X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftv%2Ftv.c;h=b6bb7709459d0a72ccd5b96639b6373cfd541c59;hb=274626e2d58cfa247b88ee05adaca8906b025d93;hp=dbdf9b6e0defa0acad5eb8ac52bbf8ed4c14da37;hpb=ce6161a7e42a48f7422b7babcc64d8ace18e2687;p=libfirm diff --git a/ir/tv/tv.c b/ir/tv/tv.c index dbdf9b6e0..b6bb77094 100644 --- a/ir/tv/tv.c +++ b/ir/tv/tv.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -23,7 +23,6 @@ * values. * @date 2003 * @author Mathias Heil - * @version $Id$ * @brief * * Values are stored in a format depending upon chosen arithmetic @@ -36,10 +35,8 @@ #include #include #include -#ifdef HAVE_STRINGS_H -#include -#endif #include +#include #include "bitfiddle.h" #include "tv_t.h" @@ -49,7 +46,7 @@ #include "irnode.h" #include "strcalc.h" #include "fltcalc.h" -#include "irtools.h" +#include "util.h" #include "xmalloc.h" #include "firm_common.h" #include "error.h" @@ -66,7 +63,9 @@ typedef enum float_to_int_mode { static float_to_int_mode current_float_to_int_mode = TRUNCATE; +/* set this to true if infinity should be clipped to +/- MAX_FLOAT */ #define SWITCH_NOINFINITY 0 +/* set this to true if denormals should be clipped to zero */ #define SWITCH_NODENORMALS 0 /**************************************************************************** @@ -100,24 +99,12 @@ static tarval_int_overflow_mode_t int_overflow_mode = TV_OVERFLOW_WRAP; /** if this is set non-zero, the constant folding for floating point is OFF */ static int no_float = 0; -/** IEEE-754r half precision */ -static const ieee_descriptor_t half_desc = { 5, 10, 0, NORMAL }; -/** IEEE-754 single precision */ -static const ieee_descriptor_t single_desc = { 8, 23, 0, NORMAL }; -/** IEEE-754 double precision */ -static const ieee_descriptor_t double_desc = { 11, 52, 0, NORMAL }; -/** Intel x87 extended precision */ -static const ieee_descriptor_t extended_desc = { 15, 63, 1, NORMAL }; - -/** IEEE-754r quad precision */ -static const ieee_descriptor_t quad_desc = { 15, 112, 0, NORMAL }; - /**************************************************************************** * private functions ****************************************************************************/ #ifndef NDEBUG -static int hash_val(const void *value, unsigned int length); -static int hash_tv(ir_tarval *tv); +static unsigned hash_val(const void *value, size_t length); +static unsigned hash_tv(ir_tarval *tv); static void _fail_verify(ir_tarval *tv, const char* file, int line) { /* print a memory image of the tarval and throw an assertion */ @@ -126,11 +113,12 @@ static void _fail_verify(ir_tarval *tv, const char* file, int line) else panic("%s:%d: Invalid tarval (null)", file, line); } + +inline static #ifdef __GNUC__ -inline static void tarval_verify(ir_tarval *tv) __attribute__ ((unused)); + __attribute__((unused)) #endif - -inline static void tarval_verify(ir_tarval *tv) +void tarval_verify(ir_tarval *tv) { assert(tv); assert(tv->mode); @@ -145,16 +133,16 @@ inline static void tarval_verify(ir_tarval *tv) #endif /* NDEBUG */ /** Hash a tarval. */ -static int hash_tv(ir_tarval *tv) +static unsigned hash_tv(ir_tarval *tv) { - return (PTR_TO_INT(tv->value) ^ PTR_TO_INT(tv->mode)) + tv->length; + return (unsigned)((PTR_TO_INT(tv->value) ^ PTR_TO_INT(tv->mode)) + tv->length); } /** Hash a value. Treat it as a byte array. */ -static int hash_val(const void *value, unsigned int length) +static unsigned hash_val(const void *value, size_t length) { - unsigned int i; - unsigned int hash = 0; + size_t i; + unsigned hash = 0; /* scramble the byte - array */ for (i = 0; i < length; ++i) { @@ -190,7 +178,7 @@ static int cmp_tv(const void *p1, const void *p2, size_t n) } /** finds tarval with value/mode or creates new tarval */ -static ir_tarval *get_tarval(const