/* Intrinsic translation
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
and Steven Bosscher <s.bosscher@student.tudelft.nl>
#include "config.h"
#include "system.h"
#include "coretypes.h"
-#include "tm.h"
+#include "tm.h" /* For UNITS_PER_WORD. */
#include "tree.h"
#include "ggc.h"
#include "toplev.h"
#include "real.h"
-#include "gimple.h"
#include "flags.h"
#include "gfortran.h"
#include "arith.h"
tree type;
tree bound;
tree tmp;
- tree cond, cond1, cond2, cond3, cond4, size;
+ tree cond, cond1, cond3, cond4, size;
tree ubound;
tree lbound;
gfc_se argse;
gfc_ss *ss;
gfc_array_spec * as;
- gfc_ref *ref;
arg = expr->value.function.actual;
arg2 = arg->next;
ubound = gfc_conv_descriptor_ubound_get (desc, bound);
lbound = gfc_conv_descriptor_lbound_get (desc, bound);
- /* Follow any component references. */
- if (arg->expr->expr_type == EXPR_VARIABLE
- || arg->expr->expr_type == EXPR_CONSTANT)
- {
- as = arg->expr->symtree->n.sym->as;
- for (ref = arg->expr->ref; ref; ref = ref->next)
- {
- switch (ref->type)
- {
- case REF_COMPONENT:
- as = ref->u.c.component->as;
- continue;
-
- case REF_SUBSTRING:
- continue;
-
- case REF_ARRAY:
- {
- switch (ref->u.ar.type)
- {
- case AR_ELEMENT:
- case AR_SECTION:
- case AR_UNKNOWN:
- as = NULL;
- continue;
-
- case AR_FULL:
- break;
- }
- break;
- }
- }
- }
- }
- else
- as = NULL;
+ as = gfc_get_full_arrayspec_from_expr (arg->expr);
/* 13.14.53: Result value for LBOUND
tree stride = gfc_conv_descriptor_stride_get (desc, bound);
cond1 = fold_build2 (GE_EXPR, boolean_type_node, ubound, lbound);
- cond2 = fold_build2 (LE_EXPR, boolean_type_node, ubound, lbound);
cond3 = fold_build2 (GE_EXPR, boolean_type_node, stride,
gfc_index_zero_node);
}
+/* Emit code for minloc or maxloc intrinsic. There are many different cases
+ we need to handle. For performance reasons we sometimes create two
+ loops instead of one, where the second one is much simpler.
+ Examples for minloc intrinsic:
+ 1) Result is an array, a call is generated
+ 2) Array mask is used and NaNs need to be supported:
+ limit = Infinity;
+ pos = 0;
+ S = from;
+ while (S <= to) {
+ if (mask[S]) {
+ if (pos == 0) pos = S + (1 - from);
+ if (a[S] <= limit) { limit = a[S]; pos = S + (1 - from); goto lab1; }
+ }
+ S++;
+ }
+ goto lab2;
+ lab1:;
+ while (S <= to) {
+ if (mask[S]) if (a[S] < limit) { limit = a[S]; pos = S + (1 - from); }
+ S++;
+ }
+ lab2:;
+ 3) NaNs need to be supported, but it is known at compile time or cheaply
+ at runtime whether array is nonempty or not:
+ limit = Infinity;
+ pos = 0;
+ S = from;
+ while (S <= to) {
+ if (a[S] <= limit) { limit = a[S]; pos = S + (1 - from); goto lab1; }
+ S++;
+ }
+ if (from <= to) pos = 1;
+ goto lab2;
+ lab1:;
+ while (S <= to) {
+ if (a[S] < limit) { limit = a[S]; pos = S + (1 - from); }
+ S++;
+ }
+ lab2:;
+ 4) NaNs aren't supported, array mask is used:
+ limit = infinities_supported ? Infinity : huge (limit);
+ pos = 0;
+ S = from;
+ while (S <= to) {
+ if (mask[S]) { limit = a[S]; pos = S + (1 - from); goto lab1; }
+ S++;
+ }
+ goto lab2;
+ lab1:;
+ while (S <= to) {
+ if (mask[S]) if (a[S] < limit) { limit = a[S]; pos = S + (1 - from); }
+ S++;
+ }
+ lab2:;
+ 5) Same without array mask:
+ limit = infinities_supported ? Infinity : huge (limit);
+ pos = (from <= to) ? 1 : 0;
+ S = from;
+ while (S <= to) {
+ if (a[S] < limit) { limit = a[S]; pos = S + (1 - from); }
+ S++;
+ }
+ For 3) and 5), if mask is scalar, this all goes into a conditional,
+ setting pos = 0; in the else branch. */
