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target/sh4: fix TCG leak during gusa sequence

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This fixes bug #1735384 while running java under qemu-sh4. When debug
was enabled it showed a problem with TCG temps. Once fixed I was able
to run java -version normally.

Cc: qemu-stable@nongnu.org
Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20171206093050.25308-1-alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Alex Bennée 2017-12-06 09:30:50 +00:00 committed by Aurelien Jarno
parent e691e0ed13
commit 6d56fc6cc3
1 changed files with 1 additions and 1 deletions
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2
target/sh4/translate.c
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@ -2191,7 +2191,7 @@ static int decode_gusa(DisasContext *ctx, CPUSH4State *env, int *pmax_insns)
}
/* If op_src is not a valid register, then op_arg was a constant. */
if (op_src < 0) {
if (op_src < 0 && !TCGV_IS_UNUSED(op_arg)) {
tcg_temp_free_i32(op_arg);
}