/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
FS_OPT_ADD_SUB, /**< (a + x) - x = (a - x) + x */
FS_OPT_ADD_MUL_A_X_A, /**< a * x + a = a * (x + 1) */
FS_OPT_SUB_0_A, /**< 0 - a = -a */
+ FS_OPT_MINUS_SUB, /**< - (a - b) = b - a */
+ FS_OPT_SUB_MINUS, /**< a - (-b) = a + b */
FS_OPT_SUB_MUL_A_X_A, /**< a * x - a = a * (x - 1) */
FS_OPT_SUB_SUB_X_Y_Z, /**< (x - y) - z = x - (y + z) */
+ FS_OPT_SUB_C_NOT_X, /**< c - ~a = a + (c+1) */
+ FS_OPT_SUB_TO_ADD, /**< (-a) - b = -(a + b), a - (b - c) = a + (c - b), a - (b * C) -> a + (b * -C) */
+ FS_OPT_MUL_MINUS, /**< (-a) * (b - c) -> a * (c - b) */
FS_OPT_MUL_MINUS_1, /**< a * -1 = -a */
+ FS_OPT_MINUS_MUL_C, /**< (-a) * C = a * (-C) */
+ FS_OPT_MUL_MINUS_MINUS, /**< (-a) * (-b) = a * b */
FS_OPT_OR, /**< a | a = a | 0 = 0 | a = a */
FS_OPT_AND, /**< a & 0b1...1 = 0b1...1 & a = a & a = a */
+ FS_OPT_TO_EOR, /**< (a|b) & ~(a&b) = a^b */
FS_OPT_EOR_A_A, /**< a ^ a = 0 */
FS_OPT_EOR_TO_NOT_BOOL, /**< bool ^ 1 = !bool */
- FS_OPT_EOR_TO_NOT, /**< x ^ 0b1..1 = ~x */
+ FS_OPT_EOR_TO_NOT, /**< x ^ 0b1..1 = ~x, (a ^ b) & b -> ~a & b */
FS_OPT_NOT_CMP, /**< !(a cmp b) = a !cmp b */
FS_OPT_OR_SHFT_TO_ROT, /**< (x << c) | (x >> (bits - c)) == Rot(x, c) */
FS_OPT_REASSOC_SHIFT, /**< (x SHF c1) SHF c2 = x SHF (c1+c2) */
FS_OPT_MUX_TO_MAX, /**< Mux(a > b, a, b) = Max(a,b) */
FS_OPT_MUX_TO_ABS, /**< Mux(a > b, a, b) = Abs(a,b) */
FS_OPT_MUX_TO_SHR, /**< Mux(a > b, a, b) = a >> b */
+ FS_OPT_IDEM_UNARY, /**< Idempotent unary operation */
+ FS_OPT_MINUS_NOT, /**< -(~x) = x + 1 */
+ FS_OPT_NOT_MINUS_1, /**< ~(x - 1) = -x */
+ FS_OPT_NOT_PLUS_1, /**< ~x + 1 = -x */
+ FS_OPT_ADD_X_NOT_X, /**< ~x + x = -1 */
+ FS_OPT_FP_INV_MUL, /**< x / y = x * (1.0/y) */
+ FS_OPT_ABS_MINUS_X, /**< Abs(-x) = Abs(x) */
FS_OPT_CONST_PHI, /**< Constant evaluation on Phi */
+ FS_OPT_PREDICATE, /**< Predicate optimization */
+ FS_OPT_DEMORGAN, /**< optimization using DeMorgan's law */
+ FS_OPT_CMP_OP_OP, /**< CMP optimization: Cmp(OP(x), OP(y)) = Cmp(x, y) */
+ FS_OPT_CMP_OP_C, /**< CMP optimization: Cmp(OP(x), c1) = Cmp(x, c2) */
+ FS_OPT_CMP_CONV_CONV, /**< CMP optimization: Cmp(Conv(x), Conv(y)) = Cmp(x, y) */
+ FS_OPT_CMP_CONV, /**< CMP optimization: Cmp(Conv(x), Conv(y)) = Cmp(Conv(x), y) */
+ FS_OPT_CMP_TO_BOOL, /**< CMP optimization: Cmp(x, y) = BoolOP(x, y) */
+ FS_OPT_CMP_CNST_MAGN, /**< CMP optimization: reduced magnitude of a const */
+ FS_OPT_CMP_SHF_TO_AND, /**< CMP optimization: transformed shift into And */
+ FS_OPT_CMP_MOD_TO_AND, /**< CMP optimization: transformed Mod into And */
+ FS_OPT_RTS_ABS, /**< RTS optimization: call to abs() replaced */
+ FS_OPT_RTS_ALLOCA, /**< RTS optimization: call to alloca() replaced */
+ FS_OPT_RTS_SQRT, /**< RTS optimization: call to sqrt() replaced */
+ FS_OPT_RTS_CBRT, /**< RTS optimization: call to cbrt() replaced */
+ FS_OPT_RTS_POW, /**< RTS optimization: call to pow() replaced */
+ FS_OPT_RTS_EXP, /**< RTS optimization: call to exp() replaced */
+ FS_OPT_RTS_LOG, /**< RTS optimization: call to log() replaced */
+ FS_OPT_RTS_SIN, /**< RTS optimization: call to sin() replaced */
+ FS_OPT_RTS_COS, /**< RTS optimization: call to cos() replaced */
+ FS_OPT_RTS_TAN, /**< RTS optimization: call to tan() replaced */
+ FS_OPT_RTS_ASIN, /**< RTS optimization: call to asin() replaced */
+ FS_OPT_RTS_ACOS, /**< RTS optimization: call to acos() replaced */
+ FS_OPT_RTS_ATAN, /**< RTS optimization: call to atan() replaced */
+ FS_OPT_RTS_SINH, /**< RTS optimization: call to sinh() replaced */
+ FS_OPT_RTS_COSH, /**< RTS optimization: call to cosh() replaced */
+ FS_OPT_RTS_TANH, /**< RTS optimization: call to tanh() replaced */
+ FS_OPT_RTS_SYMMETRIC, /**< RTS optimization: call to symmetric function f(-x) replaced by f(x) */
+ FS_OPT_RTS_STRCMP, /**< RTS optimization: call to strcmp() replaced */
+ FS_OPT_RTS_STRNCMP, /**< RTS optimization: call to strncmp() replaced */
+ FS_OPT_RTS_MEMCPY, /**< RTS optimization: call to memcpy() replaced */
+ FS_OPT_RTS_MEMSET, /**< RTS optimization: call to memset() replaced */
+ FS_OPT_RTS_STRLEN, /**< RTS optimization: call to strlen() replaced */
FS_BE_IA32_LEA, /**< Lea was created */
FS_BE_IA32_LOAD_LEA, /**< Load merged with a Lea */
FS_BE_IA32_STORE_LEA, /**< Store merged with a Lea */
projects / libfirm / blobdiff