| simplify-rtx.c (169690) | simplify-rtx.c (220150) |
|---|---|
| 1/* RTL simplification functions for GNU compiler. 2 Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 3 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 4 Free Software Foundation, Inc. 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify it under --- 575 unchanged lines hidden (view full) --- 584 if (GET_CODE (op) == XOR 585 && XEXP (op, 1) == const1_rtx 586 && nonzero_bits (XEXP (op, 0), mode) == 1) 587 return plus_constant (XEXP (op, 0), -1); 588 589 /* (neg (lt x 0)) is (ashiftrt X C) if STORE_FLAG_VALUE is 1. */ 590 /* (neg (lt x 0)) is (lshiftrt X C) if STORE_FLAG_VALUE is -1. */ 591 if (GET_CODE (op) == LT | 1/* RTL simplification functions for GNU compiler. 2 Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 3 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 4 Free Software Foundation, Inc. 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify it under --- 575 unchanged lines hidden (view full) --- 584 if (GET_CODE (op) == XOR 585 && XEXP (op, 1) == const1_rtx 586 && nonzero_bits (XEXP (op, 0), mode) == 1) 587 return plus_constant (XEXP (op, 0), -1); 588 589 /* (neg (lt x 0)) is (ashiftrt X C) if STORE_FLAG_VALUE is 1. */ 590 /* (neg (lt x 0)) is (lshiftrt X C) if STORE_FLAG_VALUE is -1. */ 591 if (GET_CODE (op) == LT |
| 592 && XEXP (op, 1) == const0_rtx) | 592 && XEXP (op, 1) == const0_rtx 593 && SCALAR_INT_MODE_P (GET_MODE (XEXP (op, 0)))) |
| 593 { 594 enum machine_mode inner = GET_MODE (XEXP (op, 0)); 595 int isize = GET_MODE_BITSIZE (inner); 596 if (STORE_FLAG_VALUE == 1) 597 { 598 temp = simplify_gen_binary (ASHIFTRT, inner, XEXP (op, 0), 599 GEN_INT (isize - 1)); 600 if (mode == inner) --- 4289 unchanged lines hidden --- | 594 { 595 enum machine_mode inner = GET_MODE (XEXP (op, 0)); 596 int isize = GET_MODE_BITSIZE (inner); 597 if (STORE_FLAG_VALUE == 1) 598 { 599 temp = simplify_gen_binary (ASHIFTRT, inner, XEXP (op, 0), 600 GEN_INT (isize - 1)); 601 if (mode == inner) --- 4289 unchanged lines hidden --- |