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authorChristian Krinitsin <mail@krinitsin.com>2025-07-17 09:10:43 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-07-17 09:10:43 +0200
commitf2ec263023649e596c5076df32c2d328bc9393d2 (patch)
tree5dd86caab46e552bd2e62bf9c4fb1a7504a44db4 /results/scraper/fex/3623
parent63d2e9d409831aa8582787234cae4741847504b7 (diff)
downloadqemu-analysis-main.tar.gz
qemu-analysis-main.zip
add downloaded fex bug-reports HEAD main
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+Current X87 issues
+This is just my list of the things I know are problematic but since they are fixed in my branch, I haven't patched upstream yet.

+

+1. <del>Subtract and division has reverse operators incorrectly set: See https://github.com/FEX-Emu/FEX/pull/3547/commits/efa09a1f9b99f4323e7d280eb530bc1bac6fdcc5</del>

+2. fst st(i) is not setting tag properly: See test https://github.com/FEX-Emu/FEX/blob/f15b7b0941d15655b3704122960e063490625259/unittests/ASM/X87/DD_D0_2.asm which fails with current upstream.

+3. FXCH should set C1 to Zero: See https://github.com/FEX-Emu/FEX/pull/3547/commits/361fbcf93abdef1a40f1a6046acabec3f2b3775c

+4. <del>There's some issue with top off by one in 64bits. D9_F7_F64.asm, RAX should end up with 0x4070000000000000 per my understanding. cc: @CallumDev </del>
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