/* { dg-options "-G0" { target mips*-*-* } } */ volatile int g[32]; long long gll; double gd; #define MULTI(X) \ X( 1), X( 2), X( 3), X( 4), X( 5), X( 6), X( 7), X( 8), X( 9), X(10), \ X(11), X(12), X(13), X(14), X(15), X(16), X(17), X(18), X(19), X(20), \ X(21), X(22), X(23), X(24), X(25), X(26), X(27), X(28), X(29), X(30) #define DECLARE(INDEX) x##INDEX #define COPY_IN(INDEX) x##INDEX = g[INDEX] #define COPY_OUT(INDEX) g[INDEX] = x##INDEX void test (int n) { union { long long l; double d; } u = { 0x12345678 }; gll = u.l; int MULTI (DECLARE); MULTI (COPY_IN); MULTI (COPY_OUT); MULTI (COPY_OUT); MULTI (COPY_OUT); gd = u.d; }