void *value, int length, ir_mode *mode) +static ir_tarval *get_tarval(const void *value, size_t length, ir_mode *mode) { ir_tarval tv; @@ -217,7 +205,7 @@ static ir_tarval *get_tarval(const void *value, int length, ir_mode *mode) /** * handle overflow */ -static ir_tarval *get_tarval_overflow(const void *value, int length, ir_mode *mode) +static ir_tarval *get_tarval_overflow(const void *value, size_t length, ir_mode *mode) { char *temp; @@ -254,7 +242,7 @@ static ir_tarval *get_tarval_overflow(const void *value, int length, ir_mode *mo case TV_OVERFLOW_SATURATE: return get_mode_min(mode); case TV_OVERFLOW_WRAP: { - char *temp = (char*) alloca(sc_get_buffer_length()); + temp = (char*) alloca(sc_get_buffer_length()); memcpy(temp, value, sc_get_buffer_length()); sc_truncate(get_mode_size_bits(mode), temp); return get_tarval(temp, length, mode); @@ -268,14 +256,13 @@ static ir_tarval *get_tarval_overflow(const void *value, int length, ir_mode *mo break; case irms_float_number: -#ifdef SWITCH_NOINFINITY +#if SWITCH_NOINFINITY if (fc_is_inf((const fp_value*) value)) { /* clip infinity to maximum value */ return fc_is_negative((const fp_value*) value) ? get_mode_min(mode) : get_mode_max(mode); } #endif - -#ifdef SWITCH_NODENORMALS +#if SWITCH_NODENORMALS if (fc_is_subnormal((const fp_value*) value)) { /* clip denormals to zero */ return get_mode_null(mode); @@ -304,21 +291,9 @@ ir_tarval *tarval_unreachable = &reserved_tv[5]; /** * get the float descriptor for given mode. */ -static const ieee_descriptor_t *get_descriptor(const ir_mode *mode) -{ - switch (get_mode_size_bits(mode)) { - case 16: return &half_desc; - case 32: return &single_desc; - case 64: return &double_desc; - case 80: - case 96: - case 128: return &extended_desc; /* FIXME: HACK for x86 where we have - sizeof(long double)==16 with 10 byte - real payload */ - /* case 128: return &quad_desc; */ - default: - panic("Unsupported mode in get_descriptor()"); - } +static const float_descriptor_t *get_descriptor(const ir_mode *mode) +{ + return &mode->float_desc; } ir_tarval *new_integer_tarval_from_str(const char *str, size_t len, char sign, @@ -392,18 +367,13 @@ static ir_tarval *new_tarval_from_str_int(const char *str, size_t len, */ ir_tarval *new_tarval_from_str(const char *str, size_t len, ir_mode *mode) { - const ieee_descriptor_t *desc; + const float_descriptor_t *desc; assert(str); assert(len); assert(mode); switch (get_mode_sort(mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - panic("Unsupported tarval creation with mode %F", mode); - case irms_internal_boolean: /* match [tT][rR][uU][eE]|[fF][aA][lL][sS][eE] */ if (!strcasecmp(str, "true")) @@ -425,8 +395,9 @@ ir_tarval *new_tarval_from_str(const char *str, size_t len, ir_mode *mode) /* FALLTHROUGH */ case irms_int_number: return new_tarval_from_str_int(str, len, mode); + default: + panic("Unsupported tarval creation with mode %F", mode); } - panic("Unsupported tarval creation with mode %F", mode); } /* @@ -480,9 +451,9 @@ long get_tarval_long(ir_tarval* tv) return sc_val_to_long(tv->value); } -ir_tarval *new_tarval_from_double(long double d, ir_mode *mode) +ir_tarval *new_tarval_from_long_double(long double d, ir_mode *mode) { - const ieee_descriptor_t *desc; + const float_descriptor_t *desc; assert(mode && (get_mode_sort(mode) == irms_float_number)); desc = get_descriptor(mode); @@ -490,6 +461,11 @@ ir_tarval *new_tarval_from_double(long double d, ir_mode *mode) return get_tarval(fc_get_buffer(), fc_get_buffer_length(), mode); } +ir_tarval *new_tarval_from_double(double d, ir_mode *mode) +{ + return new_tarval_from_long_double(d, mode); +} + /* returns non-zero if can be converted to double */ int tarval_is_double(ir_tarval *tv) { @@ -498,13 +474,18 @@ int