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| author | Andrew Cagney <cagney@redhat.com> | 1997-12-02 00:27:27 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-12-02 00:27:27 +0000 |
| commit | 51b057f27b7da5dcbb57b118e24ed03f0f8f5034 (patch) | |
| tree | c14ee726e62cdf190624719d04770c0618fe43ef /sim/testsuite | |
| parent | 3c6d5393c4705b748e27aef0e358164da1f8f252 (diff) | |
| download | gdb-51b057f27b7da5dcbb57b118e24ed03f0f8f5034.zip gdb-51b057f27b7da5dcbb57b118e24ed03f0f8f5034.tar.gz gdb-51b057f27b7da5dcbb57b118e24ed03f0f8f5034.tar.bz2 | |
For sub2w, compute carry according to negated addition rules.
Test.
Diffstat (limited to 'sim/testsuite')
| -rw-r--r-- | sim/testsuite/d10v-elf/ChangeLog | 14 | ||||
| -rw-r--r-- | sim/testsuite/d10v-elf/Makefile.in | 5 | ||||
| -rw-r--r-- | sim/testsuite/d10v-elf/t-sub2w.s | 57 |
3 files changed, 75 insertions, 1 deletions
diff --git a/sim/testsuite/d10v-elf/ChangeLog b/sim/testsuite/d10v-elf/ChangeLog index 5f2acd3..773737c 100644 --- a/sim/testsuite/d10v-elf/ChangeLog +++ b/sim/testsuite/d10v-elf/ChangeLog @@ -1,3 +1,17 @@ +Tue Dec 2 11:01:36 1997 Andrew Cagney <cagney@b1.cygnus.com> + + * t-sub2w.s: New file. + * Makefile.in: Update. + +Mon Nov 17 20:14:48 1997 Andrew Cagney <cagney@b1.cygnus.com> + + * t-subi.s (test_subi): New file. + * Makefile.in: Update. + +Fri Nov 14 14:06:06 1997 Andrew Cagney <cagney@b1.cygnus.com> + + * t-rep.s: New file. Test case of branch to RPT_E address. + Mon Nov 10 19:21:26 1997 Andrew Cagney <cagney@b1.cygnus.com> * t-macros.i (_start): New file. diff --git a/sim/testsuite/d10v-elf/Makefile.in b/sim/testsuite/d10v-elf/Makefile.in index dab5b66..33e22ef 100644 --- a/sim/testsuite/d10v-elf/Makefile.in +++ b/sim/testsuite/d10v-elf/Makefile.in @@ -40,7 +40,10 @@ RPATH_ENVVAR = @RPATH_ENVVAR@ TESTS = \ exit47.ko \ hello.hi \ - t-rachi.ok + t-rachi.ok \ + t-rep.ok \ + t-subi.ok \ + t-sub2w.ok AS_FOR_TARGET = `\ if [ -x ../../../gas/as-new ]; then \ diff --git a/sim/testsuite/d10v-elf/t-sub2w.s b/sim/testsuite/d10v-elf/t-sub2w.s new file mode 100644 index 0000000..e1d67be --- /dev/null +++ b/sim/testsuite/d10v-elf/t-sub2w.s @@ -0,0 +1,57 @@ +.include "t-macros.i" + + start + +;; The d10v implements negated addition for subtraction + + .macro check_sub2w s x y r c v + + ;; clear carry + ldi r6,#0x8004 + mvtc r6,cr0 + + ;; load opnds + ld2w r6, @(1f,r0) + ld2w r8, @(2f,r0) + .data +1: .long \x +2: .long \y + .text + + ;; subtract + SUB2W r6, r8 + + ;; verify result + ld2w r10, @(1f,r0) + .data +1: .long \r + .text + cmpeq r6, r10 + brf0f 2f + cmpeq r7, r11 + brf0t 3f +2: ldi r6, 1 + ldi r2, \s + trap 15 +3: + + ;; verify carry + mvfc r6, cr0 + and3 r6, r6, #1 + cmpeqi r6, #\c + brf0t 1f + ldi r6, 1 + ldi r2, \s + trap 15 +1: + .endm + +check_sub2w 1 0x00000000 0x00000000 0x00000000 1 0 +check_sub2w 2 0x00000000 0x00000001 0xffffffff 0 0 +check_sub2w 3 0x00000001 0x00000000 0x00000001 1 0 +check_sub2w 3 0x00000001 0x00000001 0x00000000 1 0 +check_sub2w 5 0x00000000 0x80000000 0x80000000 0 1 +check_sub2w 6 0x80000000 0x00000001 0x7fffffff 1 1 +check_sub2w 7 0x7fffffff 0x7fffffff 0x00000000 1 0 + + exit0 |