target-arm: Implement ARMv8 FP VMAXNM and VMINNM instructions.

This adds support for the ARMv8 floating point VMAXNM and VMINNM
instructions.

Signed-off-by: Will Newton <will.newton@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1386158099-9239-6-git-send-email-will.newton@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 263dbbf46d..8ec4cb1cd1 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -4085,3 +4085,28 @@ float64 VFP_HELPER(muladd, d)(float64 a, float64 b, float64 c, void *fpstp)
     float_status *fpst = fpstp;
     return float64_muladd(a, b, c, 0, fpst);
 }
+
+/* ARMv8 VMAXNM/VMINNM */
+float32 VFP_HELPER(maxnm, s)(float32 a, float32 b, void *fpstp)
+{
+    float_status *fpst = fpstp;
+    return float32_maxnum(a, b, fpst);
+}
+
+float64 VFP_HELPER(maxnm, d)(float64 a, float64 b, void *fpstp)
+{
+    float_status *fpst = fpstp;
+    return float64_maxnum(a, b, fpst);
+}
+
+float32 VFP_HELPER(minnm, s)(float32 a, float32 b, void *fpstp)
+{
+    float_status *fpst = fpstp;
+    return float32_minnum(a, b, fpst);
+}
+
+float64 VFP_HELPER(minnm, d)(float64 a, float64 b, void *fpstp)
+{
+    float_status *fpst = fpstp;
+    return float64_minnum(a, b, fpst);
+}