+
static void
gfc_conv_intrinsic_minmaxloc (gfc_se * se, gfc_expr * expr, enum tree_code op)
{
tree limit;
tree type;
tree tmp;
+ tree cond;
tree elsetmp;
tree ifbody;
tree offset;
+ tree nonempty;
+ tree lab1, lab2;
gfc_loopinfo loop;
gfc_actual_arglist *actual;
gfc_ss *arrayss;
actual = actual->next->next;
gcc_assert (actual);
maskexpr = actual->expr;
+ nonempty = NULL;
if (maskexpr && maskexpr->rank != 0)
{
maskss = gfc_walk_expr (maskexpr);
gcc_assert (maskss != gfc_ss_terminator);
}
else
- maskss = NULL;
+ {
+ mpz_t asize;
+ if (gfc_array_size (arrayexpr, &asize) == SUCCESS)
+ {
+ nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
+ mpz_clear (asize);
+ nonempty = fold_build2 (GT_EXPR, boolean_type_node, nonempty,
+ gfc_index_zero_node);
+ }
+ maskss = NULL;
+ }
limit = gfc_create_var (gfc_typenode_for_spec (&arrayexpr->ts), "limit");
n = gfc_validate_kind (arrayexpr->ts.type, arrayexpr->ts.kind, false);
switch (arrayexpr->ts.type)
{
case BT_REAL:
- tmp = gfc_conv_mpfr_to_tree (gfc_real_kinds[n].huge,
- arrayexpr->ts.kind, 0);
+ if (HONOR_INFINITIES (DECL_MODE (limit)))
+ {
+ REAL_VALUE_TYPE real;
+ real_inf (&real);
+ tmp = build_real (TREE_TYPE (limit), real);
+ }
+ else
+ tmp = gfc_conv_mpfr_to_tree (gfc_real_kinds[n].huge,
+ arrayexpr->ts.kind, 0);
break;
case BT_INTEGER:
gfc_conv_loop_setup (&loop, &expr->where);
gcc_assert (loop.dimen == 1);
+ if (nonempty == NULL && maskss == NULL && loop.from[0] && loop.to[0])
+ nonempty = fold_build2 (LE_EXPR, boolean_type_node, loop.from[0],
+ loop.to[0]);
+ lab1 = NULL;
+ lab2 = NULL;
/* Initialize the position to zero, following Fortran 2003. We are free
to do this because Fortran 95 allows the result of an entirely false
- mask to be processor dependent. */
- gfc_add_modify (&loop.pre, pos, gfc_index_zero_node);
+ mask to be processor dependent. If we know at compile time the array
+ is non-empty and no MASK is used, we can initialize to 1 to simplify
+ the inner loop. */
+ if (nonempty != NULL && !HONOR_NANS (DECL_MODE (limit)))
+ gfc_add_modify (&loop.pre, pos,
+ fold_build3 (COND_EXPR, gfc_array_index_type,
+ nonempty, gfc_index_one_node,
+ gfc_index_zero_node));
+ else
+ {
+ gfc_add_modify (&loop.pre, pos, gfc_index_zero_node);
+ lab1 = gfc_build_label_decl (NULL_TREE);
+ TREE_USED (lab1) = 1;
+ lab2 = gfc_build_label_decl (NULL_TREE);
+ TREE_USED (lab2) = 1;
+ }
gfc_mark_ss_chain_used (arrayss, 1);
if (maskss)
gfc_index_one_node, loop.from[0]);
else
tmp = gfc_index_one_node;
-
+
gfc_add_modify (&block, offset, tmp);
+ if (nonempty == NULL && HONOR_NANS (DECL_MODE (limit)))
+ {
+ stmtblock_t ifblock2;
+ tree ifbody2;
+
+ gfc_start_block (&ifblock2);
+ tmp = fold_build2 (PLUS_EXPR, TREE_TYPE (pos),
+ loop.loopvar[0], offset);
+ gfc_add_modify (&ifblock2, pos, tmp);
+ ifbody2 = gfc_finish_block (&ifblock2);
+ cond = fold_build2 (EQ_EXPR, boolean_type_node, pos,
+ gfc_index_zero_node);
+ tmp = build3_v (COND_EXPR, cond, ifbody2,
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+ }
+
tmp = fold_build2 (PLUS_EXPR, TREE_TYPE (pos),
loop.loopvar[0], offset);
gfc_add_modify (&ifblock, pos, tmp);
+ if (lab1)
+ gfc_add_expr_to_block (&ifblock, build1_v (GOTO_EXPR, lab1));
+
ifbody = gfc_finish_block (&ifblock);
- /* If it is a more extreme value or pos is still zero and the value
- equal to the limit. */
- tmp = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
- fold_build2 (EQ_EXPR, boolean_type_node,
- pos, gfc_index_zero_node),
- fold_build2 (EQ_EXPR, boolean_type_node,
