nv50: comment on a so-far unseen bug

2008-06-12 23:49:26 +10:00
parent 4d520e0b76
commit 2fdeb4d5a5
1 changed files with 3 additions and 0 deletions
@@ -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..
 *