add unit test for fp16 2-packed

diff --git a/isa/rv64uf/sv_fadd_elwidth.S b/isa/rv64uf/sv_fadd_elwidth.S
index 264708a931b5b6a8032fabc9adad83544487f9e3..1189a6ec9a9109f791c168e71e49c25a99cc65d2 100644 (file)
--- a/isa/rv64uf/sv_fadd_elwidth.S
+++ b/isa/rv64uf/sv_fadd_elwidth.S
@@ -3,12 +3,12 @@
 
 RVTEST_RV64UF
 
-#define SV_ELWIDTH_TEST( vl, wid1, wid2, wid3, testdata, answer ) \
+#define SV_ELWIDTH_TEST( vl, wid1, wid2, wid3, tdata, ans ) \
                                                                 \
-        SV_FLW_DATA( f4, ( testdata + 0) , 0) ;                      \
-        SV_FLW_DATA( f5, ( testdata + 4), 0)  ;                      \
-        SV_FLW_DATA( f6, ( testdata + 8), 0)  ;                      \
-        SV_FLW_DATA( f7, ( testdata + 12), 0) ;                      \
+        SV_FLW_DATA( f4, ( tdata + 0) , 0) ;                      \
+        SV_FLW_DATA( f5, ( tdata + 4), 0)  ;                      \
+        SV_FLW_DATA( f6, ( tdata + 8), 0)  ;                      \
+        SV_FLW_DATA( f7, ( tdata + 12), 0) ;                      \
                                                                 \
         SET_SV_MVL( vl )                      ;                    \
         SET_SV_3CSRS( SV_REG_CSR(0, 2, wid1, 2, 1),                \
@@ -22,8 +22,8 @@ RVTEST_RV64UF
         SET_SV_VL(1) ;                                          \
         SET_SV_MVL(1) ;                                         \
                                                                 \
-        TEST_SV_FW(0, f2, answer+0, 0) ;                        \
-        TEST_SV_FW(0, f3, answer+4, 0)
+        TEST_SV_FW(0, f2, ans+0, 0) ;                        \
+        TEST_SV_FW(0, f3, ans+4, 0)
 
 # SV test: vector-vector fadd
 #
@@ -51,18 +51,18 @@ testdata:
         .float 1.0
         .float 2.0
 answer:
-        .word 0xffff5140   # 42.0 fp16
-        .word 0xffff5180   # 44.0 fp16
+        .word 0x51805140 # 44 fp16 42 fp16, tested as-is, even if it goes to fp
+        .word 0x0        # before going to int for comparison (TEST_SV_FW)
 
 
 testdata2:
-        .word 0xffff5120   # 41 fp16
+        .word 0x51405120   # 42 fp16 41 fp16
         .word 0xffff5140   # 42 fp16
         .float 1.0
         .float 2.0
 answer2:
-        .word 0xffff5140
-        .word 0xffff5180
+        .word 0x51805140
+        .word 0x0
 # Output data section.
 RVTEST_DATA_BEGIN   # Start of test output data region.
         .align 3