- arrayse.expr, limit));
- tmp = fold_build2 (TRUTH_OR_EXPR, boolean_type_node,
- fold_build2 (op, boolean_type_node,
- arrayse.expr, limit), tmp);
- tmp = build3_v (COND_EXPR, tmp, ifbody, build_empty_stmt (input_location));
- gfc_add_expr_to_block (&block, tmp);
+ if (!lab1 || HONOR_NANS (DECL_MODE (limit)))
+ {
+ if (lab1)
+ cond = fold_build2 (op == GT_EXPR ? GE_EXPR : LE_EXPR,
+ boolean_type_node, arrayse.expr, limit);
+ else
+ cond = fold_build2 (op, boolean_type_node, arrayse.expr, limit);
+
+ ifbody = build3_v (COND_EXPR, cond, ifbody,
+ build_empty_stmt (input_location));
+ }
+ gfc_add_expr_to_block (&block, ifbody);
if (maskss)
{
tmp = gfc_finish_block (&block);
gfc_add_expr_to_block (&body, tmp);
+ if (lab1)
+ {
+ gfc_trans_scalarized_loop_end (&loop, 0, &body);
+
+ if (HONOR_NANS (DECL_MODE (limit)))
+ {
+ if (nonempty != NULL)
+ {
+ ifbody = build2_v (MODIFY_EXPR, pos, gfc_index_one_node);
+ tmp = build3_v (COND_EXPR, nonempty, ifbody,
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&loop.code[0], tmp);
+ }
+ }
+
+ gfc_add_expr_to_block (&loop.code[0], build1_v (GOTO_EXPR, lab2));
+ gfc_add_expr_to_block (&loop.code[0], build1_v (LABEL_EXPR, lab1));
+ gfc_start_block (&body);
+
+ /* If we have a mask, only check this element if the mask is set. */
+ if (maskss)
+ {
+ gfc_init_se (&maskse, NULL);
+ gfc_copy_loopinfo_to_se (&maskse, &loop);
+ maskse.ss = maskss;
+ gfc_conv_expr_val (&maskse, maskexpr);
+ gfc_add_block_to_block (&body, &maskse.pre);
+
+ gfc_start_block (&block);
+ }
+ else
+ gfc_init_block (&block);
+
+ /* Compare with the current limit. */
+ gfc_init_se (&arrayse, NULL);
+ gfc_copy_loopinfo_to_se (&arrayse, &loop);
+ arrayse.ss = arrayss;
+ gfc_conv_expr_val (&arrayse, arrayexpr);
+ gfc_add_block_to_block (&block, &arrayse.pre);
+
+ /* We do the following if this is a more extreme value. */
+ gfc_start_block (&ifblock);
+
+ /* Assign the value to the limit... */
+ gfc_add_modify (&ifblock, limit, arrayse.expr);
+
+ /* Remember where we are. An offset must be added to the loop
+ counter to obtain the required position. */
+ if (loop.from[0])
+ tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
+ gfc_index_one_node, loop.from[0]);
+ else
+ tmp = gfc_index_one_node;
+
+ gfc_add_modify (&block, offset, tmp);
+
+ tmp = fold_build2 (PLUS_EXPR, TREE_TYPE (pos),
+ loop.loopvar[0], offset);
+ gfc_add_modify (&ifblock, pos, tmp);
+
+ ifbody = gfc_finish_block (&ifblock);
+
+ cond = fold_build2 (op, boolean_type_node, arrayse.expr, limit);
+
+ tmp = build3_v (COND_EXPR, cond, ifbody,
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+
+ if (maskss)
+ {
+ /* We enclose the above in if (mask) {...}. */
+ tmp = gfc_finish_block (&block);
+
+ tmp = build3_v (COND_EXPR, maskse.expr, tmp,
+ build_empty_stmt (input_location));
+ }
+ else
+ tmp = gfc_finish_block (&block);
+ gfc_add_expr_to_block (&body, tmp);
+ /* Avoid initializing loopvar[0] again, it should be left where
+ it finished by the first loop. */
+ loop.from[0] = loop.loopvar[0];
+ }
+
gfc_trans_scalarizing_loops (&loop, &body);
+ if (lab2)
+ gfc_add_expr_to_block (&loop.pre, build1_v (LABEL_EXPR, lab2));
+
/* For a scalar mask, enclose the loop in an if statement. */
if (maskexpr && maskss == NULL)
{
se->expr = convert (type, pos);
}
+/* Emit code for minval or maxval intrinsic. There are many different cases
+ we need to handle. For performance reasons we sometimes create two
+ loops instead of one, where the second one is much simpler.
