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authorRichard Henderson <rth@twiddle.net>2014-03-26 10:59:14 -0700
committerRichard Henderson <rth@twiddle.net>2014-04-18 16:57:37 -0700
commitdf9ebea53ebc1c98217743f56c30ae3a46031bb9 (patch)
treec0ca7191f6e26e1975e36ac180699742f3ae31d2 /tcg/tcg.h
parent671c835b7dc12bfb3907c6af38f74073fe8fade9 (diff)
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tcg: Relax requirement for mulu2_i32 on 32-bit hosts
Instead require either mulu2_i32 or muluh_i32. The code in tcg-op.h already supports looking for both. Previous incomplete conversion? Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/tcg.h')
-rw-r--r--tcg/tcg.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/tcg/tcg.h b/tcg/tcg.h
index f7efcb4202..0bb66775a5 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -97,7 +97,6 @@ typedef uint64_t TCGRegSet;
/* 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
@@ -121,6 +120,13 @@ typedef uint64_t TCGRegSet;
#define TCG_TARGET_HAS_rem_i64 0
#endif
+/* For 32-bit targets, some sort of unsigned widening multiply is required. */
+#if TCG_TARGET_REG_BITS == 32 \
+ && !(defined(TCG_TARGET_HAS_mulu2_i32) \
+ || defined(TCG_TARGET_HAS_muluh_i32))
+# error "Missing unsigned widening multiply"
+#endif
+
typedef enum TCGOpcode {
#define DEF(name, oargs, iargs, cargs, flags) INDEX_op_ ## name,
#include "tcg-opc.h"