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| author | Andrew Cagney <cagney@redhat.com> | 1997-12-02 06:37:09 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-12-02 06:37:09 +0000 |
| commit | 9420287ed25a0cc7ef77fcc95ccab3f13d4614e3 (patch) | |
| tree | 5d79b9a18fecd4bad2d176e47e153fa34abf9b98 /sim | |
| parent | e8b925f1fd9364cb0b6ba485afe2ccdda86f271f (diff) | |
| download | gdb-9420287ed25a0cc7ef77fcc95ccab3f13d4614e3.zip gdb-9420287ed25a0cc7ef77fcc95ccab3f13d4614e3.tar.gz gdb-9420287ed25a0cc7ef77fcc95ccab3f13d4614e3.tar.bz2 | |
For "mulxu", store unsigned product in ACC.
Test.
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/d10v/ChangeLog | 1 | ||||
| -rw-r--r-- | sim/d10v/simops.c | 9 | ||||
| -rw-r--r-- | sim/testsuite/d10v-elf/.Sanitize | 1 | ||||
| -rw-r--r-- | sim/testsuite/d10v-elf/ChangeLog | 3 | ||||
| -rw-r--r-- | sim/testsuite/d10v-elf/Makefile.in | 8 | ||||
| -rw-r--r-- | sim/testsuite/d10v-elf/t-mulxu.s | 28 |
6 files changed, 43 insertions, 7 deletions
diff --git a/sim/d10v/ChangeLog b/sim/d10v/ChangeLog index d801cb2..b1a9568 100644 --- a/sim/d10v/ChangeLog +++ b/sim/d10v/ChangeLog @@ -2,6 +2,7 @@ Tue Dec 2 15:01:08 1997 Andrew Cagney <cagney@b1.cygnus.com> * simops.c (OP_3A00): For "macu", perform multiply stage using 32 bit rather than 16 bit precision. + (OP_3C00): For "mulxu", store unsigned product in ACC. Tue Dec 2 11:04:37 1997 Andrew Cagney <cagney@b1.cygnus.com> diff --git a/sim/d10v/simops.c b/sim/d10v/simops.c index 6f12e5a..e5a0825 100644 --- a/sim/d10v/simops.c +++ b/sim/d10v/simops.c @@ -1577,11 +1577,14 @@ OP_1C00 () void OP_3C00 () { - int64 tmp; + uint64 tmp; + uint32 src1; + uint32 src2; trace_input ("mulxu", OP_ACCUM_OUTPUT, OP_REG, OP_REG); - tmp = SEXT40 (State.regs[OP[1]] * State.regs[OP[2]]); - + src1 = (uint16) State.regs[OP[1]]; + src2 = (uint16) State.regs[OP[2]]; + tmp = src1 * src2; if (State.FX) tmp <<= 1; diff --git a/sim/testsuite/d10v-elf/.Sanitize b/sim/testsuite/d10v-elf/.Sanitize index c93cba1..f5b7cc6 100644 --- a/sim/testsuite/d10v-elf/.Sanitize +++ b/sim/testsuite/d10v-elf/.Sanitize @@ -13,6 +13,7 @@ t-macros.i t-mac.s t-rachi.s t-rep.s +t-mulxu.s t-subi.s t-sub2w.s t-mvtac.s diff --git a/sim/testsuite/d10v-elf/ChangeLog b/sim/testsuite/d10v-elf/ChangeLog index 773737c..fc34fc1 100644 --- a/sim/testsuite/d10v-elf/ChangeLog +++ b/sim/testsuite/d10v-elf/ChangeLog @@ -1,6 +1,7 @@ Tue Dec 2 11:01:36 1997 Andrew Cagney <cagney@b1.cygnus.com> - * t-sub2w.s: New file. + * t-sub2w.s, t-mulxu.s, t-mac.s t-mvtac.s : New files. + * Makefile.in: Update. Mon Nov 17 20:14:48 1997 Andrew Cagney <cagney@b1.cygnus.com> diff --git a/sim/testsuite/d10v-elf/Makefile.in b/sim/testsuite/d10v-elf/Makefile.in index d7fc130..d358327 100644 --- a/sim/testsuite/d10v-elf/Makefile.in +++ b/sim/testsuite/d10v-elf/Makefile.in @@ -40,12 +40,14 @@ RPATH_ENVVAR = @RPATH_ENVVAR@ TESTS = \ exit47.ko \ hello.hi \ + t-mac.ok \ + t-mvtac.ok \ + t-mulxu.ok \ t-rachi.ok \ t-rep.ok \ - t-subi.ok \ t-sub2w.ok \ - t-mvtac.ok \ - t-mac.ok + t-subi.ok \ +# AS_FOR_TARGET = `\ if [ -x ../../../gas/as-new ]; then \ diff --git a/sim/testsuite/d10v-elf/t-mulxu.s b/sim/testsuite/d10v-elf/t-mulxu.s new file mode 100644 index 0000000..a8e6ffc --- /dev/null +++ b/sim/testsuite/d10v-elf/t-mulxu.s @@ -0,0 +1,28 @@ +.include "t-macros.i" + + start + + ;; clear FX + ldi r2, #0x8005 + mvtc r2, cr0 + + loadacc2 a1 0x7f 0xffff 0xffff + ldi r8, 0xffff + ldi r9, 0x8001 +test_mulxu1: + MULXU a1, r9, r8 + checkacc2 1 a1 0x00 0x8000 0x7FFF + + + ;; set FX + ldi r2, #0x8085 + mvtc r2, cr0 + + loadacc2 a1 0x7f 0xffff 0xffff + ldi r8, 0xffff + ldi r9, 0x8001 +test_mulxu2: + MULXU a1, r9, r8 + checkacc2 2 a1 0x01 0x0000 0xFFFE + + exit0 |