Reviewers: Sven Panne,
Description:
Add assertions to limit register count for VSTM and VLDM.
[email protected]
BUG=
TEST=
Please review this at https://chromiumcodereview.appspot.com/10807066/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/arm/assembler-arm.cc
Index: src/arm/assembler-arm.cc
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index
d875796217ddf3aa2f21c72e26bfa8bdfb320400..ba4c81617b5df96b76969e9f7b47a98108eb32f7
100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -1855,6 +1855,7 @@ void Assembler::vstm(BlockAddrMode am,
int sd, d;
first.split_code(&sd, &d);
int count = last.code() - first.code() + 1;
+ ASSERT(count <= 16);
emit(cond | B27 | B26 | am | d*B22 | base.code()*B16 | sd*B12 |
0xB*B8 | count*2);
}
@@ -1875,6 +1876,7 @@ void Assembler::vldm(BlockAddrMode am,
int sd, d;
first.split_code(&sd, &d);
int count = last.code() - first.code() + 1;
+ ASSERT(count <= 16);
emit(cond | B27 | B26 | am | d*B22 | B20 | base.code()*B16 | sd*B12 |
0xA*B8 | count);
}
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