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| author | Tamar Christina <tamar.christina@arm.com> | 2020-12-16 20:44:57 +0000 |
|---|---|---|
| committer | Tamar Christina <tamar.christina@arm.com> | 2020-12-16 20:44:57 +0000 |
| commit | 9732dc855e59e53d2c27a9b4a3c9bfa7197f6c43 (patch) | |
| tree | be77010ed0e8f0275398d74acde06c0b32dcc20b /gcc/config.gcc | |
| parent | 84747acf8da36425f7e36cf99b251ee047b2e3a5 (diff) | |
| download | gcc-9732dc855e59e53d2c27a9b4a3c9bfa7197f6c43.zip gcc-9732dc855e59e53d2c27a9b4a3c9bfa7197f6c43.tar.gz gcc-9732dc855e59e53d2c27a9b4a3c9bfa7197f6c43.tar.bz2 | |
Arm: Add NEON and MVE RTL patterns for Complex Addition.
This adds implementation for the optabs for complex additions. With this the
following C code:
void f90 (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] * I);
}
generates
f90:
add r3, r2, #1600
.L2:
vld1.32 {q8}, [r0]!
vld1.32 {q9}, [r1]!
vcadd.f32 q8, q8, q9, #90
vst1.32 {q8}, [r2]!
cmp r3, r2
bne .L2
bx lr
instead of
f90:
add r3, r2, #1600
.L2:
vld2.32 {d24-d27}, [r0]!
vld2.32 {d20-d23}, [r1]!
vsub.f32 q8, q12, q11
vadd.f32 q9, q13, q10
vst2.32 {d16-d19}, [r2]!
cmp r3, r2
bne .L2
bx lr
gcc/ChangeLog:
* config/arm/arm_mve.h (__arm_vcaddq_rot90_u8, __arm_vcaddq_rot270_u8,
__arm_vcaddq_rot90_s8, __arm_vcaddq_rot270_s8,
__arm_vcaddq_rot90_u16, __arm_vcaddq_rot270_u16,
__arm_vcaddq_rot90_s16, __arm_vcaddq_rot270_s16,
__arm_vcaddq_rot90_u32, __arm_vcaddq_rot270_u32,
__arm_vcaddq_rot90_s32, __arm_vcaddq_rot270_s32,
__arm_vcaddq_rot90_f16, __arm_vcaddq_rot270_f16,
__arm_vcaddq_rot90_f32, __arm_vcaddq_rot270_f32): Update builtin calls.
* config/arm/arm_mve_builtins.def (vcaddq_rot90_u, vcaddq_rot270_u,
vcaddq_rot90_s, vcaddq_rot270_s, vcaddq_rot90_f, vcaddq_rot270_f):
Removed.
(vcaddq_rot90, vcaddq_rot270): New.
* config/arm/constraints.md (Dz): Include MVE.
* config/arm/iterators.md (mve_rot): New.
(supf): Remove VCADDQ_ROT270_S, VCADDQ_ROT270_U, VCADDQ_ROT90_S,
VCADDQ_ROT90_U.
(VCADDQ_ROT270, VCADDQ_ROT90): Removed.
* config/arm/mve.md (mve_vcaddq_rot270_<supf><mode,
mve_vcaddq_rot90_<supf><mode>, mve_vcaddq_rot270_f<mode>,
mve_vcaddq_rot90_f<mode>): Removed.
(mve_vcaddq<mve_rot><mode>, mve_vcaddq<mve_rot><mode>): New.
* config/arm/unspecs.md (VCADDQ_ROT270_S, VCADDQ_ROT90_S,
VCADDQ_ROT270_U, VCADDQ_ROT90_U, VCADDQ_ROT270_F,
VCADDQ_ROT90_F): Removed.
* config/arm/vec-common.md (cadd<rot><mode>3): New.
Diffstat (limited to 'gcc/config.gcc')
0 files changed, 0 insertions, 0 deletions