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-rw-r--r--target/i386/gdbstub.c4
-rw-r--r--target/i386/tcg/emit.c.inc2
2 files changed, 5 insertions, 1 deletions
diff --git a/target/i386/gdbstub.c b/target/i386/gdbstub.c
index c3a2cf6f28..786971284a 100644
--- a/target/i386/gdbstub.c
+++ b/target/i386/gdbstub.c
@@ -121,7 +121,9 @@ int x86_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
             return gdb_get_reg32(mem_buf, env->regs[gpr_map32[n]]);
         }
     } else if (n >= IDX_FP_REGS && n < IDX_FP_REGS + 8) {
-        floatx80 *fp = (floatx80 *) &env->fpregs[n - IDX_FP_REGS];
+        int st_index = n - IDX_FP_REGS;
+        int r_index = (st_index + env->fpstt) % 8;
+        floatx80 *fp = &env->fpregs[r_index].d;
         int len = gdb_get_reg64(mem_buf, cpu_to_le64(fp->low));
         len += gdb_get_reg16(mem_buf, cpu_to_le16(fp->high));
         return len;
diff --git a/target/i386/tcg/emit.c.inc b/target/i386/tcg/emit.c.inc
index 0d7c6e80ae..e61ae9a2e9 100644
--- a/target/i386/tcg/emit.c.inc
+++ b/target/i386/tcg/emit.c.inc
@@ -1037,6 +1037,8 @@ static void gen_ADCOX(DisasContext *s, CPUX86State *env, MemOp ot, int cc_op)
 #ifdef TARGET_X86_64
     case MO_32:
         /* If TL is 64-bit just do everything in 64-bit arithmetic.  */
+        tcg_gen_ext32u_tl(s->T0, s->T0);
+        tcg_gen_ext32u_tl(s->T1, s->T1);
         tcg_gen_add_i64(s->T0, s->T0, s->T1);
         tcg_gen_add_i64(s->T0, s->T0, carry_in);
         tcg_gen_shri_i64(carry_out, s->T0, 32);