commit 3c00d3d379238f0e135afe5a92a868242218b0d3
author Mike Klein <mtklein@google.com> Tue Jun 04 11:47:55 2019 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Tue Jun 04 17:27:29 2019 +0000
tree 2dae3d7614e4e54041a3c58a930d081d21d5bb79
parent 9656dcedc2320e44c3c5f5ef6445e81a280ba0d8

dump register and instruction count

Change-Id: Ib0d4f354787e413749fdda8b59ccc2f94472b0ce
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/218243
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>

resources/SkVMTest.expected

diff --git a/resources/SkVMTest.expected b/resources/SkVMTest.expected
index fe57267..b646ffe 100644
--- a/resources/SkVMTest.expected
+++ b/resources/SkVMTest.expected
@@ -1,4 +1,5 @@
 A8 over A8
+3 registers, 15 instructions:
 r0 = load8 arg(0)
 r1 = splat 3B808081 (0.0039215689)
 r0 = to_f32 r0
@@ -16,6 +17,7 @@
 store8 arg(1) r0
 
 A8 over G8
+4 registers, 21 instructions:
 r0 = load8 arg(0)
 r1 = splat 3B808081 (0.0039215689)
 r0 = to_f32 r0
@@ -39,6 +41,7 @@
 store8 arg(1) r1
 
 A8 over RGBA_8888
+6 registers, 37 instructions:
 r0 = load8 arg(0)
 r1 = splat 3B808081 (0.0039215689)
 r0 = to_f32 r0
@@ -78,6 +81,7 @@
 store32 arg(1) r0
 
 G8 over A8
+3 registers, 12 instructions:
 r0 = splat 3B808081 (0.0039215689)
 r1 = splat 3F800000 (1)
 r2 = load8 arg(1)
@@ -92,6 +96,7 @@
 store8 arg(1) r1
 
 G8 over G8
+4 registers, 21 instructions:
 r0 = load8 arg(0)
 r1 = splat 3B808081 (0.0039215689)
 r0 = to_f32 r0
@@ -115,6 +120,7 @@
 store8 arg(1) r2
 
 G8 over RGBA_8888
+7 registers, 37 instructions:
 r0 = load8 arg(0)
 r1 = splat 3B808081 (0.0039215689)
 r0 = to_f32 r0
@@ -154,6 +160,7 @@
 store32 arg(1) r2
 
 RGBA_8888 over A8
+3 registers, 16 instructions:
 r0 = load32 arg(0)
 r1 = splat 3B808081 (0.0039215689)
 r0 = shr r0 24
@@ -172,6 +179,7 @@
 store8 arg(1) r0
 
 RGBA_8888 over G8
+6 registers, 33 instructions:
 r0 = load32 arg(0)
 r1 = extract r0 FF
 r2 = splat 3B808081 (0.0039215689)
@@ -207,6 +215,7 @@
 store8 arg(1) r1
 
 RGBA_8888 over RGBA_8888
+9 registers, 47 instructions:
 r0 = load32 arg(0)
 r1 = extract r0 FF
 r2 = splat 3B808081 (0.0039215689)
@@ -256,6 +265,7 @@
 store32 arg(1) r0
 
 I32 8888 over 8888
+9 registers, 24 instructions:
 r0 = load32 arg(0)
 r1 = extract r0 FF
 r2 = extract r0 FF00
@@ -282,6 +292,7 @@
 store32 arg(1) r8
 
 I32 (SWAR) 8888 over 8888
+6 registers, 20 instructions:
 r0 = load32 arg(0)
 r1 = extract r0 FF00FF
 r0 = extract r0 FF00FF00

src/core/SkVM.cpp

diff --git a/src/core/SkVM.cpp b/src/core/SkVM.cpp
index 14f0c12..b71e264 100644
--- a/src/core/SkVM.cpp
+++ b/src/core/SkVM.cpp
@@ -224,6 +224,10 @@
     }
 
     void Program::dump(SkWStream* o) const {
+        o->writeDecAsText(fRegs);
+        o->writeText(" registers, ");
+        o->writeDecAsText(fInstructions.size());
+        o->writeText(" instructions:\n");
         for (const Instruction& inst : fInstructions) {
             Op  op = inst.op;
             ID   d = inst.d,