tarval_is_double(ir_tarval *tv) return (get_mode_sort(tv->mode) == irms_float_number); } -long double get_tarval_double(ir_tarval *tv) +long double get_tarval_long_double(ir_tarval *tv) { assert(tarval_is_double(tv)); return fc_val_to_ieee754((const fp_value*) tv->value); } +double get_tarval_double(ir_tarval *tv) +{ + return get_tarval_long_double(tv); +} + /* * Access routines for tarval fields ======================================== @@ -558,20 +539,9 @@ ir_tarval *(get_tarval_unreachable)(void) ir_tarval *get_tarval_max(ir_mode *mode) { - const ieee_descriptor_t *desc; - - assert(mode); - if (get_mode_n_vector_elems(mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } + const float_descriptor_t *desc; switch (get_mode_sort(mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - panic("mode %F does not support maximum value", mode); - case irms_internal_boolean: return tarval_b_true; @@ -584,26 +554,16 @@ ir_tarval *get_tarval_max(ir_mode *mode) case irms_int_number: sc_max_from_bits(get_mode_size_bits(mode), mode_is_signed(mode), NULL); return get_tarval(sc_get_buffer(), sc_get_buffer_length(), mode); + default: + panic("mode %F does not support maximum value", mode); } - return tarval_bad; } ir_tarval *get_tarval_min(ir_mode *mode) { - const ieee_descriptor_t *desc; - - assert(mode); - if (get_mode_n_vector_elems(mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } + const float_descriptor_t *desc; switch (get_mode_sort(mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - panic("mode %F does not support minimum value", mode); - case irms_internal_boolean: return tarval_b_false; @@ -616,8 +576,9 @@ ir_tarval *get_tarval_min(ir_mode *mode) case irms_int_number: sc_min_from_bits(get_mode_size_bits(mode), mode_is_signed(mode), NULL); return get_tarval(sc_get_buffer(), sc_get_buffer_length(), mode); + default: + panic("mode %F does not support minimum value", mode); } - return tarval_bad; } /** The bit pattern for the pointer NULL */ @@ -625,19 +586,7 @@ static long _null_value = 0; ir_tarval *get_tarval_null(ir_mode *mode) { - assert(mode); - - if (get_mode_n_vector_elems(mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - switch (get_mode_sort(mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - panic("mode %F does not support null value", mode); - case irms_float_number: return new_tarval_from_double(0.0, mode); @@ -647,23 +596,14 @@ ir_tarval *get_tarval_null(ir_mode *mode) case irms_reference: return new_tarval_from_long(_null_value, mode); + default: + panic("mode %F does not support null value", mode); } - return tarval_bad; } ir_tarval *get_tarval_one(ir_mode *mode) { - assert(mode); - - if (get_mode_n_vector_elems(mode) > 1) - panic("vector arithmetic not implemented yet"); - switch (get_mode_sort(mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - panic("mode %F does not support one value", mode); - case irms_internal_boolean: return tarval_b_true; @@ -673,38 +613,30 @@ ir_tarval *get_tarval_one(ir_mode *mode) case irms_reference: case irms_int_number: return new_tarval_from_long(1l, mode); + default: + panic("mode %F does not support one value", mode); } - return tarval_bad; } ir_tarval *get_tarval_all_one(ir_mode *mode) { - assert(mode); - - if (get_mode_n_vector_elems(mode) > 1) - panic("vector arithmetic not implemented yet"); - switch (get_mode_sort(mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - panic("mode %F does not support all-one value", mode); - case irms_int_number: case irms_internal_boolean: case irms_reference: return tarval_not(get_mode_null(mode)); - case irms_float_number: return new_tarval_from_double(1.0, mode); + + default: + panic("mode %F does not support all-one value", mode); } - return tarval_bad; } int tarval_is_constant(ir_tarval *tv) { - int num_res = sizeof(reserved_tv) / sizeof(reserved_tv[0]); + size_t const num_res = ARRAY_SIZE(reserved_tv); /* reserved tarvals are NOT constants. Note that although tarval_b_true and tarval_b_false are reserved, they are constants of course. */ @@ -713,18 +645,7 @@ int tarval_is_constant(ir_tarval *tv) ir_tarval *get_tarval_minus_one(ir_mode *mode) { - assert(mode); - - if (get_mode_n_vector_elems(mode) > 1) - panic("vector arithmetic not implemented yet"); - switch (get_mode_sort(mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - case irms_internal_boolean: - panic("mode %F does not support minus one value", mode); - case irms_reference: return tarval_bad; @@ -733,17 +654,15 @@ ir_tarval *get_tarval_minus_one(ir_mode *mode) case irms_int_number: return new_tarval_from_long(-1l, mode); + + default: + panic("mode %F does not support minus one value", mode); } - return tarval_bad; } ir_tarval *get_tarval_nan(ir_mode *mode) { - const ieee_descriptor_t *desc; - - assert(mode); - if (get_mode_n_vector_elems(mode) > 1) - panic("vector arithmetic not implemented yet"); + const float_descriptor_t *desc; if (get_mode_sort(mode) == irms_float_number) { desc = get_descriptor(mode); @@ -755,12 +674,8 @@ ir_tarval *get_tarval_nan(ir_mode *mode) ir_tarval *get_tarval_plus_inf(ir_mode *mode) { - assert(mode); - if (get_mode_n_vector_elems(mode) > 1) - panic("vector arithmetic not implemented yet"); - if (get_mode_sort(mode) == irms_float_number) { - const ieee_descriptor_t *desc = get_descriptor(mode); + const float_descriptor_t *desc = get_descriptor(mode); fc_get_plusinf(desc, NULL); return get_tarval(fc_get_buffer(), fc_get_buffer_length(), mode); } else @@ -769,13 +684,8 @@ ir_tarval *get_tarval_plus_inf(ir_mode *mode) ir_tarval *get_tarval_minus_inf(ir_mode *mode) { - assert(mode); - - if (get_mode_n_vector_elems(mode) > 1) - panic("vector arithmetic not implemented yet"); - if (get_mode_sort(mode) == irms_float_number) { - const ieee_descriptor_t *desc = get_descriptor(mode); + const float_descriptor_t *desc = get_descriptor(mode); fc_get_minusinf(desc, NULL); return get_tarval(fc_get_buffer(), fc_get_buffer_length(), mode); } else @@ -791,9 +701,6 @@ ir_tarval *get_tarval_minus_inf(ir_mode *mode) */ int tarval_is_negative(ir_tarval *a) { - if (get_mode_n_vector_elems(a->mode) > 1) - panic("vector arithmetic not implemented yet"); - switch (get_mode_sort(a->mode)) { case irms_int_number: if (!mode_is_signed(a->mode)) return 0; @@ -848,7 +755,7 @@ int tarval_is_minus_one(ir_tarval *a) /* * comparison */ -pn_Cmp tarval_cmp(ir_tarval *a, ir_tarval *b) +ir_relation tarval_cmp(ir_tarval *a, ir_tarval *b) { carry_flag = -1; @@ -857,52 +764,39 @@ pn_Cmp tarval_cmp(ir_tarval *a, ir_tarval *b) } if (a == tarval_undefined || b == tarval_undefined) - return pn_Cmp_False; + return ir_relation_false; if (a->mode != b->mode) - return pn_Cmp_False; - - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - panic("cmp not implemented for vector modes"); - } + return ir_relation_false; /* Here the two tarvals are unequal and of the same mode */ switch (get_mode_sort(a->mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - if (a == b) - return pn_Cmp_Eq; - return pn_Cmp_False; - case irms_float_number: - /* it should be safe to enable this even if other arithmetic is disabled */ - /*if (no_float) - return pn_Cmp_False;*/ /* * BEWARE: we cannot compare a == b here, because * a NaN is always Unordered to any other value, even to itself! */ switch (fc_comp((const fp_value*) a->value, (const fp_value*) b->value)) { - case -1: return pn_Cmp_Lt; - case 0: return pn_Cmp_Eq; - case 1: return pn_Cmp_Gt; - case 2: return pn_Cmp_Uo; - default: return pn_Cmp_False; + case -1: return