From f8112b6e01ea318778392a177957c0e580decb46 Mon Sep 17 00:00:00 2001
From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sat, 24 May 2008 18:09:50 +0000
Subject: [PATCH] Implement 64-bit constant loads

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4561 c046a42c-6fe2-441c-8c8c-71466251a162
---
 tcg/sparc/tcg-target.c | 42 +++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 15 deletions(-)

diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index 61353f6..276ec91 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -267,24 +267,37 @@ static inline void tcg_out_sethi(TCGContext *s, int ret, uint32_t arg)
     tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
 }
 
-static inline void tcg_out_movi(TCGContext *s, TCGType type,
-                                int ret, tcg_target_long arg)
+static inline void tcg_out_movi_imm13(TCGContext *s, int ret, uint32_t arg)
+{
+    tcg_out_arithi(s, ret, TCG_REG_G0, arg, ARITH_OR);
+}
+
+static inline void tcg_out_movi_imm32(TCGContext *s, int ret, uint32_t arg)
 {
-#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
-    if (!check_fit_tl(arg, 32) && (arg & ~0xffffffff) != 0)
-        fprintf(stderr, "unimplemented %s with constant %ld\n", __func__, arg);
-#endif
     if (check_fit_i32(arg, 13))
-        tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(TCG_REG_G0) |
-                  INSN_IMM13(arg));
+        tcg_out_movi_imm13(s, ret, arg);
     else {
         tcg_out_sethi(s, ret, arg);
         if (arg & 0x3ff)
-            tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(ret) |
-                      INSN_IMM13(arg & 0x3ff));
+            tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR);
     }
 }
 
+static inline void tcg_out_movi(TCGContext *s, TCGType type,
+                                int ret, tcg_target_long arg)
+{
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+    if (!check_fit_tl(arg, 32) && (arg & ~0xffffffffULL) != 0) {
+        // XXX ret may be I5, need another temp
+        tcg_out_movi_imm32(s, TCG_REG_I5, arg >> 32);
+        tcg_out_arithi(s, TCG_REG_I5, TCG_REG_I5, 32, SHIFT_SLLX);
+        tcg_out_movi_imm32(s, ret, arg);
+        tcg_out_arith(s, ret, ret, TCG_REG_I5, ARITH_OR);
+    } else
+#endif
+        tcg_out_movi_imm32(s, ret, arg);
+}
+
 static inline void tcg_out_ld_raw(TCGContext *s, int ret,
                                   tcg_target_long arg)
 {
@@ -296,15 +309,14 @@ static inline void tcg_out_ld_raw(TCGContext *s, int ret,
 static inline void tcg_out_ld_ptr(TCGContext *s, int ret,
                                   tcg_target_long arg)
 {
+    if (!check_fit_tl(arg, 10))
+        tcg_out_movi(s, TCG_TYPE_PTR, ret, arg & ~0x3ffULL);
 #if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
-    if (!check_fit_tl(arg, 32) && (arg & ~0xffffffff) != 0)
-        fprintf(stderr, "unimplemented %s with offset %ld\n", __func__, arg);
-    if (!check_fit_i32(arg, 13))
-        tcg_out_sethi(s, ret, arg);
     tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) |
               INSN_IMM13(arg & 0x3ff));
 #else
-    tcg_out_ld_raw(s, ret, arg);
+    tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
+              INSN_IMM13(arg & 0x3ff));
 #endif
 }
 
-- 
2.7.4