| builtins.c (132727) | builtins.c (146906) |
|---|---|
| 1/* Expand builtin functions. 2 Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 3 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free --- 1694 unchanged lines hidden (view full) --- 1703 target = gen_reg_rtx (mode); 1704 1705 /* Wrap the computation of the argument in a SAVE_EXPR, as we may 1706 need to expand the argument again. This way, we will not perform 1707 side-effects more the once. */ 1708 narg = save_expr (arg); 1709 if (narg != arg) 1710 { | 1/* Expand builtin functions. 2 Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 3 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free --- 1694 unchanged lines hidden (view full) --- 1703 target = gen_reg_rtx (mode); 1704 1705 /* Wrap the computation of the argument in a SAVE_EXPR, as we may 1706 need to expand the argument again. This way, we will not perform 1707 side-effects more the once. */ 1708 narg = save_expr (arg); 1709 if (narg != arg) 1710 { |
| 1711 arg = narg; |
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| 1711 arglist = build_tree_list (NULL_TREE, arg); 1712 exp = build_function_call_expr (fndecl, arglist); 1713 } 1714 1715 op0 = expand_expr (arg, subtarget, VOIDmode, 0); 1716 1717 emit_queue (); 1718 start_sequence (); --- 116 unchanged lines hidden (view full) --- 1835 1836 if (! flag_errno_math || ! HONOR_NANS (mode)) 1837 errno_set = false; 1838 1839 /* Alway stabilize the argument list. */ 1840 narg = save_expr (arg1); 1841 if (narg != arg1) 1842 { | 1712 arglist = build_tree_list (NULL_TREE, arg); 1713 exp = build_function_call_expr (fndecl, arglist); 1714 } 1715 1716 op0 = expand_expr (arg, subtarget, VOIDmode, 0); 1717 1718 emit_queue (); 1719 start_sequence (); --- 116 unchanged lines hidden (view full) --- 1836 1837 if (! flag_errno_math || ! HONOR_NANS (mode)) 1838 errno_set = false; 1839 1840 /* Alway stabilize the argument list. */ 1841 narg = save_expr (arg1); 1842 if (narg != arg1) 1843 { |
| 1844 arg1 = narg; |
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| 1843 temp = build_tree_list (NULL_TREE, narg); 1844 stable = false; 1845 } 1846 else 1847 temp = TREE_CHAIN (arglist); 1848 1849 narg = save_expr (arg0); 1850 if (narg != arg0) 1851 { | 1845 temp = build_tree_list (NULL_TREE, narg); 1846 stable = false; 1847 } 1848 else 1849 temp = TREE_CHAIN (arglist); 1850 1851 narg = save_expr (arg0); 1852 if (narg != arg0) 1853 { |
| 1854 arg0 = narg; |
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| 1852 arglist = tree_cons (NULL_TREE, narg, temp); 1853 stable = false; 1854 } 1855 else if (! stable) 1856 arglist = tree_cons (NULL_TREE, arg0, temp); 1857 1858 if (! stable) 1859 exp = build_function_call_expr (fndecl, arglist); --- 4716 unchanged lines hidden (view full) --- 6576 tree expfn = TREE_OPERAND (TREE_OPERAND (arg, 0), 0); 6577 arg = fold (build (MULT_EXPR, type, 6578 TREE_VALUE (TREE_OPERAND (arg, 1)), 6579 build_real (type, dconsthalf))); 6580 arglist = build_tree_list (NULL_TREE, arg); 6581 return build_function_call_expr (expfn, arglist); 6582 } 6583 | 1855 arglist = tree_cons (NULL_TREE, narg, temp); 1856 stable = false; 1857 } 1858 else if (! stable) 1859 arglist = tree_cons (NULL_TREE, arg0, temp); 1860 1861 if (! stable) 1862 exp = build_function_call_expr (fndecl, arglist); --- 4716 unchanged lines hidden (view full) --- 6579 tree expfn = TREE_OPERAND (TREE_OPERAND (arg, 0), 0); 6580 arg = fold (build (MULT_EXPR, type, 6581 TREE_VALUE (TREE_OPERAND (arg, 1)), 6582 build_real (type, dconsthalf))); 6583 arglist = build_tree_list (NULL_TREE, arg); 6584 return build_function_call_expr (expfn, arglist); 6585 } 6586 |
| 6584 /* Optimize sqrt(pow(x,y)) = pow(x,y*0.5). */ | 6587 /* Optimize sqrt(pow(x,y)) = pow(|x|,y*0.5). */ |
| 6585 if (flag_unsafe_math_optimizations 6586 && (fcode == BUILT_IN_POW 6587 || fcode == BUILT_IN_POWF 6588 || fcode == BUILT_IN_POWL)) 6589 { 6590 tree powfn = TREE_OPERAND (TREE_OPERAND (arg, 0), 0); 6591 tree arg0 = TREE_VALUE (TREE_OPERAND (arg, 1)); 6592 tree arg1 = TREE_VALUE (TREE_CHAIN (TREE_OPERAND (arg, 1))); | 6588 if (flag_unsafe_math_optimizations 6589 && (fcode == BUILT_IN_POW 6590 || fcode == BUILT_IN_POWF 6591 || fcode == BUILT_IN_POWL)) 6592 { 6593 tree powfn = TREE_OPERAND (TREE_OPERAND (arg, 0), 0); 6594 tree arg0 = TREE_VALUE (TREE_OPERAND (arg, 1)); 6595 tree arg1 = TREE_VALUE (TREE_CHAIN (TREE_OPERAND (arg, 1))); |
| 6593 tree narg1 = fold (build (MULT_EXPR, type, arg1, 6594 build_real (type, dconsthalf))); | 6596 tree narg1; 6597 if (!tree_expr_nonnegative_p (arg0)) 6598 arg0 = build1 (ABS_EXPR, type, arg0); 6599 narg1 = fold (build (MULT_EXPR, type, arg1, 6600 build_real (type, dconsthalf))); |
| 6595 arglist = tree_cons (NULL_TREE, arg0, 6596 build_tree_list (NULL_TREE, narg1)); 6597 return build_function_call_expr (powfn, arglist); 6598 } 6599 } 6600 break; 6601 6602 case BUILT_IN_SIN: --- 437 unchanged lines hidden --- | 6601 arglist = tree_cons (NULL_TREE, arg0, 6602 build_tree_list (NULL_TREE, narg1)); 6603 return build_function_call_expr (powfn, arglist); 6604 } 6605 } 6606 break; 6607 6608 case BUILT_IN_SIN: --- 437 unchanged lines hidden --- |