+ Examples for minval intrinsic:
+ 1) Result is an array, a call is generated
+ 2) Array mask is used and NaNs need to be supported, rank 1:
+ limit = Infinity;
+ nonempty = false;
+ S = from;
+ while (S <= to) {
+ if (mask[S]) { nonempty = true; if (a[S] <= limit) goto lab; }
+ S++;
+ }
+ limit = nonempty ? NaN : huge (limit);
+ lab:
+ while (S <= to) { if(mask[S]) limit = min (a[S], limit); S++; }
+ 3) NaNs need to be supported, but it is known at compile time or cheaply
+ at runtime whether array is nonempty or not, rank 1:
+ limit = Infinity;
+ S = from;
+ while (S <= to) { if (a[S] <= limit) goto lab; S++; }
+ limit = (from <= to) ? NaN : huge (limit);
+ lab:
+ while (S <= to) { limit = min (a[S], limit); S++; }
+ 4) Array mask is used and NaNs need to be supported, rank > 1:
+ limit = Infinity;
+ nonempty = false;
+ fast = false;
+ S1 = from1;
+ while (S1 <= to1) {
+ S2 = from2;
+ while (S2 <= to2) {
+ if (mask[S1][S2]) {
+ if (fast) limit = min (a[S1][S2], limit);
+ else {
+ nonempty = true;
+ if (a[S1][S2] <= limit) {
+ limit = a[S1][S2];
+ fast = true;
+ }
+ }
+ }
+ S2++;
+ }
+ S1++;
+ }
+ if (!fast)
+ limit = nonempty ? NaN : huge (limit);
+ 5) NaNs need to be supported, but it is known at compile time or cheaply
+ at runtime whether array is nonempty or not, rank > 1:
+ limit = Infinity;
+ fast = false;
+ S1 = from1;
+ while (S1 <= to1) {
+ S2 = from2;
+ while (S2 <= to2) {
+ if (fast) limit = min (a[S1][S2], limit);
+ else {
+ if (a[S1][S2] <= limit) {
+ limit = a[S1][S2];
+ fast = true;
+ }
+ }
+ S2++;
+ }
+ S1++;
+ }
+ if (!fast)
+ limit = (nonempty_array) ? NaN : huge (limit);
+ 6) NaNs aren't supported, but infinities are. Array mask is used:
+ limit = Infinity;
+ nonempty = false;
+ S = from;
+ while (S <= to) {
+ if (mask[S]) { nonempty = true; limit = min (a[S], limit); }
+ S++;
+ }
+ limit = nonempty ? limit : huge (limit);
+ 7) Same without array mask:
+ limit = Infinity;
+ S = from;
+ while (S <= to) { limit = min (a[S], limit); S++; }
+ limit = (from <= to) ? limit : huge (limit);
+ 8) Neither NaNs nor infinities are supported (-ffast-math or BT_INTEGER):
+ limit = huge (limit);
+ S = from;
+ while (S <= to) { limit = min (a[S], limit); S++); }
+ (or
+ while (S <= to) { if (mask[S]) limit = min (a[S], limit); S++; }
+ with array mask instead).
