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07:01
karolherbst
: glehmann: so.. I found a correctness issue on asahi with lower_fminmax_signed_zero. When the numbers are denorms, the feq returns true, but the integer max/min could screw things up and I can fix this with this:
https://gitlab.freedesktop.org/karolherbst/mesa/-/commit/37d68f953d04d63bc396a52a956101f1866ee460
any better ideas?
07:01
karolherbst
: ehh
07:01
karolherbst
: it returns false
07:02
karolherbst
: ehh no, true
07:02
karolherbst
: Seeing issues like this in the CL CTS: ERROR: fmax: -8386560.000000 ulp error at {-0x1.ffcp-139 (0x800007ff), -0x1.fffffcp-127 (0x807fffff)}: *-0x1.ffcp-139 vs. -0x1.fffffcp-127 (0x807fffff) at index: 3763
07:20
karolherbst
: probably better to fcanonicalize the result actually
07:55
glehmann
: yeah I think either solution makes sense
07:55
glehmann
: karolherbst: but the whole lowering is garbage anyway:
https://gitlab.freedesktop.org/mesa/mesa/-/work_items/14937
08:12
karolherbst
: glehmann: okay... well at least with my fix the CL CTS is happy enough about this
15:56
alyssa
: pendingchaos: I was expecting my A-b to be added :P