The patch has been included in v0.12.5
** Changed in: qemu
Status: New => Fix Released
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[ARM]: SIMD add/sub instructions are incorrect
https://bugs.launchpad.net/bugs/591320
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Stat
One attachment is allowed in each comment :<
for case 1
** Patch added: "for case 1 problem"
http://launchpadlibrarian.net/5666/0002-target-arm-fix-parallel-saturated-subtraction-error.patch
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[ARM]: SIMD add/sub instructions are incorrect
https://bugs.launchpad.net/bugs/591320
You rec
The first one results from wrong saturation judgment.
The original form is :
uint8_t sub8_usat(uint8_t a, uint8_t b) {
if (a < b)
return a - b;
else
return 0;
}
it should be " a > b"
The second problem is using op2 as op1 to tell among signed, unsigned, and half
group