+ For 3), 5), 7) and 8), if mask is scalar, this all goes into a conditional,
+ setting limit = huge (limit); in the else branch. */
+
static void
gfc_conv_intrinsic_minmaxval (gfc_se * se, gfc_expr * expr, enum tree_code op)
{
tree type;
tree tmp;
tree ifbody;
+ tree nonempty;
+ tree nonempty_var;
+ tree lab;
+ tree fast;
+ tree huge_cst = NULL, nan_cst = NULL;
stmtblock_t body;
- stmtblock_t block;
+ stmtblock_t block, block2;
gfc_loopinfo loop;
gfc_actual_arglist *actual;
gfc_ss *arrayss;
switch (expr->ts.type)
{
case BT_REAL:
- tmp = gfc_conv_mpfr_to_tree (gfc_real_kinds[n].huge, expr->ts.kind, 0);
+ huge_cst = gfc_conv_mpfr_to_tree (gfc_real_kinds[n].huge,
+ expr->ts.kind, 0);
+ if (HONOR_INFINITIES (DECL_MODE (limit)))
+ {
+ REAL_VALUE_TYPE real;
+ real_inf (&real);
+ tmp = build_real (type, real);
+ }
+ else
+ tmp = huge_cst;
+ if (HONOR_NANS (DECL_MODE (limit)))
+ {
+ REAL_VALUE_TYPE real;
+ real_nan (&real, "", 1, DECL_MODE (limit));
+ nan_cst = build_real (type, real);
+ }
break;
case BT_INTEGER:
-HUGE for BT_REAL and (-HUGE - 1) for BT_INTEGER; the most positive
possible value is HUGE in both cases. */
if (op == GT_EXPR)
- tmp = fold_build1 (NEGATE_EXPR, TREE_TYPE (tmp), tmp);
+ {
+ tmp = fold_build1 (NEGATE_EXPR, TREE_TYPE (tmp), tmp);
+ if (huge_cst)
+ huge_cst = fold_build1 (NEGATE_EXPR, TREE_TYPE (huge_cst), huge_cst);
+ }
if (op == GT_EXPR && expr->ts.type == BT_INTEGER)
tmp = fold_build2 (MINUS_EXPR, TREE_TYPE (tmp),
actual = actual->next->next;
gcc_assert (actual);
maskexpr = actual->expr;
+ nonempty = NULL;
if (maskexpr && maskexpr->rank != 0)
{
maskss = gfc_walk_expr (maskexpr);
gcc_assert (maskss != gfc_ss_terminator);
}
else
- maskss = NULL;
+ {
+ mpz_t asize;
+ if (gfc_array_size (arrayexpr, &asize) == SUCCESS)
+ {
+ nonempty = gfc_conv_mpz_to_tree (asize, gfc_index_integer_kind);
+ mpz_clear (asize);
+ nonempty = fold_build2 (GT_EXPR, boolean_type_node, nonempty,
+ gfc_index_zero_node);
+ }
+ maskss = NULL;
+ }
/* Initialize the scalarizer. */
gfc_init_loopinfo (&loop);
gfc_conv_ss_startstride (&loop);
gfc_conv_loop_setup (&loop, &expr->where);
+ if (nonempty == NULL && maskss == NULL
+ && loop.dimen == 1 && loop.from[0] && loop.to[0])
+ nonempty = fold_build2 (LE_EXPR, boolean_type_node, loop.from[0],
+ loop.to[0]);
+ nonempty_var = NULL;
+ if (nonempty == NULL
+ && (HONOR_INFINITIES (DECL_MODE (limit))
+ || HONOR_NANS (DECL_MODE (limit))))
+ {
+ nonempty_var = gfc_create_var (boolean_type_node, "nonempty");
+ gfc_add_modify (&se->pre, nonempty_var, boolean_false_node);
+ nonempty = nonempty_var;
+ }
+ lab = NULL;
+ fast = NULL;
+ if (HONOR_NANS (DECL_MODE (limit)))
+ {
+ if (loop.dimen == 1)
+ {
+ lab = gfc_build_label_decl (NULL_TREE);
+ TREE_USED (lab) = 1;
+ }
+ else
+ {
+ fast = gfc_create_var (boolean_type_node, "fast");
+ gfc_add_modify (&se->pre, fast, boolean_false_node);
+ }
+ }
+
gfc_mark_ss_chain_used (arrayss, 1);
if (maskss)
gfc_mark_ss_chain_used (maskss, 1);
gfc_conv_expr_val (&arrayse, arrayexpr);
gfc_add_block_to_block (&block, &arrayse.pre);
- /* Assign the value to the limit... */
- ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
+ gfc_init_block (&block2);
+
+ if (nonempty_var)
+ gfc_add_modify (&block2, nonempty_var, boolean_true_node);
+
+ if (HONOR_NANS (DECL_MODE (limit)))
+ {
+ tmp = fold_build2 (op == GT_EXPR ? GE_EXPR : LE_EXPR,
+ boolean_type_node, arrayse.expr, limit);
+ if (lab)
+ ifbody = build1_v (GOTO_EXPR, lab);
+ else
+ {
+ stmtblock_t ifblock;
+
+ gfc_init_block (&ifblock);
+ gfc_add_modify (&ifblock, limit, arrayse.expr);
+ gfc_add_modify (&ifblock, fast, boolean_true_node);
+ ifbody = gfc_finish_block (&ifblock);
+ }
+ tmp = build3_v (COND_EXPR, tmp, ifbody,
