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tcg: Reset data_gen_ptr correctly 

This pointer needs to be reset after overflow just like
code_buf and code_ptr.

Cc: qemu-stable@nongnu.org
Fixes: 57a269469d ("tcg: Infrastructure for managing constant pools")
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-10-16 17:31:05 +00:00
parent 6f625ce2f2
commit a7cfd751fb
1 changed files with 1 additions and 1 deletions
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2
tcg/tcg.c
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@ -1399,7 +1399,6 @@ TranslationBlock *tcg_tb_alloc(TCGContext *s)
goto retry; goto retry;
} }
qatomic_set(&s->code_gen_ptr, next); qatomic_set(&s->code_gen_ptr, next);
s->data_gen_ptr = NULL;
return tb; return tb;
} }
@ -6172,6 +6171,7 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb, uint64_t pc_start)
*/ */
s->code_buf = tcg_splitwx_to_rw(tb->tc.ptr); s->code_buf = tcg_splitwx_to_rw(tb->tc.ptr);
s->code_ptr = s->code_buf; s->code_ptr = s->code_buf;
s->data_gen_ptr = NULL;
#ifdef TCG_TARGET_NEED_LDST_LABELS #ifdef TCG_TARGET_NEED_LDST_LABELS
QSIMPLEQ_INIT(&s->ldst_labels); QSIMPLEQ_INIT(&s->ldst_labels);