commit ddb7df25af45d7cd19ed1138e537973735cc78a5
author Calin Juravle <calin@google.com> Tue Nov 25 20:56:51 2014 +0000
committer Calin Juravle <calin@google.com> Thu Nov 27 12:30:27 2014 +0000
tree c428e9482c7d9137c0965eed586969ae108b173f
parent 35ecc8ca8fba713728b8fc60e9e2a275da2028aa

[optimizing compiler] Add CMP{L,G}_{FLOAT,DOUBLE}

Adds:
- float comparison for arm, x86, x86_64 backends.
- ucomis{s,d} assembly to x86 and x86_64.
- vmstat assebmly for thumb2
- new assembly tests

Change-Id: Ie3e19d0c08b3b875cd0a4be4ee4e9c8a4a076290

compiler/utils/arm/assembler_thumb2.cc

diff --git a/compiler/utils/arm/assembler_thumb2.cc b/compiler/utils/arm/assembler_thumb2.cc
index a377cb2..6b16a2e0 100644
--- a/compiler/utils/arm/assembler_thumb2.cc
+++ b/compiler/utils/arm/assembler_thumb2.cc
@@ -1981,8 +1981,13 @@
 
 
 void Thumb2Assembler::vmstat(Condition cond) {  // VMRS APSR_nzcv, FPSCR.
+  CHECK_NE(cond, kNoCondition);
   CheckCondition(cond);
-  UNIMPLEMENTED(FATAL) << "Unimplemented thumb instruction";
+  int32_t encoding = (static_cast<int32_t>(cond) << kConditionShift) |
+      B27 | B26 | B25 | B23 | B22 | B21 | B20 | B16 |
+      (static_cast<int32_t>(PC)*B12) |
+      B11 | B9 | B4;
+  Emit32(encoding);
 }