summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/nouveau
diff options
context:
space:
mode:
authorIlia Mirkin <[email protected]>2015-12-29 15:05:34 -0500
committerIlia Mirkin <[email protected]>2015-12-29 15:08:20 -0500
commit724134f68322087ef88bc590febd0011167ae367 (patch)
tree1f3dd7c718190a9d71c7ae8e2eb9b1638b12386e /src/gallium/drivers/nouveau
parent581f81860e7409a60c869f76e503cbb865dd68b9 (diff)
nv50/ir: float(s32 & 0xff) = float(u8), not s8
Make sure to make conversion unsigned when we're ANDing the high bits away. Fixes corruption in dolphin. Signed-off-by: Ilia Mirkin <[email protected]> Cc: "11.0 11.1" <[email protected]>
Diffstat (limited to 'src/gallium/drivers/nouveau')
-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 022626ccb8f..c2842c2186f 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -1889,6 +1889,9 @@ AlgebraicOpt::handleCVT_EXTBF(Instruction *cvt)
arg = shift->getSrc(0);
offset = imm.reg.data.u32;
}
+ // We just AND'd the high bits away, which means this is effectively an
+ // unsigned value.
+ cvt->sType = TYPE_U32;
} else if (insn->op == OP_SHR &&
insn->sType == cvt->sType &&
insn->src(1).getImmediate(imm)) {