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authorPeter Maydell <peter.maydell@linaro.org>2012-10-18 16:58:52 +0100
committerPeter Maydell <peter.maydell@linaro.org>2012-10-24 13:33:29 +0100
commitee6fa5593ebfc437cbedaf28de8b66b2e7d44e70 (patch)
tree7a9869e5da85332d8158be3435501c6ce961eeb6
parentf296c0d172735612cad8af5fafb8dedeaaa2a109 (diff)
target-arm: Use TCG operation for Neon 64 bit negation
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>
-rw-r--r--target-arm/helper.h1
-rw-r--r--target-arm/neon_helper.c6
-rw-r--r--target-arm/translate.c4
3 files changed, 3 insertions, 8 deletions
diff --git a/target-arm/helper.h b/target-arm/helper.h
index 8b9adf1311..fa3472f0b9 100644
--- a/target-arm/helper.h
+++ b/target-arm/helper.h
@@ -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)
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index 9aa920d2ac..89280b6eeb 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -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 { \
diff --git a/target-arm/translate.c b/target-arm/translate.c
index daccb15c23..d33f94c0fd 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -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();
}
}