more debugging for this test.

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2965

Change-Id: I583bcdeb199212840ff227942ab6ebbf57a481d7
Reviewed-on: https://skia-review.googlesource.com/2965
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
diff --git a/tests/SkRasterPipelineTest.cpp b/tests/SkRasterPipelineTest.cpp
index 282b234..76c68a3 100644
--- a/tests/SkRasterPipelineTest.cpp
+++ b/tests/SkRasterPipelineTest.cpp
@@ -26,6 +26,10 @@
 
     Sk4f f = SkHalfToFloat_finite_ftz(result);
 
+    uint64_t bits;
+    memcpy(&bits, &result, 8);
+    SkDebugf("SkRasterPipeline: 0x%016llx\n", bits);
+
     // We should see half-intensity magenta.
     REPORTER_ASSERT(r, f[0] == 0.5f);
     REPORTER_ASSERT(r, f[1] == 0.0f);