aboutsummaryrefslogtreecommitdiff
path: root/target-arm/helper.h
diff options
context:
space:
mode:
authorAlex Bennée <alex.bennee@linaro.org>2014-03-17 16:31:53 +0000
committerPeter Maydell <peter.maydell@linaro.org>2014-03-17 16:31:53 +0000
commitc2fb418e35be3eb1f60987174f94c029f7d4dd7d (patch)
tree1ed62625c2e5f4dbc921662d9eb29d6523e6391e /target-arm/helper.h
parent5553955eb6ec890f324a2ff6c6cc1365b98b981f (diff)
target-arm: A64: Add [UF]RSQRTE (reciprocal root estimate)
This adds support for [UF]RSQRTE instructions. It utilises the existing NEON helpers with some changes. The changes include an explicit passing of fpstatus (so the correct one is used between arm32 and aarch64), denormilzation, more correct error handling and also proper scaling of the fraction going into the estimate. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 1394822294-14837-25-git-send-email-peter.maydell@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/helper.h')
-rw-r--r--target-arm/helper.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/target-arm/helper.h b/target-arm/helper.h
index f96a82415a..a3d6f32b06 100644
--- a/target-arm/helper.h
+++ b/target-arm/helper.h
@@ -169,9 +169,10 @@ DEF_HELPER_3(recps_f32, f32, f32, f32, env)
DEF_HELPER_3(rsqrts_f32, f32, f32, f32, env)
DEF_HELPER_FLAGS_2(recpe_f32, TCG_CALL_NO_RWG, f32, f32, ptr)
DEF_HELPER_FLAGS_2(recpe_f64, TCG_CALL_NO_RWG, f64, f64, ptr)
-DEF_HELPER_2(rsqrte_f32, f32, f32, env)
+DEF_HELPER_FLAGS_2(rsqrte_f32, TCG_CALL_NO_RWG, f32, f32, ptr)
+DEF_HELPER_FLAGS_2(rsqrte_f64, TCG_CALL_NO_RWG, f64, f64, ptr)
DEF_HELPER_2(recpe_u32, i32, i32, ptr)
-DEF_HELPER_2(rsqrte_u32, i32, i32, env)
+DEF_HELPER_FLAGS_2(rsqrte_u32, TCG_CALL_NO_RWG, i32, i32, ptr)
DEF_HELPER_5(neon_tbl, i32, env, i32, i32, i32, i32)
DEF_HELPER_3(shl_cc, i32, env, i32, i32)