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[PR #202] tests: fix jcc when gas using same register for %0 and %1 #233

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opened 2026-01-31 21:30:22 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 21:30:22 +00:00
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Original Pull Request: https://github.com/qemu/qemu/pull/202

State: closed
Merged: No

The JCC test happening is not as expected to be:
For example v1 is in eax, and v2 is in edx.
But res is also in eax.
And it is being overwritten just before comparison.
Or for setCC the result is set to lower byte but ew bit register is being garbaged with v1 value.

**Original Pull Request:** https://github.com/qemu/qemu/pull/202 **State:** closed **Merged:** No --- The JCC test happening is not as expected to be: For example v1 is in eax, and v2 is in edx. But res is also in eax. And it is being overwritten just before comparison. Or for setCC the result is set to lower byte but ew bit register is being garbaged with v1 value.
claunia added the pull-request label 2026-01-31 21:30:22 +00:00
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Reference: starred/qemu#233
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