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tcg: Fix compiler error (comparison of unsigned expression) 

When qemu is configured with --enable-debug-tcg,
gcc throws this warning (or error with -Werror):

tcg/tcg.c:1030: error: comparison of unsigned expression >= 0 is always true

Fix it by removing the >= 0 part.
The type cast to 'unsigned' catches negative values of op
(which should never happen).

This is a modification of Hollis Blanchard's patch.

Cc: Hollis Blanchard <hollis@penguinppc.org>
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Stefan Weil 2010-10-08 10:32:23 +02:00 committed by Blue Swirl
parent b2d4d83299
commit c3b08d0e05
1 changed files with 1 additions and 1 deletions
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2
tcg/tcg.c
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@ -1027,7 +1027,7 @@ void tcg_add_target_add_op_defs(const TCGTargetOpDef *tdefs)
if (tdefs->op == (TCGOpcode)-1)
break;
op = tdefs->op;
assert(op >= 0 && op < NB_OPS);
assert((unsigned)op < NB_OPS);
def = &tcg_op_defs[op];
#if defined(CONFIG_DEBUG_TCG)
/* Duplicate entry in op definitions? */