Am 11.02.2013 15:35, schrieb Michel Dänzer:
On Son, 2013-02-10 at 19:38 +0100, Vincent Lejeune wrote:
diff --git a/lib/Target/R600/SIInstructions.td
b/lib/Target/R600/SIInstructions.td
index a09f243..7e50e86 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -1423,8 +1423,8 @@ def : Pat <
/********** VOP3 Patterns **********/
/********** ================== **********/
-def : Pat <(f32 (IL_mad AllReg_32:$src0, VReg_32:$src1, VReg_32:$src2)),
- (V_MAD_LEGACY_F32 AllReg_32:$src0, VReg_32:$src1, VReg_32:$src2,
+def : Pat <(f32 (fadd (fmul AllReg_32:$src0, VReg_32:$src1), VReg_32:$src2)),
+ (V_MAD_F32 AllReg_32:$src0, VReg_32:$src1, VReg_32:$src2,
0, 0, 0, 0)>;
I still feel a bit uneasy about applying the SI changes without fully
understanding why they break those piglit tests. Though I guess it might
be okay if you're not targetting this for the Mesa stable branch...
Tom / Christian, what's your opinion on this?
I think I'm on the way figuring out what's going wrong here. One step is
that the _e64 encoding of (for example) V_CND_* is slightly wrong and
working only by coincident, but there seems to be at least one more
thing quite wrong here.
Give me a day or two I've coded a whole bunch of patches while on
vacation (including a fix for this), but I doesn't have the hardware
here to test them.
Christian.
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