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>
#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;