https://bugs.freedesktop.org/show_bug.cgi?id=78161
--- Comment #7 from Ilia Mirkin <[email protected]> --- And for the record, getting rid of the prebreak/break thing and replacing it with bra's doesn't fix things either: --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nv50.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nv50.cpp @@ -1266,8 +1266,10 @@ NV50LoweringPreSSA::visit(Instruction *i) return handleWRSV(i); case OP_CALL: return handleCALL(i); + case OP_PREBREAK: case OP_PRECONT: return handlePRECONT(i); + case OP_BREAK: case OP_CONT: return handleCONT(i); case OP_PFETCH: results in identical-looking results (but slower), generated by: 00000000: 80000000 interp $r0 v[0x0] 00000004: 90000000 rcp f32 $r0 $r0 00000008: 1000800d 03f80003 mov b32 $r3 0x3f800000 00000010: 82010004 interp $r1 v[0x4] $r0 00000014: 82020000 interp $r0 v[0x8] $r0 00000018: 10008009 00000003 mov b32 $r2 0x0 00000020: 10008011 04348003 B mov b32 $r4 0x43480000 00000028: b00405fd 600187c8 set $c0 # ge f32 $r2 $r4 00000030: 10000601 0403c280 (lg $c0) mov b32 $r0 $r3 00000038: 10000605 0403c280 (lg $c0) mov b32 $r1 $r3 00000040: 10000609 0403c280 (lg $c0) mov b32 $r2 $r3 00000048: 10023003 00000280 (lg $c0) bra 0x118 00000050: 10000011 2400c780 ld $r4 b32 c0[0x0] 00000058: b00405fd 600107c8 set $c0 # g f32 $r2 $r4 00000060: 10000601 0403c280 (lg $c0) mov b32 $r0 $r3 00000068: 10000605 0403c280 (lg $c0) mov b32 $r1 $r3 00000070: 10000609 0403c280 (lg $c0) mov b32 $r2 $r3 00000078: 10023003 00000280 (lg $c0) bra 0x118 00000080: c0000211 04367003 mul f32 $r4 $r1 0x43670000 00000088: b0000415 04204003 add f32 $r5 $r2 0x42040000 00000090: c0050811 00000780 mul rn f32 $r4 $r4 $r5 00000098: 102e8015 0486563f mov b32 $r5 0x486563ee 000000a0: e0050011 00010780 add f32 $r4 (mul $r0 $r5) $r4 000000a8: b00d0415 03f8cccf add f32 $r5 $r2 0x3f8ccccd 000000b0: c0050811 00000780 mul rn f32 $r4 $r4 $r5 000000b8: b0000811 c0000780 presin f32 $r4 $r4 000000c0: 90000811 a0000780 cos f32 $r4 $r4 000000c8: 10088015 03f7ae17 mov b32 $r5 0x3f7ae148 000000d0: b00509fd 600107c8 set $c0 # g f32 $r4 $r5 000000d8: 10021003 00000100 (e $c0) bra 0x108 000000e0: 10008005 00000003 mov b32 $r1 0x0 000000e8: 1000800d 03f80003 mov b32 $r3 0x3f800000 000000f0: c00a0409 03ba3d73 mul f32 $r2 $r2 0x3ba3d70a 000000f8: 10000201 0403c780 mov b32 $r0 $r1 00000100: 10023003 00000780 bra 0x118 00000108: b0000409 03f80003 B add f32 $r2 $r2 0x3f800000 00000110: 10004003 00000780 bra 0x20 00000118: b00d0001 03dccccf B add f32 $r0 $r0 0x3dcccccd 00000120: f0000001 e0000001 exit (never) nop I guess it's time to look at this a little more carefully. -- You are receiving this mail because: You are the assignee for the bug.
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