ir_relation_less; + case 0: return ir_relation_equal; + case 1: return ir_relation_greater; + case 2: return ir_relation_unordered; + default: return ir_relation_false; } case irms_reference: case irms_int_number: if (a == b) - return pn_Cmp_Eq; - return sc_comp(a->value, b->value) == 1 ? pn_Cmp_Gt : pn_Cmp_Lt; + return ir_relation_equal; + return sc_comp(a->value, b->value) == 1 ? ir_relation_greater : ir_relation_less; case irms_internal_boolean: if (a == b) - return pn_Cmp_Eq; - return a == tarval_b_true ? pn_Cmp_Gt : pn_Cmp_Lt; + return ir_relation_equal; + return a == tarval_b_true ? ir_relation_greater : ir_relation_less; + + default: + panic("can't compare values of mode %F", a->mode); } - return pn_Cmp_False; } /* @@ -912,7 +806,7 @@ ir_tarval *tarval_convert_to(ir_tarval *src, ir_mode *dst_mode) { char *buffer; fp_value *res = NULL; - const ieee_descriptor_t *desc; + const float_descriptor_t *desc; int len; carry_flag = -1; @@ -923,18 +817,8 @@ ir_tarval *tarval_convert_to(ir_tarval *src, ir_mode *dst_mode) if (src->mode == dst_mode) return src; - if (get_mode_n_vector_elems(src->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - switch (get_mode_sort(src->mode)) { - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - break; - - /* cast float to something */ + /* cast float to something */ case irms_float_number: switch (get_mode_sort(dst_mode)) { case irms_float_number: @@ -957,10 +841,10 @@ ir_tarval *tarval_convert_to(ir_tarval *src, ir_mode *dst_mode) return get_tarval(buffer, sc_get_buffer_length(), dst_mode); default: - /* the rest can't be converted */ - return tarval_bad; + break; } - break; + /* the rest can't be converted */ + return tarval_bad; /* cast int/characters to something */ case irms_int_number: @@ -970,7 +854,6 @@ ir_tarval *tarval_convert_to(ir_tarval *src, ir_mode *dst_mode) case irms_int_number: buffer = (char*) alloca(sc_get_buffer_length()); memcpy(buffer, src->value, sc_get_buffer_length()); - sign_extend(buffer, dst_mode); return get_tarval_overflow(buffer, src->length, dst_mode); case irms_internal_boolean: @@ -1011,6 +894,8 @@ ir_tarval *tarval_convert_to(ir_tarval *src, ir_mode *dst_mode) return get_tarval_overflow(buffer, src->length, dst_mode); } break; + default: + return tarval_bad; } return tarval_bad; @@ -1059,11 +944,6 @@ ir_tarval *tarval_neg(ir_tarval *a) /* note: negation is allowed even for unsigned modes. */ - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - switch (get_mode_sort(a->mode)) { case irms_int_number: buffer = (char*) alloca(sc_get_buffer_length()); @@ -1092,11 +972,6 @@ ir_tarval *tarval_add(ir_tarval *a, ir_tarval *b) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1 || get_mode_n_vector_elems(b->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - if (mode_is_reference(a->mode) && a->mode != b->mode) { b = tarval_convert_to(b, a->mode); } else if (mode_is_reference(b->mode) && b->mode != a->mode) { @@ -1135,11 +1010,6 @@ ir_tarval *tarval_sub(ir_tarval *a, ir_tarval *b, ir_mode *dst_mode) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1 || get_mode_n_vector_elems(b->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - if (dst_mode != NULL) { if (a->mode != dst_mode) a = tarval_convert_to(a, dst_mode); @@ -1180,11 +1050,6 @@ ir_tarval *tarval_mul(ir_tarval *a, ir_tarval *b) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - switch (get_mode_sort(a->mode)) { case irms_int_number: /* modes of a,b are equal */ @@ -1205,46 +1070,29 @@ ir_tarval *tarval_mul(ir_tarval *a, ir_tarval *b) } /* - * floating point division - */ -ir_tarval *tarval_quo(ir_tarval *a, ir_tarval *b) -{ - assert((a->mode == b->mode) && mode_is_float(a->mode)); - - carry_flag = -1; - - if (no_float) - return