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block2, tmp);
+ }
+ else
+ {
+ /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
+ signed zeros. */
+ if (HONOR_SIGNED_ZEROS (DECL_MODE (limit)))
+ {
+ tmp = fold_build2 (op, boolean_type_node, arrayse.expr, limit);
+ ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
+ tmp = build3_v (COND_EXPR, tmp, ifbody,
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block2, tmp);
+ }
+ else
+ {
+ tmp = fold_build2 (op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
+ type, arrayse.expr, limit);
+ gfc_add_modify (&block2, limit, tmp);
+ }
+ }
+
+ if (fast)
+ {
+ tree elsebody = gfc_finish_block (&block2);
+
+ /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
+ signed zeros. */
+ if (HONOR_NANS (DECL_MODE (limit))
+ || HONOR_SIGNED_ZEROS (DECL_MODE (limit)))
+ {
+ tmp = fold_build2 (op, boolean_type_node, arrayse.expr, limit);
+ ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
+ ifbody = build3_v (COND_EXPR, tmp, ifbody,
+ build_empty_stmt (input_location));
+ }
+ else
+ {
+ tmp = fold_build2 (op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
+ type, arrayse.expr, limit);
+ ifbody = build2_v (MODIFY_EXPR, limit, tmp);
+ }
+ tmp = build3_v (COND_EXPR, fast, ifbody, elsebody);
+ gfc_add_expr_to_block (&block, tmp);
+ }
+ else
+ gfc_add_block_to_block (&block, &block2);
- /* If it is a more extreme value. */
- tmp = fold_build2 (op, boolean_type_node, arrayse.expr, limit);
- tmp = build3_v (COND_EXPR, tmp, ifbody, build_empty_stmt (input_location));
- gfc_add_expr_to_block (&block, tmp);
gfc_add_block_to_block (&block, &arrayse.post);
tmp = gfc_finish_block (&block);
build_empty_stmt (input_location));
gfc_add_expr_to_block (&body, tmp);
+ if (lab)
+ {
+ gfc_trans_scalarized_loop_end (&loop, 0, &body);
+
+ tmp = fold_build3 (COND_EXPR, type, nonempty, nan_cst, huge_cst);
+ gfc_add_modify (&loop.code[0], limit, tmp);
+ gfc_add_expr_to_block (&loop.code[0], build1_v (LABEL_EXPR, lab));
+
+ gfc_start_block (&body);
+
+ /* If we have a mask, only add this element if the mask is set. */
+ if (maskss)
+ {
+ gfc_init_se (&maskse, NULL);
+ gfc_copy_loopinfo_to_se (&maskse, &loop);
+ maskse.ss = maskss;
+ gfc_conv_expr_val (&maskse, maskexpr);
+ gfc_add_block_to_block (&body, &maskse.pre);
+
+ gfc_start_block (&block);
+ }
+ else
+ gfc_init_block (&block);
+
+ /* Compare with the current limit. */
+ gfc_init_se (&arrayse, NULL);
+ gfc_copy_loopinfo_to_se (&arrayse, &loop);
+ arrayse.ss = arrayss;
+ gfc_conv_expr_val (&arrayse, arrayexpr);
+ gfc_add_block_to_block (&block, &arrayse.pre);
+
+ /* MIN_EXPR/MAX_EXPR has unspecified behavior with NaNs or
+ signed zeros. */
+ if (HONOR_NANS (DECL_MODE (limit))
+ || HONOR_SIGNED_ZEROS (DECL_MODE (limit)))
+ {
+ tmp = fold_build2 (op, boolean_type_node, arrayse.expr, limit);
+ ifbody = build2_v (MODIFY_EXPR, limit, arrayse.expr);
+ tmp = build3_v (COND_EXPR, tmp, ifbody,
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&block, tmp);
+ }
+ else
+ {
+ tmp = fold_build2 (op == GT_EXPR ? MAX_EXPR : MIN_EXPR,
+ type, arrayse.expr, limit);
+ gfc_add_modify (&block, limit, tmp);
+ }
+
+ gfc_add_block_to_block (&block, &arrayse.post);
+
+ tmp = gfc_finish_block (&block);
+ if (maskss)
+ /* We enclose the above in if (mask) {...}. */
+ tmp = build3_v (COND_EXPR, maskse.expr, tmp,
+ build_empty_stmt (input_location));
+ gfc_add_expr_to_block (&body, tmp);
+ /* Avoid initializing loopvar[0] again, it should be left where
+ it finished by the first loop. */
+ loop.from[0] = loop.loopvar[0];
+ }
gfc_trans_scalarizing_loops (&loop, &body);
+ if (fast)
+ {
+ tmp = fold_build3 (COND_EXPR, type, nonempty, nan_cst, huge_cst);
+ ifbody = build2_v (MODIFY_EXPR, limit, tmp);
