tcg: Make 32-bit multiword operations optional for 64-bit hosts

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

tcg/i386/tcg-target.h

@@ -114,6 +114,10 @@ typedef enum {
 #define TCG_TARGET_HAS_nor_i64          0
 #define TCG_TARGET_HAS_deposit_i64      1
 #define TCG_TARGET_HAS_movcond_i64      1
+
+#define TCG_TARGET_HAS_add2_i32         0
+#define TCG_TARGET_HAS_sub2_i32         0
+#define TCG_TARGET_HAS_mulu2_i32        0
 #endif
 
 #define TCG_TARGET_deposit_i32_valid(ofs, len) \

tcg/ia64/tcg-target.h

@@ -136,6 +136,9 @@ typedef enum {
 #define TCG_TARGET_HAS_movcond_i64      1
 #define TCG_TARGET_HAS_deposit_i32      1
 #define TCG_TARGET_HAS_deposit_i64      1
+#define TCG_TARGET_HAS_add2_i32         0
+#define TCG_TARGET_HAS_sub2_i32         0
+#define TCG_TARGET_HAS_mulu2_i32        0
 
 #define TCG_TARGET_deposit_i32_valid(ofs, len) ((len) <= 16)
 #define TCG_TARGET_deposit_i64_valid(ofs, len) ((len) <= 16)

tcg/ppc64/tcg-target.h

@@ -85,6 +85,9 @@ typedef enum {
 #define TCG_TARGET_HAS_nor_i32          0
 #define TCG_TARGET_HAS_deposit_i32      0
 #define TCG_TARGET_HAS_movcond_i32      0
+#define TCG_TARGET_HAS_add2_i32         0
+#define TCG_TARGET_HAS_sub2_i32         0
+#define TCG_TARGET_HAS_mulu2_i32        0
 
 #define TCG_TARGET_HAS_div_i64          1
 #define TCG_TARGET_HAS_rot_i64          0

tcg/s390/tcg-target.h

@@ -65,6 +65,9 @@ typedef enum TCGReg {
 #define TCG_TARGET_HAS_nor_i32          0
 #define TCG_TARGET_HAS_deposit_i32      0
 #define TCG_TARGET_HAS_movcond_i32      0
+#define TCG_TARGET_HAS_add2_i32         0
+#define TCG_TARGET_HAS_sub2_i32         0
+#define TCG_TARGET_HAS_mulu2_i32        0
 
 #if TCG_TARGET_REG_BITS == 64
 #define TCG_TARGET_HAS_div2_i64         1

tcg/sparc/tcg-target.h

@@ -124,6 +124,10 @@ typedef enum {
 #define TCG_TARGET_HAS_nor_i64          0
 #define TCG_TARGET_HAS_deposit_i64      0
 #define TCG_TARGET_HAS_movcond_i64      1
+
+#define TCG_TARGET_HAS_add2_i32         0
+#define TCG_TARGET_HAS_sub2_i32         0
+#define TCG_TARGET_HAS_mulu2_i32        0
 #endif
 
 #define TCG_AREG0 TCG_REG_I0

tcg/tcg-opc.h

@@ -83,10 +83,10 @@ DEF(deposit_i32, 1, 2, 2, IMPL(TCG_TARGET_HAS_deposit_i32))
 
 DEF(brcond_i32, 0, 2, 2, TCG_OPF_BB_END)
 
-DEF(add2_i32, 2, 4, 0, IMPL(TCG_TARGET_REG_BITS == 32))
-DEF(sub2_i32, 2, 4, 0, IMPL(TCG_TARGET_REG_BITS == 32))
+DEF(add2_i32, 2, 4, 0, IMPL(TCG_TARGET_HAS_add2_i32))
+DEF(sub2_i32, 2, 4, 0, IMPL(TCG_TARGET_HAS_sub2_i32))
+DEF(mulu2_i32, 2, 2, 0, IMPL(TCG_TARGET_HAS_mulu2_i32))
 DEF(brcond2_i32, 0, 4, 2, TCG_OPF_BB_END | IMPL(TCG_TARGET_REG_BITS == 32))
-DEF(mulu2_i32, 2, 2, 0, IMPL(TCG_TARGET_REG_BITS == 32))
 DEF(setcond2_i32, 1, 4, 1, IMPL(TCG_TARGET_REG_BITS == 32))
 
 DEF(ext8s_i32, 1, 1, 0, IMPL(TCG_TARGET_HAS_ext8s_i32))

tcg/tcg.h

@@ -57,8 +57,8 @@ typedef uint64_t TCGRegSet;
 #error unsupported
 #endif
 
-/* Turn some undef macros into false macros.  */
 #if TCG_TARGET_REG_BITS == 32
+/* Turn some undef macros into false macros.  */
 #define TCG_TARGET_HAS_div_i64          0
 #define TCG_TARGET_HAS_div2_i64         0
 #define TCG_TARGET_HAS_rot_i64          0
@@ -80,6 +80,10 @@ typedef uint64_t TCGRegSet;
 #define TCG_TARGET_HAS_nor_i64          0
 #define TCG_TARGET_HAS_deposit_i64      0
 #define TCG_TARGET_HAS_movcond_i64      0
+/* Turn some undef macros into true macros.  */
+#define TCG_TARGET_HAS_add2_i32         1
+#define TCG_TARGET_HAS_sub2_i32         1
+#define TCG_TARGET_HAS_mulu2_i32        1
 #endif
 
 #ifndef TCG_TARGET_deposit_i32_valid

tcg/tci/tcg-target.h

@@ -100,6 +100,10 @@
 #define TCG_TARGET_HAS_orc_i64          0
 #define TCG_TARGET_HAS_rot_i64          1
 #define TCG_TARGET_HAS_movcond_i64      0
+
+#define TCG_TARGET_HAS_add2_i32         0
+#define TCG_TARGET_HAS_sub2_i32         0
+#define TCG_TARGET_HAS_mulu2_i32        0
 #endif /* TCG_TARGET_REG_BITS == 64 */
 
 /* Number of registers available.