tcg: Require TCG_TARGET_INSN_UNIT_SIZE

Now that all backends do define TCG_TARGET_INSN_UNIT_SIZE,
remove the fallback definition.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 2 insertions, 3 deletions

diff --git a/tcg/tcg.h b/tcg/tcg.h
index a3fb88cd04..4f4b1fa4d2 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -147,9 +147,8 @@ typedef enum TCGOpcode {
 #define tcg_regset_not(d, a) (d) = ~(a)
 
 #ifndef TCG_TARGET_INSN_UNIT_SIZE
-#define TCG_TARGET_INSN_UNIT_SIZE 1
-#endif
-#if TCG_TARGET_INSN_UNIT_SIZE == 1
+# error "Missing TCG_TARGET_INSN_UNIT_SIZE"
+#elif TCG_TARGET_INSN_UNIT_SIZE == 1
 typedef uint8_t tcg_insn_unit;
 #elif TCG_TARGET_INSN_UNIT_SIZE == 2
 typedef uint16_t tcg_insn_unit;