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[PATCH v2 20/23] target/i386: Use gen_jmp_rel for gen_repz*


From: Richard Henderson
Subject: [PATCH v2 20/23] target/i386: Use gen_jmp_rel for gen_repz*
Date: Tue, 6 Sep 2022 11:09:29 +0100

Subtract cur_insn_len to restart the current insn.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/i386/tcg/translate.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index e27f36e4e9..7a9e533c6e 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -224,7 +224,6 @@ STUB_HELPER(wrmsr, TCGv_env env)
 
 static void gen_eob(DisasContext *s);
 static void gen_jr(DisasContext *s);
-static void gen_jmp(DisasContext *s, target_ulong eip);
 static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num);
 static void gen_jmp_rel(DisasContext *s, MemOp ot, int diff, int tb_num);
 static void gen_op(DisasContext *s1, int op, MemOp ot, int d);
@@ -1277,7 +1276,7 @@ static void gen_repz(DisasContext *s, MemOp ot,
     if (s->repz_opt) {
         gen_op_jz_ecx(s, s->aflag, l2);
     }
-    gen_jmp(s, s->base.pc_next - s->cs_base);
+    gen_jmp_rel(s, MO_32, -cur_insn_len(s), 0);
 }
 
 #define GEN_REPZ(op) \
@@ -1297,7 +1296,7 @@ static void gen_repz2(DisasContext *s, MemOp ot, int nz,
     if (s->repz_opt) {
         gen_op_jz_ecx(s, s->aflag, l2);
     }
-    gen_jmp(s, s->base.pc_next - s->cs_base);
+    gen_jmp_rel(s, MO_32, -cur_insn_len(s), 0);
 }
 
 #define GEN_REPZ2(op) \
@@ -2751,11 +2750,6 @@ static void gen_jmp_rel(DisasContext *s, MemOp ot, int 
diff, int tb_num)
     gen_jmp_tb(s, dest, tb_num);
 }
 
-static void gen_jmp(DisasContext *s, target_ulong eip)
-{
-    gen_jmp_tb(s, eip, 0);
-}
-
 static inline void gen_ldq_env_A0(DisasContext *s, int offset)
 {
     tcg_gen_qemu_ld_i64(s->tmp1_i64, s->A0, s->mem_index, MO_LEUQ);
-- 
2.34.1




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