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target/arm: Move helper_neon_addlp_{s8, s16} to neon_helper.c

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Move from helper-a64.c to neon_helper.c so that these
functions are available for arm32 code as well.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241211163036.2297116-45-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2024-12-11 10:30:11 -06:00 committed by Peter Maydell
parent 7c6bdcdaed
commit e90cf92209
4 changed files with 45 additions and 45 deletions
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2
target/arm/helper.h
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@ -399,6 +399,8 @@ DEF_HELPER_2(neon_addl_u16, i64, i64, i64)
DEF_HELPER_2(neon_addl_u32, i64, i64, i64) DEF_HELPER_2(neon_addl_u32, i64, i64, i64)
DEF_HELPER_2(neon_paddl_u16, i64, i64, i64) DEF_HELPER_2(neon_paddl_u16, i64, i64, i64)
DEF_HELPER_2(neon_paddl_u32, i64, i64, i64) DEF_HELPER_2(neon_paddl_u32, i64, i64, i64)
DEF_HELPER_FLAGS_1(neon_addlp_s8, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(neon_addlp_s16, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_2(neon_subl_u16, i64, i64, i64) DEF_HELPER_2(neon_subl_u16, i64, i64, i64)
DEF_HELPER_2(neon_subl_u32, i64, i64, i64) DEF_HELPER_2(neon_subl_u32, i64, i64, i64)
DEF_HELPER_3(neon_addl_saturate_s32, i64, env, i64, i64) DEF_HELPER_3(neon_addl_saturate_s32, i64, env, i64, i64)

43
target/arm/tcg/helper-a64.c
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@ -306,39 +306,6 @@ float64 HELPER(rsqrtsf_f64)(float64 a, float64 b, void *fpstp)
return float64_muladd(a, b, float64_three, float_muladd_halve_result, fpst); return float64_muladd(a, b, float64_three, float_muladd_halve_result, fpst);
} }
/* Pairwise long add: add pairs of adjacent elements into
* double-width elements in the result (eg _s8 is an 8x8->16 op)
*/
uint64_t HELPER(neon_addlp_s8)(uint64_t a)
{
uint64_t nsignmask = 0x0080008000800080ULL;
uint64_t wsignmask = 0x8000800080008000ULL;
uint64_t elementmask = 0x00ff00ff00ff00ffULL;
uint64_t tmp1, tmp2;
uint64_t res, signres;
/* Extract odd elements, sign extend each to a 16 bit field */
tmp1 = a & elementmask;
tmp1 ^= nsignmask;
tmp1 |= wsignmask;
tmp1 = (tmp1 - nsignmask) ^ wsignmask;
/* Ditto for the even elements */
tmp2 = (a >> 8) & elementmask;
tmp2 ^= nsignmask;
tmp2 |= wsignmask;
tmp2 = (tmp2 - nsignmask) ^ wsignmask;
/* calculate the result by summing bits 0..14, 16..22, etc,
* and then adjusting the sign bits 15, 23, etc manually.
* This ensures the addition can't overflow the 16 bit field.
*/
signres = (tmp1 ^ tmp2) & wsignmask;
res = (tmp1 & ~wsignmask) + (tmp2 & ~wsignmask);
res ^= signres;
return res;
}
uint64_t HELPER(neon_addlp_u8)(uint64_t a) uint64_t HELPER(neon_addlp_u8)(uint64_t a)
{ {
uint64_t tmp; uint64_t tmp;
@ -348,16 +315,6 @@ uint64_t HELPER(neon_addlp_u8)(uint64_t a)
return tmp; return tmp;
} }
uint64_t HELPER(neon_addlp_s16)(uint64_t a)
{
int32_t reslo, reshi;
reslo = (int32_t)(int16_t)a + (int32_t)(int16_t)(a >> 16);
reshi = (int32_t)(int16_t)(a >> 32) + (int32_t)(int16_t)(a >> 48);
return (uint32_t)reslo | (((uint64_t)reshi) << 32);
}
uint64_t HELPER(neon_addlp_u16)(uint64_t a) uint64_t HELPER(neon_addlp_u16)(uint64_t a)
{ {
uint64_t tmp; uint64_t tmp;

