Hexagon (target/hexagon) add A6_vminub_RdP

Rdd32,Pe4 = vminub(Rtt32, Rss32)
    Vector min of bytes

Test cases in tests/tcg/hexagon/multi_result.c

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-21-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/tests/tcg/hexagon/multi_result.c b/tests/tcg/hexagon/multi_result.c
index c21148fc20..95d99a0c90 100644
--- a/tests/tcg/hexagon/multi_result.c
+++ b/tests/tcg/hexagon/multi_result.c
@@ -70,6 +70,21 @@ static long long vacsh(long long Rxx, long long Rss, long long Rtt,
   return result;
 }
 
+static long long vminub(long long Rtt, long long Rss,
+                        int *pred_result)
+{
+  long long result;
+  int predval;
+
+  asm volatile("%0,p0 = vminub(%2, %3)\n\t"
+               "%1 = p0\n\t"
+               : "=r"(result), "=r"(predval)
+               : "r"(Rtt), "r"(Rss)
+               : "p0");
+  *pred_result = predval;
+  return result;
+}
+
 int err;
 
 static void check_ll(long long val, long long expect)
@@ -155,11 +170,30 @@ static void test_vacsh()
     check(ovf_result, 0);
 }
 
+static void test_vminub()
+{
+    long long res64;
+    int pred_result;
+
+    res64 = vminub(0x0807060504030201LL,
+                   0x0102030405060708LL,
+                   &pred_result);
+    check_ll(res64, 0x0102030404030201LL);
+    check_p(pred_result, 0xf0);
+
+    res64 = vminub(0x0802060405030701LL,
+                   0x0107030504060208LL,
+                   &pred_result);
+    check_ll(res64, 0x0102030404030201LL);
+    check_p(pred_result, 0xaa);
+}
+
 int main()
 {
     test_sfrecipa();
     test_sfinvsqrta();
     test_vacsh();
+    test_vminub();
 
     puts(err ? "FAIL" : "PASS");
     return err;