diff options
| author | Eric Anholt <eric@anholt.net> | 2010-10-18 11:13:26 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-10-18 12:56:44 -0700 |
| commit | 746e68c50b4ae1566b342fbc965557b6dbcfaa2e (patch) | |
| tree | 4eab8309f3b970557cca727e51e70bc1e4bf74fc | |
| parent | ea213417f14a8b2734cb2a88d8aa1ac05a70b7d5 (diff) | |
i965: Fix a weirdness in NOT handling.
XOR makes much more sense. Note that the previous code would have
failed for not(not(x)), but that gets optimized out.
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index c9e109871ad..2224dc7a0e9 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -720,7 +720,7 @@ fs_visitor::visit(ir_expression *ir) /* Note that BRW_OPCODE_NOT is not appropriate here, since it is * ones complement of the whole register, not just bit 0. */ - emit(fs_inst(BRW_OPCODE_ADD, this->result, op[0], fs_reg(-1))); + emit(fs_inst(BRW_OPCODE_XOR, this->result, op[0], fs_reg(1))); break; case ir_unop_neg: op[0].negate = !op[0].negate; |