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| author | Frank Ch. Eigler <fche@redhat.com> | 1998-04-29 17:01:23 +0000 |
|---|---|---|
| committer | Frank Ch. Eigler <fche@redhat.com> | 1998-04-29 17:01:23 +0000 |
| commit | 2325ac592fbb17b5605270f65e089e793da4e6c3 (patch) | |
| tree | 5e1fbfbaa253be1a9a56ac3d192629af74e2dda2 /sim | |
| parent | 56c0f25a5b0431603ccc90db5f17ecefbda609d1 (diff) | |
| download | gdb-2325ac592fbb17b5605270f65e089e793da4e6c3.zip gdb-2325ac592fbb17b5605270f65e089e793da4e6c3.tar.gz gdb-2325ac592fbb17b5605270f65e089e793da4e6c3.tar.bz2 | |
* 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.
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/testsuite/d30v-elf/.Sanitize | 1 | ||||
| -rw-r--r-- | sim/testsuite/d30v-elf/ls-modaddr.S | 37 |
2 files changed, 38 insertions, 0 deletions
diff --git a/sim/testsuite/d30v-elf/.Sanitize b/sim/testsuite/d30v-elf/.Sanitize index e9325bd..fd1fd13 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 0000000..55634e9 --- /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 |