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nv50: comment on a so-far unseen bug

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Ben Skeggs 2008-06-12 23:49:26 +10:00
parent 4d520e0b76
commit 2fdeb4d5a5
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3
src/gallium/drivers/nv50/nv50_program.c
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@ -22,6 +22,9 @@
* - Maybe even relax restrictions a bit, can't do P_RESULT + P_IMMD,
* but can emit to P_TEMP first - then MOV later. NVIDIA does this
*
* In ops such as ADD it's possible to construct a bad opcode in the !is_long()
* case, if the emit_src() causes the inst to suddenly become long.
*
* Verify half-insns work where expected - and force disable them where they
* don't work - MUL has it forcibly disabled atm as it fixes POW..
*