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target/arm: Remove helper_neon_{add,sub}l_u{16,32}

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These have generic equivalents: tcg_gen_vec_{add,sub}{16,32}_i64.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241211163036.2297116-48-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2024-12-11 10:30:14 -06:00 • committed by Peter Maydell
parent 09e7f80e58
commit 07e0d7a0c7
3 changed files with 11 additions and 51 deletions
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4
target/arm/helper.h
View file

@ -395,12 +395,8 @@ DEF_HELPER_1(neon_widen_s8, i64, i32)
DEF_HELPER_1(neon_widen_u16, i64, i32)
DEF_HELPER_1(neon_widen_s16, i64, i32)
DEF_HELPER_2(neon_addl_u16, i64, i64, i64)
DEF_HELPER_2(neon_addl_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_u32, i64, i64, i64)
DEF_HELPER_3(neon_addl_saturate_s32, i64, env, i64, i64)
DEF_HELPER_3(neon_addl_saturate_s64, i64, env, i64, i64)
DEF_HELPER_2(neon_abdl_u16, i64, i32, i32)

36
target/arm/tcg/neon_helper.c
View file

@ -826,24 +826,6 @@ uint64_t HELPER(neon_widen_s16)(uint32_t x)
return ((uint32_t)(int16_t)x) | (high << 32);
}
uint64_t HELPER(neon_addl_u16)(uint64_t a, uint64_t b)
{
uint64_t mask;
mask = (a ^ b) & 0x8000800080008000ull;
a &= ~0x8000800080008000ull;
b &= ~0x8000800080008000ull;
return (a + b) ^ mask;
}
uint64_t HELPER(neon_addl_u32)(uint64_t a, uint64_t b)
{
uint64_t mask;
mask = (a ^ b) & 0x8000000080000000ull;
a &= ~0x8000000080000000ull;
b &= ~0x8000000080000000ull;
return (a + b) ^ mask;
}
/* Pairwise long add: add pairs of adjacent elements into
* double-width elements in the result (eg _s8 is an 8x8->16 op)
*/
@ -887,24 +869,6 @@ uint64_t HELPER(neon_addlp_s16)(uint64_t a)
return (uint32_t)reslo | (((uint64_t)reshi) << 32);
}
uint64_t HELPER(neon_subl_u16)(uint64_t a, uint64_t b)
{
uint64_t mask;
mask = (a ^ ~b) & 0x8000800080008000ull;
a |= 0x8000800080008000ull;
b &= ~0x8000800080008000ull;
return (a - b) ^ mask;
}
uint64_t HELPER(neon_subl_u32)(uint64_t a, uint64_t b)
{
uint64_t mask;
mask = (a ^ ~b) & 0x8000000080000000ull;
a |= 0x8000000080000000ull;
b &= ~0x8000000080000000ull;
return (a - b) ^ mask;
}
uint64_t HELPER(neon_addl_saturate_s32)(CPUARMState *env, uint64_t a, uint64_t b)
{
uint32_t x, y;

22
target/arm/tcg/translate-neon.c
View file

@ -1560,8 +1560,8 @@ static bool do_prewiden_3d(DisasContext *s, arg_3diff *a,
NULL, NULL, \
}; \
static NeonGenTwo64OpFn * const addfn[] = { \
gen_helper_neon_##OP##l_u16, \
gen_helper_neon_##OP##l_u32, \
tcg_gen_vec_##OP##16_i64, \
tcg_gen_vec_##OP##32_i64, \
tcg_gen_##OP##_i64, \
NULL, \
}; \
@ -1639,8 +1639,8 @@ static bool do_narrow_3d(DisasContext *s, arg_3diff *a,
static bool trans_##INSN##_3d(DisasContext *s, arg_3diff *a) \
{ \
static NeonGenTwo64OpFn * const addfn[] = { \
gen_helper_neon_##OP##l_u16, \
gen_helper_neon_##OP##l_u32, \
tcg_gen_vec_##OP##16_i64, \
tcg_gen_vec_##OP##32_i64, \
tcg_gen_##OP##_i64, \
NULL, \
}; \
@ -1761,8 +1761,8 @@ static bool trans_VABAL_S_3d(DisasContext *s, arg_3diff *a)
NULL,
};
static NeonGenTwo64OpFn * const addfn[] = {
gen_helper_neon_addl_u16,
gen_helper_neon_addl_u32,
tcg_gen_vec_add16_i64,
tcg_gen_vec_add32_i64,
tcg_gen_add_i64,
NULL,
};
@ -1779,8 +1779,8 @@ static bool trans_VABAL_U_3d(DisasContext *s, arg_3diff *a)
NULL,
};
static NeonGenTwo64OpFn * const addfn[] = {
gen_helper_neon_addl_u16,
gen_helper_neon_addl_u32,
tcg_gen_vec_add16_i64,
tcg_gen_vec_add32_i64,
tcg_gen_add_i64,
NULL,
};
@ -1840,8 +1840,8 @@ static bool trans_VMULL_U_3d(DisasContext *s, arg_3diff *a)
NULL, \
}; \
static NeonGenTwo64OpFn * const accfn[] = { \
gen_helper_neon_##ACC##l_u16, \
gen_helper_neon_##ACC##l_u32, \
tcg_gen_vec_##ACC##16_i64, \
tcg_gen_vec_##ACC##32_i64, \
tcg_gen_##ACC##_i64, \
NULL, \
}; \
@ -2371,7 +2371,7 @@ static bool trans_VMULL_U_2sc(DisasContext *s, arg_2scalar *a)
}; \
static NeonGenTwo64OpFn * const accfn[] = { \
NULL, \
gen_helper_neon_##ACC##l_u32, \
tcg_gen_vec_##ACC##32_i64, \
tcg_gen_##ACC##_i64, \
NULL, \
}; \