From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 30 Nov 2018 19:36:03 +0000 (-0800)
Subject: tcg/sparc: Remove retranslation code
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=791645f0227c9d52ce5fe1ad6e1cda55a9bfe633;p=qmiga%2Fqemu.git

tcg/sparc: Remove retranslation code

There is no longer a need for preserving branch offset operands,
as we no longer re-translate.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c
index 3237ae6a2f..8a151b9cac 100644
--- a/tcg/sparc/tcg-target.inc.c
+++ b/tcg/sparc/tcg-target.inc.c
@@ -610,13 +610,11 @@ static void tcg_out_bpcc0(TCGContext *s, int scond, int flags, int off19)
 
 static void tcg_out_bpcc(TCGContext *s, int scond, int flags, TCGLabel *l)
 {
-    int off19;
+    int off19 = 0;
 
     if (l->has_value) {
         off19 = INSN_OFF19(tcg_pcrel_diff(s, l->u.value_ptr));
     } else {
-        /* Make sure to preserve destinations during retranslation.  */
-        off19 = *s->code_ptr & INSN_OFF19(-1);
         tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP19, l, 0);
     }
     tcg_out_bpcc0(s, scond, flags, off19);
@@ -656,13 +654,11 @@ static void tcg_out_brcond_i64(TCGContext *s, TCGCond cond, TCGReg arg1,
 {
     /* For 64-bit signed comparisons vs zero, we can avoid the compare.  */
     if (arg2 == 0 && !is_unsigned_cond(cond)) {
-        int off16;
+        int off16 = 0;
 
         if (l->has_value) {
             off16 = INSN_OFF16(tcg_pcrel_diff(s, l->u.value_ptr));
         } else {
-            /* Make sure to preserve destinations during retranslation.  */
-            off16 = *s->code_ptr & INSN_OFF16(-1);
             tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP16, l, 0);
         }
         tcg_out32(s, INSN_OP(0) | INSN_OP2(3) | BPR_PT | INSN_RS1(arg1)