[Qemu-devel] [5599] tcg-ops.h: add a subfi wrapper

[Aurelien Jarno]

Revision: 5599
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5599
Author:   aurel32
Date:     2008-11-02 08:23:04 +0000 (Sun, 02 Nov 2008)

Log Message:
-----------
tcg-ops.h: add a subfi wrapper

Add a subfi (subtract from immediate) wrapper, useful for the PPC target.

Signed-off-by: Aurelien Jarno <address@hidden>

Modified Paths:
--------------
    trunk/tcg/tcg-op.h

Modified: trunk/tcg/tcg-op.h
===================================================================
--- trunk/tcg/tcg-op.h  2008-11-02 08:22:54 UTC (rev 5598)
+++ trunk/tcg/tcg-op.h  2008-11-02 08:23:04 UTC (rev 5599)
@@ -377,6 +377,13 @@
     tcg_gen_op3(INDEX_op_sub_i32, ret, arg1, arg2);
 }
 
+static inline void tcg_gen_subfi_i32(TCGv ret, int32_t arg1, TCGv arg2)
+{
+    TCGv t0 = tcg_const_i32(arg1);
+    tcg_gen_sub_i32(ret, t0, arg2);
+    tcg_temp_free(t0);
+}
+
 static inline void tcg_gen_subi_i32(TCGv ret, TCGv arg1, int32_t arg2)
 {
     /* some cases can be optimized here */
@@ -1063,6 +1070,13 @@
     tcg_temp_free(t0);
 }
 
+static inline void tcg_gen_subfi_i64(TCGv ret, int64_t arg1, TCGv arg2)
+{
+    TCGv t0 = tcg_const_i64(arg1);
+    tcg_gen_sub_i64(ret, t0, arg2);
+    tcg_temp_free(t0);
+}
+
 static inline void tcg_gen_subi_i64(TCGv ret, TCGv arg1, int64_t arg2)
 {
     /* some cases can be optimized here */
@@ -1725,6 +1739,7 @@
 #define tcg_gen_addi_tl tcg_gen_addi_i64
 #define tcg_gen_sub_tl tcg_gen_sub_i64
 #define tcg_gen_neg_tl tcg_gen_neg_i64
+#define tcg_gen_subfi_tl tcg_gen_subi_i64
 #define tcg_gen_subi_tl tcg_gen_subi_i64
 #define tcg_gen_and_tl tcg_gen_and_i64
 #define tcg_gen_andi_tl tcg_gen_andi_i64
@@ -1783,6 +1798,7 @@
 #define tcg_gen_addi_tl tcg_gen_addi_i32
 #define tcg_gen_sub_tl tcg_gen_sub_i32
 #define tcg_gen_neg_tl tcg_gen_neg_i32
+#define tcg_gen_subfi_tl tcg_gen_subfi_i32
 #define tcg_gen_subi_tl tcg_gen_subi_i32
 #define tcg_gen_and_tl tcg_gen_and_i32
 #define tcg_gen_andi_tl tcg_gen_andi_i32