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target-arm: Use TCG operation for Neon 64 bit negation

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Use the TCG operation to do Neon 64 bit negations rather than calling
a helper routine for it.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2012-10-18 16:58:52 +01:00
parent f296c0d172
commit ee6fa5593e
3 changed files with 3 additions and 8 deletions
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1
target-arm/helper.h
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@ -339,7 +339,6 @@ DEF_HELPER_2(neon_mull_s16, i64, i32, i32)
DEF_HELPER_1(neon_negl_u16, i64, i64)
DEF_HELPER_1(neon_negl_u32, i64, i64)
DEF_HELPER_1(neon_negl_u64, i64, i64)
DEF_HELPER_2(neon_qabs_s8, i32, env, i32)
DEF_HELPER_2(neon_qabs_s16, i32, env, i32)

6
target-arm/neon_helper.c
View File

@ -1664,12 +1664,6 @@ uint64_t HELPER(neon_negl_u32)(uint64_t x)
return low | ((uint64_t)high << 32);
}
/* FIXME: There should be a native op for this. */
uint64_t HELPER(neon_negl_u64)(uint64_t x)
{
return -x;
}
/* Saturating sign manipulation. */
/* ??? Make these use NEON_VOP1 */
#define DO_QABS8(x) do { \

4
target-arm/translate.c
View File

@ -4184,7 +4184,9 @@ static inline void gen_neon_negl(TCGv_i64 var, int size)
switch (size) {
case 0: gen_helper_neon_negl_u16(var, var); break;
case 1: gen_helper_neon_negl_u32(var, var); break;
case 2: gen_helper_neon_negl_u64(var, var); break;
case 2:
tcg_gen_neg_i64(var, var);
break;
default: abort();
}
}