2
target/arm/tcg/helper-a64.h
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@ -41,9 +41,7 @@ DEF_HELPER_FLAGS_3(recpsf_f64, TCG_CALL_NO_RWG, f64, f64, f64, ptr)
DEF_HELPER_FLAGS_3(rsqrtsf_f16, TCG_CALL_NO_RWG, f16, f16, f16, ptr) DEF_HELPER_FLAGS_3(rsqrtsf_f16, TCG_CALL_NO_RWG, f16, f16, f16, ptr)
DEF_HELPER_FLAGS_3(rsqrtsf_f32, TCG_CALL_NO_RWG, f32, f32, f32, ptr) DEF_HELPER_FLAGS_3(rsqrtsf_f32, TCG_CALL_NO_RWG, f32, f32, f32, ptr)
DEF_HELPER_FLAGS_3(rsqrtsf_f64, TCG_CALL_NO_RWG, f64, f64, f64, ptr) DEF_HELPER_FLAGS_3(rsqrtsf_f64, TCG_CALL_NO_RWG, f64, f64, f64, ptr)
DEF_HELPER_FLAGS_1(neon_addlp_s8, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(neon_addlp_u8, TCG_CALL_NO_RWG_SE, i64, i64) DEF_HELPER_FLAGS_1(neon_addlp_u8, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(neon_addlp_s16, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(neon_addlp_u16, TCG_CALL_NO_RWG_SE, i64, i64) DEF_HELPER_FLAGS_1(neon_addlp_u16, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_2(frecpx_f64, TCG_CALL_NO_RWG, f64, f64, ptr) DEF_HELPER_FLAGS_2(frecpx_f64, TCG_CALL_NO_RWG, f64, f64, ptr)
DEF_HELPER_FLAGS_2(frecpx_f32, TCG_CALL_NO_RWG, f32, f32, ptr) DEF_HELPER_FLAGS_2(frecpx_f32, TCG_CALL_NO_RWG, f32, f32, ptr)

43
target/arm/tcg/neon_helper.c
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@ -866,6 +866,49 @@ uint64_t HELPER(neon_paddl_u32)(uint64_t a, uint64_t b)
return low + ((uint64_t)high << 32); return low + ((uint64_t)high << 32);
} }
/* Pairwise long add: add pairs of adjacent elements into
* double-width elements in the result (eg _s8 is an 8x8->16 op)
*/
uint64_t HELPER(neon_addlp_s8)(uint64_t a)
{
uint64_t nsignmask = 0x0080008000800080ULL;
uint64_t wsignmask = 0x8000800080008000ULL;
uint64_t elementmask = 0x00ff00ff00ff00ffULL;
uint64_t tmp1, tmp2;
uint64_t res, signres;
/* Extract odd elements, sign extend each to a 16 bit field */
tmp1 = a & elementmask;
tmp1 ^= nsignmask;
tmp1 |= wsignmask;
tmp1 = (tmp1 - nsignmask) ^ wsignmask;
/* Ditto for the even elements */
tmp2 = (a >> 8) & elementmask;
tmp2 ^= nsignmask;
tmp2 |= wsignmask;
tmp2 = (tmp2 - nsignmask) ^ wsignmask;
/* calculate the result by summing bits 0..14, 16..22, etc,
* and then adjusting the sign bits 15, 23, etc manually.
* This ensures the addition can't overflow the 16 bit field.
*/
signres = (tmp1 ^ tmp2) & wsignmask;
res = (tmp1 & ~wsignmask) + (tmp2 & ~wsignmask);
res ^= signres;
return res;
}
uint64_t HELPER(neon_addlp_s16)(uint64_t a)
{
int32_t reslo, reshi;
reslo = (int32_t)(int16_t)a + (int32_t)(int16_t)(a >> 16);
reshi = (int32_t)(int16_t)(a >> 32) + (int32_t)(int16_t)(a >> 48);
return (uint32_t)reslo | (((uint64_t)reshi) << 32);
}
uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b) uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b)
{ {
uint64_t mask; uint64_t mask;