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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [pr41295.c] - Rev 706
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/* { dg-do compile } */ /* { dg-options "-O1 -g" } */ enum reg_class { BASE_REGS, GENERAL_REGS, LIM_REG_CLASSES }; static __inline__ unsigned char hard_reg_set_subset_p (const unsigned long x[4], const unsigned long y[4]) { return ((x[0] & ~y[0]) == 0 && (x[1] & ~y[1]) == 0 && (x[2] & ~y[2]) == 0 && (x[3] & ~y[3]) == 0); } static __inline__ unsigned char hard_reg_set_equal_p (const unsigned long x[4], const unsigned long y[4]) { return x[0] == y[0] && x[1] == y[1] && x[2] == y[2] && x[3] == y[3]; } extern unsigned long reg_class_contents[(int) LIM_REG_CLASSES][4]; extern int ira_important_classes_num; extern enum reg_class ira_important_classes[(int) LIM_REG_CLASSES]; extern enum reg_class ira_reg_class_intersect[(int) LIM_REG_CLASSES][(int) LIM_REG_CLASSES]; extern unsigned char ira_reg_classes_intersect_p[(int) LIM_REG_CLASSES][(int) LIM_REG_CLASSES]; extern enum reg_class ira_reg_class_super_classes[(int) LIM_REG_CLASSES][(int) LIM_REG_CLASSES]; static unsigned long temp_hard_regset[4]; static void setup_reg_class_relations (void) { int i, cl1, cl2, cl3; unsigned long temp_set2[4]; for (cl1 = 0; cl1 < (int) LIM_REG_CLASSES; cl1++) { ira_reg_class_super_classes[cl1][0] = LIM_REG_CLASSES; for (cl2 = 0; cl2 < (int) LIM_REG_CLASSES; cl2++) { ira_reg_classes_intersect_p[cl1][cl2] = 0; { unsigned long *scan_tp_ = (temp_set2), *scan_fp_ = (reg_class_contents[cl2]); scan_tp_[1] = scan_fp_[1]; scan_tp_[2] = scan_fp_[2]; scan_tp_[3] = scan_fp_[3]; } for (i = 0; i < ira_important_classes_num; i++) { cl3 = ira_important_classes[i]; { unsigned long *scan_tp_ = (temp_hard_regset), *scan_fp_ = (reg_class_contents[cl3]); scan_tp_[0] = scan_fp_[0]; scan_tp_[1] = scan_fp_[1]; scan_tp_[3] = scan_fp_[3]; } if (!hard_reg_set_subset_p (temp_hard_regset, temp_set2) || (hard_reg_set_equal_p (temp_hard_regset, temp_set2) && hard_reg_set_subset_p (reg_class_contents[cl3], reg_class_contents[(int) ira_reg_class_intersect [cl1] [cl2]]))) ira_reg_class_intersect[cl1][cl2] = (enum reg_class) cl3; } } } } static void find_reg_class_closure (void) { setup_reg_class_relations (); } void ira_init (void) { find_reg_class_closure (); }
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