commit 717e70368bdc339d241f84aba00ed72d051e0236
author Richard Henderson <rth@twiddle.net> Fri Sep 21 17:18:15 2012 -0700
committer Aurelien Jarno <aurelien@aurel32.net> Wed Sep 26 00:31:16 2012 +0200
tree 646480b4290018287c1901c124bed0ce8e92b65f
parent c552d6c038f7cf4058d1fd5987118ffd41e0e050

tcg: Sanity check deposit inputs

Given these are constants, checking once here means everything
after can assume they're correct.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

tcg/tcg-op.h

diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
index d2fb283..ecb1ac3 100644
--- a/tcg/tcg-op.h
+++ b/tcg/tcg-op.h
@@ -2081,6 +2081,10 @@
     uint32_t mask;
     TCGv_i32 t1;
 
+    tcg_debug_assert(ofs < 32);
+    tcg_debug_assert(len <= 32);
+    tcg_debug_assert(ofs + len <= 32);
+
     if (ofs == 0 && len == 32) {
         tcg_gen_mov_i32(ret, arg2);
         return;
@@ -2112,6 +2116,10 @@
     uint64_t mask;
     TCGv_i64 t1;
 
+    tcg_debug_assert(ofs < 64);
+    tcg_debug_assert(len <= 64);
+    tcg_debug_assert(ofs + len <= 64);
+
     if (ofs == 0 && len == 64) {
         tcg_gen_mov_i64(ret, arg2);
         return;