1999-01-13 Jason Molenda (jsm@bugshack.cygnus.com)

	* t-sadd.s: New file.
	* Makefile.in (TESTS): Add t-sadd.

PR 18438.

diff --git a/sim/testsuite/d10v-elf/.Sanitize b/sim/testsuite/d10v-elf/.Sanitize
index 7ab96da..ad4fccc 100644 (file)
--- a/sim/testsuite/d10v-elf/.Sanitize
+++ b/sim/testsuite/d10v-elf/.Sanitize
@@ -21,6 +21,7 @@ t-rachi.s
 t-rdt.s
 t-rep.s
 t-rte.s
+t-sadd.s
 t-sp.s
 t-sub.s
 t-sub2w.s

diff --git a/sim/testsuite/d10v-elf/t-sadd.s b/sim/testsuite/d10v-elf/t-sadd.s
new file mode 100644 (file)
index 0000000..f3e4ebe
--- /dev/null
+++ b/sim/testsuite/d10v-elf/t-sadd.s
@@ -0,0 +1,38 @@
+.include "t-macros.i"
+
+       start
+
+       PSW_BITS = PSW_FX|PSW_ST|PSW_SM
+        loadpsw2 PSW_BITS
+
+ ;; Test normal sadd
+
+        loadacc2 a0 0x00 0x7fff 0xffff
+        loadacc2 a1 0xff 0x8000 0x0000
+        sadd a1, a0
+        checkacc2 1 a0 0x00 0x7fff 0xffff
+        checkacc2 2 a1 0xff 0x8000 0x7fff
+
+ ;; Test overflow 
+
+        loadacc2 a0 0x00 0x0000 0x0000
+        loadacc2 a1 0x01 0x8000 0x0000
+        sadd a1, a0
+        checkacc2 3 a0 0x00 0x0000 0x0000
+        checkacc2 4 a1 0x00 0x7fff 0xffff
+
+        loadacc2 a0 0x00 0xffff 0xffff
+        loadacc2 a1 0x00 0xffff 0xffff
+        sadd a1, a0
+        checkacc2 5 a1 0x00 0x7fff 0xffff
+        checkacc2 6 a0 0x00 0xffff 0xffff
+
+ ;; Test underflow
+
+        loadacc2 a0 0x00 0x0000 0x0000
+        loadacc2 a1 0x80 0x8000 0x0000
+        sadd a1, a0
+        checkacc2 7 a0 0x00 0x0000 0x0000
+        checkacc2 8 a1 0xff 0x8000 0x0000
+
+       exit0