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| author | Andrew Cagney <cagney@redhat.com> | 1998-04-30 10:56:49 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1998-04-30 10:56:49 +0000 |
| commit | ad14e4d1766fd89388ae55f9a02780a494e8f878 (patch) | |
| tree | e3b1fe58776410edc2460200ea373542dff0cef7 | |
| parent | e7439596fca23301f7dac9823a00f5a305529b80 (diff) | |
| download | gdb-ad14e4d1766fd89388ae55f9a02780a494e8f878.zip gdb-ad14e4d1766fd89388ae55f9a02780a494e8f878.tar.gz gdb-ad14e4d1766fd89388ae55f9a02780a494e8f878.tar.bz2 | |
For multiply->add, loose underflow status, overflow when acc is
to-the-max, product can overflow result.
| -rw-r--r-- | sim/testsuite/mips64r5900-elf/f-adda.s | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sim/testsuite/mips64r5900-elf/f-adda.s b/sim/testsuite/mips64r5900-elf/f-adda.s new file mode 100644 index 0000000..ecffa1a --- /dev/null +++ b/sim/testsuite/mips64r5900-elf/f-adda.s @@ -0,0 +1,40 @@ +.include "t-macros.i" + + start + +test_adda1: + clearfcsr + loadfp $f1 4.0 + loadfp $f2 0.1 + adda.s $f1, $f2 + checkacc 0 4.1 + +test_add2: + clearfcsr + loadfp $f1 , -4.0 + loadfp $f2 8.0 + adda.s $f2, $f1 + checkacc 0 4.0 + +test_add3: + clearfcsr + loadfpmax $f1 + loadfpmax $f2 + adda.s $f2, $f1 + checkaccmax FCSR_O + +test_add4: + clearfcsr + loadfpmax $f1 + neg.s $f1, $f1 + loadfpmax $f2 + neg.s $f2, $f2 + adda.s $f1, $f2 + checkfcsr FCSR_O + clearfcsr + msub.s $f3, $f0, $f0 + neg.s $f3, $f3 + clearfcsr + checkfpmax 0 $f3 + + exit0 |