+ tmp = build3_v (COND_EXPR, fast, build_empty_stmt (input_location),
+ ifbody);
+ gfc_add_expr_to_block (&loop.pre, tmp);
+ }
+ else if (HONOR_INFINITIES (DECL_MODE (limit)) && !lab)
+ {
+ tmp = fold_build3 (COND_EXPR, type, nonempty, limit, huge_cst);
+ gfc_add_modify (&loop.pre, limit, tmp);
+ }
+
/* For a scalar mask, enclose the loop in an if statement. */
if (maskexpr && maskss == NULL)
{
+ tree else_stmt;
+
gfc_init_se (&maskse, NULL);
gfc_conv_expr_val (&maskse, maskexpr);
gfc_init_block (&block);
gfc_add_block_to_block (&block, &loop.post);
tmp = gfc_finish_block (&block);
- tmp = build3_v (COND_EXPR, maskse.expr, tmp,
- build_empty_stmt (input_location));
+ if (HONOR_INFINITIES (DECL_MODE (limit)))
+ else_stmt = build2_v (MODIFY_EXPR, limit, huge_cst);
+ else
+ else_stmt = build_empty_stmt (input_location);
+ tmp = build3_v (COND_EXPR, maskse.expr, tmp, else_stmt);
gfc_add_expr_to_block (&block, tmp);
gfc_add_block_to_block (&se->pre, &block);
}
&& (sym->result == sym))
decl = gfc_get_fake_result_decl (sym, 0);
- len = sym->ts.cl->backend_decl;
+ len = sym->ts.u.cl->backend_decl;
gcc_assert (len);
break;
}
gfc_expr *arg;
gfc_ss *ss;
gfc_se argse;
- tree source;
tree source_bytes;
tree type;
tree tmp;
if (ss == gfc_ss_terminator)
{
gfc_conv_expr_reference (&argse, arg);
- source = argse.expr;
type = TREE_TYPE (build_fold_indirect_ref_loc (input_location,
argse.expr));
source_bytes = gfc_create_var (gfc_array_index_type, "bytes");
argse.want_pointer = 0;
gfc_conv_expr_descriptor (&argse, arg, ss);
- source = gfc_conv_descriptor_data_get (argse.expr);
type = gfc_get_element_type (TREE_TYPE (argse.expr));
/* Obtain the argument's word length. */
tree size_bytes;
tree upper;
tree lower;
- tree stride;
tree stmt;
gfc_actual_arglist *arg;
gfc_se argse;
tree idx;
idx = gfc_rank_cst[n];
gfc_add_modify (&argse.pre, source_bytes, tmp);
- stride = gfc_conv_descriptor_stride_get (argse.expr, idx);
lower = gfc_conv_descriptor_lbound_get (argse.expr, idx);
upper = gfc_conv_descriptor_ubound_get (argse.expr, idx);
tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
scalar_transfer:
extent = fold_build2 (MIN_EXPR, gfc_array_index_type,
dest_word_len, source_bytes);
+ extent = fold_build2 (MAX_EXPR, gfc_array_index_type,
+ extent, gfc_index_zero_node);
if (expr->ts.type == BT_CHARACTER)
{
gfc_init_se (&arg1se, NULL);
arg1 = expr->value.function.actual;
ss1 = gfc_walk_expr (arg1->expr);
- arg1se.descriptor_only = 1;
- gfc_conv_expr_descriptor (&arg1se, arg1->expr, ss1);
- tmp = gfc_conv_descriptor_data_get (arg1se.expr);
+ if (ss1 == gfc_ss_terminator)
+ {
+ /* Allocatable scalar. */
+ arg1se.want_pointer = 1;
+ if (arg1->expr->ts.type == BT_CLASS)
+ gfc_add_component_ref (arg1->expr, "$data");
+ gfc_conv_expr (&arg1se, arg1->expr);
+ tmp = arg1se.expr;
+ }
+ else
+ {
+ /* Allocatable array. */
+ arg1se.descriptor_only = 1;
+ gfc_conv_expr_descriptor (&arg1se, arg1->expr, ss1);
+ tmp = gfc_conv_descriptor_data_get (arg1se.expr);
+ }
+
tmp = fold_build2 (NE_EXPR, boolean_type_node,
tmp, fold_convert (TREE_TYPE (tmp), null_pointer_node));
se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
gfc_init_se (&arg1se, NULL);
gfc_init_se (&arg2se, NULL);
arg1 = expr->value.function.actual;
+ if (arg1->expr->ts.type == BT_CLASS)
+ gfc_add_component_ref (arg1->expr, "$data");
arg2 = arg1->next;
ss1 = gfc_walk_expr (arg1->expr);
nonzero_charlen = NULL_TREE;
if (arg1->expr->ts.type == BT_CHARACTER)
nonzero_charlen = fold_build2 (NE_EXPR, boolean_type_node,
- arg1->expr->ts.cl->backend_decl,
+ arg1->expr->ts.u.cl->backend_decl,
integer_zero_node);
if (ss1 == gfc_ss_terminator)
}
+/* Generate code for the SAME_TYPE_AS intrinsic.
