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authorTom Musta <tommusta@gmail.com>2014-01-15 08:10:44 -0600
committerAlexander Graf <agraf@suse.de>2014-03-05 03:06:37 +0100
commit3d1140bf3e73e4fd244914bdf2867fe634759c71 (patch)
treec3fcbc03b47f63c5e98b8d32c42a6b0112caf4e0 /target-ppc/fpu_helper.c
parent097ec5d850df7dd1da87220726ce87a6ab3566c4 (diff)
downloadqemu-3d1140bf3e73e4fd244914bdf2867fe634759c71.tar.gz
target-ppc: Scalar Round to Single Precision
This patch adds the VSX Scalar Round to Single Precision (xsrsp) instruction. Signed-off-by: Tom Musta <tommusta@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc/fpu_helper.c')
-rw-r--r--target-ppc/fpu_helper.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c
index 1dfb3c0272..c35135eb8e 100644
--- a/target-ppc/fpu_helper.c
+++ b/target-ppc/fpu_helper.c
@@ -2666,3 +2666,14 @@ VSX_ROUND(xvrspic, 4, float32, f32, FLOAT_ROUND_CURRENT, 0)
VSX_ROUND(xvrspim, 4, float32, f32, float_round_down, 0)
VSX_ROUND(xvrspip, 4, float32, f32, float_round_up, 0)
VSX_ROUND(xvrspiz, 4, float32, f32, float_round_to_zero, 0)
+
+uint64_t helper_xsrsp(CPUPPCState *env, uint64_t xb)
+{
+ helper_reset_fpstatus(env);
+
+ uint64_t xt = helper_frsp(env, xb);
+
+ helper_compute_fprf(env, xt, 1);
+ helper_float_check_status(env);
+ return xt;
+}