tarval_bad; - - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - - fc_div((const fp_value*) a->value, (const fp_value*) b->value, NULL); - return get_tarval_overflow(fc_get_buffer(), fc_get_buffer_length(), a->mode); -} - -/* - * integer division + * division * overflow is impossible, but look out for division by zero */ ir_tarval *tarval_div(ir_tarval *a, ir_tarval *b) { - assert((a->mode == b->mode) && mode_is_int(a->mode)); + ir_mode *mode = a->mode; + assert(mode == b->mode); carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } + if (mode_is_int(mode)) { + /* x/0 error */ + if (b == get_mode_null(mode)) + return tarval_bad; - /* x/0 error */ - if (b == get_mode_null(b->mode)) return tarval_bad; - /* modes of a,b are equal */ - sc_div(a->value, b->value, NULL); - return get_tarval(sc_get_buffer(), sc_get_buffer_length(), a->mode); + /* modes of a,b are equal */ + sc_div(a->value, b->value, NULL); + return get_tarval(sc_get_buffer(), sc_get_buffer_length(), a->mode); + } else { + assert(mode_is_float(mode)); + fc_div((const fp_value*) a->value, (const fp_value*) b->value, NULL); + return get_tarval_overflow(fc_get_buffer(), fc_get_buffer_length(), mode); + } } /* @@ -1257,11 +1105,6 @@ ir_tarval *tarval_mod(ir_tarval *a, ir_tarval *b) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - /* x/0 error */ if (b == get_mode_null(b->mode)) return tarval_bad; /* modes of a,b are equal */ @@ -1283,12 +1126,6 @@ ir_tarval *tarval_divmod(ir_tarval *a, ir_tarval *b, ir_tarval **mod) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - - /* x/0 error */ if (b == get_mode_null(b->mode)) return tarval_bad; /* modes of a,b are equal */ @@ -1307,11 +1144,6 @@ ir_tarval *tarval_abs(ir_tarval *a) carry_flag = -1; assert(mode_is_num(a->mode)); - if (get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - switch (get_mode_sort(a->mode)) { case irms_int_number: if (sc_comp(a->value, get_mode_null(a->mode)->value) == -1) { @@ -1353,6 +1185,7 @@ ir_tarval *tarval_and(ir_tarval *a, ir_tarval *b) case irms_internal_boolean: return (a == tarval_b_false) ? a : b; + case irms_reference: case irms_int_number: sc_and(a->value, b->value, NULL); return get_tarval(sc_get_buffer(), sc_get_buffer_length(), a->mode); @@ -1373,6 +1206,7 @@ ir_tarval *tarval_andnot(ir_tarval *a, ir_tarval *b) case irms_internal_boolean: return a == tarval_b_true && b == tarval_b_false ? tarval_b_true : tarval_b_false; + case irms_reference: case irms_int_number: sc_andnot(a->value, b->value, NULL); return get_tarval(sc_get_buffer(), sc_get_buffer_length(), a->mode); @@ -1396,6 +1230,7 @@ ir_tarval *tarval_or(ir_tarval *a, ir_tarval *b) case irms_internal_boolean: return (a == tarval_b_true) ? a : b; + case irms_reference: case irms_int_number: sc_or(a->value, b->value, NULL); return get_tarval(sc_get_buffer(), sc_get_buffer_length(), a->mode); @@ -1419,6 +1254,7 @@ ir_tarval *tarval_eor(ir_tarval *a, ir_tarval *b) case irms_internal_boolean: return (a == b)? tarval_b_false : tarval_b_true; + case irms_reference: case irms_int_number: sc_xor(a->value, b->value, NULL); return get_tarval(sc_get_buffer(), sc_get_buffer_length(), a->mode); @@ -1439,11 +1275,6 @@ ir_tarval *tarval_shl(ir_tarval *a, ir_tarval *b) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1 || get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - if (get_mode_modulo_shift(a->mode) != 0) { temp_val = (char*) alloca(sc_get_buffer_length()); @@ -1467,11 +1298,6 @@ ir_tarval *tarval_shr(ir_tarval *a, ir_tarval *b) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1 || get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - if (get_mode_modulo_shift(a->mode) != 0) { temp_val = (char*) alloca(sc_get_buffer_length()); @@ -1495,11 +1321,6 @@ ir_tarval *tarval_shrs(ir_tarval *a, ir_tarval *b) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1 || get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - if (get_mode_modulo_shift(a->mode) != 0) { temp_val = (char*) alloca(sc_get_buffer_length()); @@ -1523,11 +1344,6 @@ ir_tarval *tarval_rotl(ir_tarval *a, ir_tarval *b) carry_flag = -1; - if (get_mode_n_vector_elems(a->mode) > 1 || get_mode_n_vector_elems(a->mode) > 1) { - /* vector arithmetic not implemented yet */ - return tarval_bad; - } - if (get_mode_modulo_shift(a->mode) != 0) { temp_val = (char*) alloca(sc_get_buffer_length()); @@ -1605,7 +1421,6 @@ int tarval_snprintf(char *buf, size_t len, ir_tarval *tv) default: return snprintf(buf, len, "%s%s%s", prefix, fc_print((const fp_value*) tv->value, tv_buf, sizeof(tv_buf), FC_DEC), suffix); } - break; case irms_internal_boolean: switch (mode_info->mode_output) { @@ -1621,21 +1436,9 @@ int tarval_snprintf(char *buf, size_t len, ir_tarval *tv) return snprintf(buf, len, "%s%s%s", prefix, (tv == tarval_b_true) ? "true" : "false", suffix); } - case irms_control_flow: - case irms_memory: - case irms_auxiliary: - if (tv == tarval_bad) - return snprintf(buf, len, ""); - if (tv == tarval_undefined) - return snprintf(buf, len, ""); - if (tv == tarval_unreachable) - return snprintf(buf, len, ""); - if (tv == tarval_reachable) - return snprintf(buf, len, ""); + default: return snprintf(buf, len, ""); } - - return 0; } /** @@ -1681,6 +1484,7 @@ unsigned char get_tarval_sub_bits(ir_tarval *tv, unsigned byte_ofs) case irma_twos_complement: return sc_sub_bits(tv->value, get_mode_size_bits(tv->mode), byte_ofs); case irma_ieee754: + case irma_x86_extended_float: return fc_sub_bits((const fp_value*) tv->value, get_mode_size_bits(tv->mode), byte_ofs); default: panic("get_tarval_sub_bits(): arithmetic mode not supported"); @@ -1789,16 +1593,18 @@ int get_tarval_lowest_bit(ir_tarval *tv) * Returns non-zero if the mantissa of a floating point IEEE-754 * tarval is zero (i.e. 1.0Exxx) */ -int tarval_ieee754_zero_mantissa(ir_tarval *tv) +int tarval_zero_mantissa(ir_tarval *tv) { - assert(get_mode_arithmetic(tv->mode) == irma_ieee754); + assert(get_mode_arithmetic(tv->mode) == irma_ieee754 + || get_mode_arithmetic(tv->mode) == irma_x86_extended_float); return fc_zero_mantissa((const fp_value*) tv->value); } /* Returns the exponent of a floating point IEEE-754 tarval. */ -int tarval_ieee754_get_exponent(ir_tarval *tv) +int tarval_get_exponent(ir_tarval *tv) { - assert(get_mode_arithmetic(tv->mode) == irma_ieee754); + assert(get_mode_arithmetic(tv->mode) == irma_ieee754 + || get_mode_arithmetic(tv->mode) == irma_x86_extended_float); return fc_get_exponent((const fp_value*) tv->value); } @@ -1808,34 +1614,16 @@ int tarval_ieee754_get_exponent(ir_tarval *tv) */ int tarval_ieee754_can_conv_lossless(ir_tarval *tv, ir_mode *mode) { - const ieee_descriptor_t *desc = get_descriptor(mode); + const float_descriptor_t *desc = get_descriptor(mode); return fc_can_lossless_conv_to((const fp_value*) tv->value, desc); } -/* Set the immediate precision for IEEE-754 results. */ -unsigned tarval_ieee754_set_immediate_precision(unsigned bits) -{ - return fc_set_immediate_precision(bits); -} - /* Returns non-zero if the result of the last IEEE-754 operation was exact. */ unsigned tarval_ieee754_get_exact(void) { return fc_is_exact(); } -/* Return the size of the mantissa in bits (including possible - implicit bits) for the given mode. */ -unsigned tarval_ieee754_get_mantissa_size(const ir_mode *mode) -{ - const ieee_descriptor_t *desc; - - assert(get_mode_arithmetic(mode) == irma_ieee754); - desc = get_descriptor(mode); - - return desc->mantissa_size + desc->explicit_one; -} - /* check if its the a floating point NaN */ int tarval_is_NaN(ir_tarval *tv) {