+ Generate inline code that directly checks the vindices. */
+
+static void
+gfc_conv_same_type_as (gfc_se *se, gfc_expr *expr)
+{
+ gfc_expr *a, *b;
+ gfc_se se1, se2;
+ tree tmp;
+
+ gfc_init_se (&se1, NULL);
+ gfc_init_se (&se2, NULL);
+
+ a = expr->value.function.actual->expr;
+ b = expr->value.function.actual->next->expr;
+
+ if (a->ts.type == BT_CLASS)
+ {
+ gfc_add_component_ref (a, "$vptr");
+ gfc_add_component_ref (a, "$hash");
+ }
+ else if (a->ts.type == BT_DERIVED)
+ a = gfc_get_int_expr (gfc_default_integer_kind, NULL,
+ a->ts.u.derived->hash_value);
+
+ if (b->ts.type == BT_CLASS)
+ {
+ gfc_add_component_ref (b, "$vptr");
+ gfc_add_component_ref (b, "$hash");
+ }
+ else if (b->ts.type == BT_DERIVED)
+ b = gfc_get_int_expr (gfc_default_integer_kind, NULL,
+ b->ts.u.derived->hash_value);
+
+ gfc_conv_expr (&se1, a);
+ gfc_conv_expr (&se2, b);
+
+ tmp = fold_build2 (EQ_EXPR, boolean_type_node,
+ se1.expr, fold_convert (TREE_TYPE (se1.expr), se2.expr));
+ se->expr = convert (gfc_typenode_for_spec (&expr->ts), tmp);
+}
+
+
/* Generate code for SELECTED_CHAR_KIND (NAME) intrinsic function. */
static void
dlen = fold_build2 (MULT_EXPR, gfc_charlen_type_node,
fold_convert (gfc_charlen_type_node, slen),
fold_convert (gfc_charlen_type_node, ncopies));
- type = gfc_get_character_type (expr->ts.kind, expr->ts.cl);
+ type = gfc_get_character_type (expr->ts.kind, expr->ts.u.cl);
dest = gfc_conv_string_tmp (se, build_pointer_type (type), dlen);
/* Generate the code to do the repeat operation:
if (ss == gfc_ss_terminator)
gfc_conv_expr_reference (se, arg_expr);
else
- gfc_conv_array_parameter (se, arg_expr, ss, 1, NULL, NULL, NULL);
+ gfc_conv_array_parameter (se, arg_expr, ss, true, NULL, NULL, NULL);
se->expr= convert (gfc_get_int_type (gfc_index_integer_kind), se->expr);
/* Create a temporary variable for loc return value. Without this,
void
gfc_conv_intrinsic_function (gfc_se * se, gfc_expr * expr)
{
- gfc_intrinsic_sym *isym;
const char *name;
int lib, kind;
tree fndecl;
- isym = expr->value.function.isym;
-
name = &expr->value.function.name[2];
if (expr->rank > 0 && !expr->inline_noncopying_intrinsic)
gfc_conv_associated(se, expr);
break;
+ case GFC_ISYM_SAME_TYPE_AS:
+ gfc_conv_same_type_as (se, expr);
+ break;
+
case GFC_ISYM_ABS:
gfc_conv_intrinsic_abs (se, expr);
break;
case GFC_ISYM_CHMOD:
case GFC_ISYM_DTIME:
case GFC_ISYM_ETIME:
+ case GFC_ISYM_EXTENDS_TYPE_OF:
case GFC_ISYM_FGET:
case GFC_ISYM_FGETC:
case GFC_ISYM_FNUM:
OSDN Git Service
