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| author | Tamar Christina <tamar.christina@arm.com> | 2021-01-25 08:56:37 +0000 |
|---|---|---|
| committer | Tamar Christina <tamar.christina@arm.com> | 2021-01-25 08:56:37 +0000 |
| commit | 389b67feac78c8f21c6946bf8e36a16060f45728 (patch) | |
| tree | bba2653b13762a99d6fc2124611642db96c14f0c /gcc/fortran/resolve.c | |
| parent | 02551aa99960ff6b0d9a44d234b8f6c9b230788c (diff) | |
| download | gcc-389b67feac78c8f21c6946bf8e36a16060f45728.zip gcc-389b67feac78c8f21c6946bf8e36a16060f45728.tar.gz gcc-389b67feac78c8f21c6946bf8e36a16060f45728.tar.bz2 | |
Arm: Add NEON and MVE complex mul, mla and mls patterns.
This adds implementation for the optabs for complex operations. With this the
following C code:
void g (float complex a[restrict N], float complex b[restrict N],
float complex c[restrict N])
{
for (int i=0; i < N; i++)
c[i] = a[i] * b[i];
}
generates
NEON:
g:
vmov.f32 q11, #0.0 @ v4sf
add r3, r2, #1600
.L2:
vmov q8, q11 @ v4sf
vld1.32 {q10}, [r1]!
vld1.32 {q9}, [r0]!
vcmla.f32 q8, q9, q10, #0
vcmla.f32 q8, q9, q10, #90
vst1.32 {q8}, [r2]!
cmp r3, r2
bne .L2
bx lr
MVE:
g:
push {lr}
mov lr, #100
dls lr, lr
.L2:
vldrw.32 q1, [r1], #16
vldrw.32 q2, [r0], #16
vcmul.f32 q3, q2, q1, #0
vcmla.f32 q3, q2, q1, #90
vstrw.32 q3, [r2], #16
le lr, .L2
ldr pc, [sp], #4
instead of
g:
add r3, r2, #1600
.L2:
vld2.32 {d20-d23}, [r0]!
vld2.32 {d16-d19}, [r1]!
vmul.f32 q14, q11, q9
vmul.f32 q15, q11, q8
vneg.f32 q14, q14
vfma.f32 q15, q10, q9
vfma.f32 q14, q10, q8
vmov q13, q15 @ v4sf
vmov q12, q14 @ v4sf
vst2.32 {d24-d27}, [r2]!
cmp r3, r2
bne .L2
bx lr
and
g:
add r3, r2, #1600
.L2:
vld2.32 {d20-d23}, [r0]!
vld2.32 {d16-d19}, [r1]!
vmul.f32 q15, q10, q8
vmul.f32 q14, q10, q9
vmls.f32 q15, q11, q9
vmla.f32 q14, q11, q8
vmov q12, q15 @ v4sf
vmov q13, q14 @ v4sf
vst2.32 {d24-d27}, [r2]!
cmp r3, r2
bne .L2
bx lr
respectively.
gcc/ChangeLog:
* config/arm/iterators.md (rotsplit1, rotsplit2, conj_op, fcmac1,
VCMLA_OP, VCMUL_OP): New.
* config/arm/mve.md (mve_vcmlaq<mve_rot><mode>): Support vec_dup 0.
* config/arm/neon.md (cmul<conj_op><mode>3): New.
* config/arm/unspecs.md (UNSPEC_VCMLA_CONJ, UNSPEC_VCMLA180_CONJ,
UNSPEC_VCMUL_CONJ): New.
* config/arm/vec-common.md (cmul<conj_op><mode>3, arm_vcmla<rot><mode>,
cml<fcmac1><conj_op><mode>4): New.
Diffstat (limited to 'gcc/fortran/resolve.c')
0 files changed, 0 insertions, 0 deletions