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tcg: Change translator-side labels to a pointer

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This is improved type checking for the translators -- it's no longer
possible to accidentally swap arguments to the branch functions.

Note that the code generating backends still manipulate labels as int.

With notable exceptions, the scope of the change is just a few lines
for each target, so it's not worth building extra machinery to do this
change in per-target increments.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Anthony Green <green@moxielogic.com>
Cc: Jia Liu <proljc@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-02-13 12:51:55 -08:00
parent 3f626793a2
commit 42a268c241
26 changed files with 280 additions and 282 deletions
Download patch file Download diff file Expand all files Collapse all files

6
target-unicore32/translate.c
View file

@ -33,7 +33,7 @@ typedef struct DisasContext {
/* Nonzero if this instruction has been conditionally skipped. */
int condjmp;
/* The label that will be jumped to when the instruction is skipped. */
int condlabel;
TCGLabel *condlabel;
struct TranslationBlock *tb;
int singlestep_enabled;
#ifndef CONFIG_USER_ONLY
@ -419,11 +419,11 @@ static inline void gen_uc32_shift_reg(TCGv var, int shiftop,
dead_tmp(shift);
}
static void gen_test_cc(int cc, int label)
static void gen_test_cc(int cc, TCGLabel *label)
{
TCGv tmp;
TCGv tmp2;
int inv;
TCGLabel *inv;
switch (cc) {
case 0: /* eq: Z */