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add gather64_i8

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This commit is contained in:
Anton Mitrokhin
2014-12-24 17:59:17 +03:00
parent cd53e6abed
commit 797238464a
1 changed files with 33 additions and 28 deletions
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61
examples/intrinsics/knc.h
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@@ -3183,33 +3183,6 @@ __gather_base_offsets32_double(uint8_t *base, uint32_t scale, __vec16_i32 offset
return ret;
}
static FORCEINLINE __vec16_f
__gather64_float(__vec16_i64 addr, __vec16_i1 mask)
{
__vec16_f ret;
// There is no gather instruction with 64-bit offsets in KNC.
// We have to manually iterate over the upper 32 bits ;-)
__vec16_i1 still_to_do = mask;
const __vec16_i32 signed_offsets = _mm512_add_epi32(addr.v_lo, __smear_i32<__vec16_i32>((int32_t)INT_MIN));
while (still_to_do) {
int first_active_lane = _mm_tzcnt_32((int)still_to_do);
const uint &hi32 = ((uint*)&addr.v_hi)[first_active_lane];
__vec16_i1 match = _mm512_mask_cmp_epi32_mask(still_to_do,addr.v_hi,
__smear_i32<__vec16_i32>((int32_t)hi32),
_MM_CMPINT_EQ);
void * base = (void*)((((unsigned long)hi32) << 32) + (unsigned long)(-(long)INT_MIN));
ret.v = _mm512_mask_i32extgather_ps(ret.v, match, signed_offsets,
base, _MM_UPCONV_PS_NONE, 1,
_MM_HINT_NONE);
still_to_do = _mm512_kxor(match, still_to_do);
}
return ret;
}
static FORCEINLINE __vec16_i32
__gather64_i32(__vec16_i64 addr, __vec16_i1 mask)
{
@@ -3237,6 +3210,33 @@ __gather64_i32(__vec16_i64 addr, __vec16_i1 mask)
return ret;
}
static FORCEINLINE __vec16_f
__gather64_float(__vec16_i64 addr, __vec16_i1 mask)
{
__vec16_f ret;
// There is no gather instruction with 64-bit offsets in KNC.
// We have to manually iterate over the upper 32 bits ;-)
__vec16_i1 still_to_do = mask;
const __vec16_i32 signed_offsets = _mm512_add_epi32(addr.v_lo, __smear_i32<__vec16_i32>((int32_t)INT_MIN));
while (still_to_do) {
int first_active_lane = _mm_tzcnt_32((int)still_to_do);
const uint &hi32 = ((uint*)&addr.v_hi)[first_active_lane];
__vec16_i1 match = _mm512_mask_cmp_epi32_mask(still_to_do,addr.v_hi,
__smear_i32<__vec16_i32>((int32_t)hi32),
_MM_CMPINT_EQ);
void * base = (void*)((((unsigned long)hi32) << 32) + (unsigned long)(-(long)INT_MIN));
ret.v = _mm512_mask_i32extgather_ps(ret.v, match, signed_offsets,
base, _MM_UPCONV_PS_NONE, 1,
_MM_HINT_NONE);
still_to_do = _mm512_kxor(match, still_to_do);
}
return ret;
}
static FORCEINLINE __vec16_d
__gather64_double(__vec16_i64 addr, __vec16_i1 mask)
{
@@ -3290,7 +3290,6 @@ __gather_base_offsets64_float(uint8_t *_base, uint32_t scale, __vec16_i64 offset
static FORCEINLINE __vec16_i8 __gather_base_offsets64_i8(uint8_t *_base, uint32_t scale, __vec16_i64 offsets,
__vec16_i1 mask)
{
const __vec16_i32 signed_offsets = _mm512_add_epi32(offsets.v_lo, __smear_i32<__vec16_i32>((int32_t)INT_MIN));
__vec16_i1 still_to_do = mask;
__vec16_i32 tmp;
@@ -3313,6 +3312,12 @@ static FORCEINLINE __vec16_i8 __gather_base_offsets64_i8(uint8_t *_base, uint32_
return ret;
}
static FORCEINLINE __vec16_i8
__gather64_i8(__vec16_i64 addr, __vec16_i1 mask)
{
return __gather_base_offsets64_i8(0, 1, addr, mask);
}
static FORCEINLINE void __scatter_base_offsets64_float(uint8_t *_base, uint32_t scale, __vec16_i64 offsets,
__vec16_f value,