diff options
| author | Dave Airlie <[email protected]> | 2011-04-24 08:30:08 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2011-04-24 08:30:08 +1000 |
| commit | 22d5a71e4dedfc047e1a14082b7d0d287cfe910e (patch) | |
| tree | d6e8d6612c7432b7c1947c1f7e9c24f8285756d5 | |
| parent | e4da46e007de5c83202976a12efb0e894494a354 (diff) | |
r600g: PV/PS have cycle restrictions in scalar operations
In the R600 ISA document:
Section 4.7.5 Cycle restrictions for the ALU.trans states that
PV/PS have cycle restrictions wrt constants.
This is part of a fix for the LIT tests
Signed-off-by: Dave Airlie <[email protected]>
| -rw-r--r-- | src/gallium/drivers/r600/r600_asm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c index 7e854b1b81d..4cdd1ed698f 100644 --- a/src/gallium/drivers/r600/r600_asm.c +++ b/src/gallium/drivers/r600/r600_asm.c @@ -709,8 +709,12 @@ static int check_scalar(struct r600_bc *bc, struct r600_bc_alu *alu, if (r) return r; } - // Constants already processed - // No restrictions on PV, PS + // PV PS restrictions + if (const_count && (sel == 254 || sel == 255)) { + cycle = cycle_for_bank_swizzle_scl[bank_swizzle][src]; + if (cycle < const_count) + return -1; + } } return 0; } |