1: src0, a2: src1, a3: window, a4: length
// e16/m2 and e32/m4 are possible but slower due to gather.
vsetvli t0, zero, e16, m1, ta, ma
@ -114,6 +118,7 @@ endfunc
// (a0) = (a1) * (a2) + (a3) [0..a4-1]
func ff_vector_fmul_add_rvv, zve32f, zba
lpad 0
1:
vsetvli t0, a4, e32, m8, ta, ma
vle32.v v8, (a1)
@ -134,6 +139,7 @@ endfunc
// TODO factor vrsub, separate last iteration?
// (a0) = (a1) * reverse(a2) [0..a3-1]
func ff_vector_fmul_reverse_rvv, zve32f, zba
lpad 0
// e16/m4 and e32/m8 are possible but slower due to gather.
vsetvli t0, zero, e16, m1, ta, ma
sh2add a2, a3, a2
@ -160,6 +166,7 @@ endfunc
// (a0) = (a0) + (a1), (a1) = (a0) - (a1) [0..a2-1]
func ff_butterflies_float_rvv, zve32f, zba
lpad 0
1:
vsetvli t0, a2, e32, m8, ta, ma
vle32.v v16, (a0)
@ -178,6 +185,7 @@ endfunc
// a0 = (a0).(a1) [0..a2-1]
func ff_scalarproduct_float_rvv, zve32f, zba
lpad 0
vsetvli t0, zero, e32, m8, ta, ma
vmv.v.x v8, zero
vmv.s.x v0, zero
@ -200,6 +208,7 @@ endfunc
// (a0) = (a1) * (a2) [0..a3-1]
func ff_vector_dmul_rvv, zve64d, zba
lpad 0
1:
vsetvli t0, a3, e64, m8, ta, ma
vle64.v v16, (a1)
@ -217,6 +226,7 @@ endfunc
// (a0) += (a1) * fa0 [0..a2-1]
func ff_vector_dmac_scalar_rvv, zve64d, zba
lpad 0
NOHWD fmv.d.x fa0, a2
NOHWD mv a2, a3
1:
@ -235,6 +245,7 @@ endfunc
// (a0) = (a1) * fa0 [0..a2-1]
func ff_vector_dmul_scalar_rvv, zve64d, zba
lpad 0
NOHWD fmv.d.x fa0, a2
NOHWD mv a2, a3
1:
@ -251,6 +262,7 @@ NOHWD mv a2, a3
endfunc
func ff_scalarproduct_double_rvv, zve64f, zba
lpad 0
vsetvli t0, zero, e64, m8, ta, ma
vmv.v.x v8, zero
vmv.s.x v0, zero

1
libavutil/riscv/lls_rvv.S
View File

@ -21,6 +21,7 @@
#include "asm.S"
func ff_lls_update_covariance_rvv, zve64d, zbb
lpad 0
vtype_vli t0, a2, t1, e64, ta, ma
vsetvl zero, a2, t0
vle64.v v8, (a1)