From: Frank Ch. Eigler <fche@redhat.com>
Date: Wed, 29 Apr 1998 17:01:23 +0000 (+0000)
Subject: * Test case for modular arithmetic hardware erratum, c.f. PR 14887.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=2325ac592fbb17b5605270f65e089e793da4e6c3;p=deliverable%2Fbinutils-gdb.git

* Test case for modular arithmetic hardware erratum, c.f. PR 14887.

Wed Apr 29 12:49:00 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* ls-modaddr.S: New test for modular addressing.
	* Makefile.in: Run it.
---

diff --git a/sim/testsuite/d30v-elf/.Sanitize b/sim/testsuite/d30v-elf/.Sanitize
index e9325bd226..fd1fd13b80 100644
--- a/sim/testsuite/d30v-elf/.Sanitize
+++ b/sim/testsuite/d30v-elf/.Sanitize
@@ -53,6 +53,7 @@ ls-ldhu.S
 ls-ldw.S
 ls-moddec.S
 ls-modinc.S
+ls-modaddr.S
 ls-st2h.S
 ls-st2w.S
 ls-st4hb.S
diff --git a/sim/testsuite/d30v-elf/ls-modaddr.S b/sim/testsuite/d30v-elf/ls-modaddr.S
new file mode 100644
index 0000000000..55634e9e2a
--- /dev/null
+++ b/sim/testsuite/d30v-elf/ls-modaddr.S
@@ -0,0 +1,37 @@
+	; Modular address postincrement test
+	
+start:	
+	; set modular address limits: 0x18 bytes
+	add  r1,r0,0x20000070    ; [start, ...
+	nop || nop
+	mvtsys mod_s,r1 || nop
+	nop || nop
+	add  r1,r0,0x20000088    ; ..., end)
+	nop || nop
+	mvtsys mod_e,r1 || nop
+
+	;  program PSW for modular address mode
+	add  r1,r0,0x81000000
+	nop || nop
+	mvtsys psw,r1 || nop
+	nop || nop
+
+	; modular autoincrement test
+	add	r30,r0,0x20000070 ; base address = mod_s
+	ld2w	r40,@(r30+,r0) || nop ; after:     r30 = ...078
+	ld2w	r40,@(r30+,r0) || nop ; after:	r30 = ...080
+	ld2w	r40,@(r30+,r0) || nop ; after:	r30 = ...070
+	
+	add	r29,r0,0x20000070 ; expected end address; wrapping around
+	cmpeq	f1,r30,r29
+	bra/xf	fail
+
+	; Q: what about autodecrement?
+	
+ok:	
+	add	r2,r0,0	
+	.long	0x0e000004, 0x00f00000
+		
+fail:	
+	add	r2,r0,47	
+	.long	0x0e000004, 0x00f00000