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authorRichard Henderson <richard.henderson@linaro.org>2020-11-02 19:36:20 -0800
committerRichard Henderson <richard.henderson@linaro.org>2020-11-04 10:35:40 -0800
commitf14bed3fd4a17e1255e2ed6db1dfe50e654e601d (patch)
treea234e89d41e7bb18ce0876236904fdf71077003f
parent3c8c36c9087da957f580a9bb5ebf7814a753d1c6 (diff)
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tcg: Remove assert from set_jmp_reset_offset
Since 6e6c4efed99, there has been a more appropriate range check done later at the end of tcg_gen_code. There, a failing range check results in a returned error code, which causes the TB to be restarted at half the size. Reported-by: Sai Pavan Boddu <saipava@xilinx.com> Tested-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--tcg/tcg.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c
index f49f1a7..43c6cf8 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -335,10 +335,11 @@ static bool tcg_resolve_relocs(TCGContext *s)
static void set_jmp_reset_offset(TCGContext *s, int which)
{
- size_t off = tcg_current_code_size(s);
- s->tb_jmp_reset_offset[which] = off;
- /* Make sure that we didn't overflow the stored offset. */
- assert(s->tb_jmp_reset_offset[which] == off);
+ /*
+ * We will check for overflow at the end of the opcode loop in
+ * tcg_gen_code, where we bound tcg_current_code_size to UINT16_MAX.
+ */
+ s->tb_jmp_reset_offset[which] = tcg_current_code_size(s);
}
#include "tcg-target.c.inc"