X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Ffirmstat.h;h=f5114d35c1ca8281eecf4ed0d365669bb29aa868;hb=3646e58f46f85a17537e89483d6b0c279df4a4d2;hp=af12c69979a4646ad49b0911607bcefc224dbab8;hpb=5db950e57dd3291516c077d5338c159fa110641f;p=libfirm diff --git a/include/libfirm/firmstat.h b/include/libfirm/firmstat.h index af12c6997..f5114d35c 100644 --- a/include/libfirm/firmstat.h +++ b/include/libfirm/firmstat.h @@ -1,5 +1,5 @@ /* - * 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. * @@ -60,6 +60,8 @@ enum firmstat_optimizations_t { 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_SUB_TO_NOT, /**< -1 - x -> ~x on two's complement */ + FS_OPT_SUB_TO_CONV, /**< a - NULL = (int)a */ 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) */ @@ -68,10 +70,11 @@ enum firmstat_optimizations_t { 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_A_B_A, /**< (a ^ b) ^ a = b */ FS_OPT_EOR_TO_NOT_BOOL, /**< bool ^ 1 = !bool */ 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_OR_SHFT_TO_ROTL, /**< (x << c) | (x >> (bits - c)) == Rotl(x, c) */ FS_OPT_REASSOC_SHIFT, /**< (x SHF c1) SHF c2 = x SHF (c1+c2) */ FS_OPT_SHIFT_AND, /**< (a SHF c) AND (b SHF c) = (a AND b) SHF c */ FS_OPT_SHIFT_OR, /**< (a SHF c) OR (b SHF c) = (a OR b) SHF c */ @@ -79,13 +82,21 @@ enum firmstat_optimizations_t { FS_OPT_CONV, /**< a Conv could be removed */ FS_OPT_CAST, /**< a Cast could be removed */ FS_OPT_MIN_MAX_EQ, /**< Min(a,a) = Max(a,a) = a */ + FS_OPT_MUX_COMBINE, /**< two Mux nodes where combined into one */ + FS_OPT_MUX_CONV, /**< MuxI(sel, 1, 0) = (I)sel */ + FS_OPT_MUX_BOOL, /**< Muxb(sel, true, false) = sel */ + FS_OPT_MUX_NOT_BOOL, /**< Muxb(sel, false, true) = Not(sel) */ + FS_OPT_MUX_OR_BOOL, /**< Muxb(sel, true, x) = Or(sel, x) */ + FS_OPT_MUX_ORNOT_BOOL, /**< Muxb(sel, x, true) = Or(Not(sel), x) */ + FS_OPT_MUX_AND_BOOL, /**< Muxb(sel, x, false) = And(sel, x) */ + FS_OPT_MUX_ANDNOT_BOOL, /**< Muxb(sel, false, x) = And(Not(sel), x) */ FS_OPT_MUX_C, /**< Mux(C, f, t) = C ? t : f */ FS_OPT_MUX_EQ, /**< Mux(v, x, x) = x */ - FS_OPT_MUX_TRANSFORM, /**< Mux(a, b, c) = b OR Mux(a,b, c) = c */ + FS_OPT_MUX_TRANSFORM, /**< Mux(t ==/!= f, t, f) = f/t, Mux(t ==/!= 0, -t, t) = -t/t */ FS_OPT_MUX_TO_MIN, /**< Mux(a < b, a, b) = Min(a,b) */ 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_MUX_TO_ABS, /**< Mux(a > 0, a, -a) = Abs(a) */ + FS_OPT_MUX_TO_BITOP, /**< Mux((a & 2^x) ==/!= 0, 2^x, 0) = (a & 2^x) (xor 2^x) */ FS_OPT_IDEM_UNARY, /**< Idempotent unary operation */ FS_OPT_MINUS_NOT, /**< -(~x) = x + 1 */ FS_OPT_NOT_MINUS_1, /**< ~(x - 1) = -x */ @@ -104,6 +115,15 @@ enum firmstat_optimizations_t { 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_NOP, /**< the operation is a NOP */ + FS_OPT_GVN_FOLLOWER, /**< GVN-PRE: replaced a follower */ + FS_OPT_GVN_FULLY, /**< GVN-PRE: replaced by fully redundant value */ + FS_OPT_GVN_PARTLY, /**< GVN-PRE: replaced by partly redundant value */ + FS_OPT_COMBO_CONST, /**< Combo: evaluated into Constant */ + FS_OPT_COMBO_CF, /**< Combo: removed conditional control flow */ + FS_OPT_COMBO_FOLLOWER, /**< Combo: replaced a follower */ + FS_OPT_COMBO_CONGRUENT, /**< Combo: replaced by congruent */ + FS_OPT_JUMPTHREADING, /**< Jump threading: removed conditional control flow */ 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 */ @@ -123,9 +143,13 @@ enum firmstat_optimizations_t { 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_STRCPY, /**< RTS optimization: call to strcpy() replaced */ + FS_OPT_RTS_STRLEN, /**< RTS optimization: call to strlen() replaced */ FS_OPT_RTS_MEMCPY, /**< RTS optimization: call to memcpy() replaced */ + FS_OPT_RTS_MEMPCPY, /**< RTS optimization: call to mempcpy() replaced */ + FS_OPT_RTS_MEMMOVE, /**< RTS optimization: call to memmove() replaced */ FS_OPT_RTS_MEMSET, /**< RTS optimization: call to memset() replaced */ - FS_OPT_RTS_STRLEN, /**< RTS optimization: call to strlen() replaced */ + FS_OPT_RTS_MEMCMP, /**< RTS optimization: call to memcmp() 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 */