re PR regression/50999 (g++.dg/lto/20081109 execute -O2 -flto -flto-partition=1to1 -fno-use-linker-plugin)
2011-11-08 Richard Guenther <rguenther@suse.de> PR lto/50999 * lto-opts.c (append_to_collect_gcc_options): Split out from... (lto_write_options): ... here. Prepend frontend specific flags. From-SVN: r181160
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@ -1,3 +1,9 @@
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2011-11-08 Richard Guenther <rguenther@suse.de>
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PR lto/50999
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* lto-opts.c (append_to_collect_gcc_options): Split out from...
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(lto_write_options): ... here. Prepend frontend specific flags.
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2011-11-08 Jakub Jelinek <jakub@redhat.com>
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2011-11-08 Jakub Jelinek <jakub@redhat.com>
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* config/i386/sse.md (*avx_vperm2f128<mode>3_nozero): Emit mask
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* config/i386/sse.md (*avx_vperm2f128<mode>3_nozero): Emit mask
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@ -35,6 +35,29 @@ along with GCC; see the file COPYING3. If not see
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#include "lto-streamer.h"
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#include "lto-streamer.h"
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#include "toplev.h"
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#include "toplev.h"
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/* Append the option piece OPT to the COLLECT_GCC_OPTIONS string
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set up by OB, appropriately quoted and separated by spaces
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(if !*FIRST_P). */
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static void
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append_to_collect_gcc_options (struct obstack *ob,
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bool *first_p, const char *opt)
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{
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const char *p, *q = opt;
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if (!first_p)
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obstack_grow (ob, " ", 1);
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obstack_grow (ob, "'", 1);
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while ((p = strchr (q, '\'')))
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{
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obstack_grow (ob, q, p - q);
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obstack_grow (ob, "'\\''", 4);
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q = ++p;
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}
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obstack_grow (ob, q, strlen (q));
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obstack_grow (ob, "'", 1);
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*first_p = false;
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}
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/* Write currently held options to an LTO IL section. */
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/* Write currently held options to an LTO IL section. */
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void
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void
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@ -45,16 +68,30 @@ lto_write_options (void)
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struct obstack temporary_obstack;
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struct obstack temporary_obstack;
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unsigned int i, j;
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unsigned int i, j;
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char *args;
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char *args;
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bool first_p = true;
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section_name = lto_get_section_name (LTO_section_opts, NULL, NULL);
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section_name = lto_get_section_name (LTO_section_opts, NULL, NULL);
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lto_begin_section (section_name, false);
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lto_begin_section (section_name, false);
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memset (&stream, 0, sizeof (stream));
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memset (&stream, 0, sizeof (stream));
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obstack_init (&temporary_obstack);
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obstack_init (&temporary_obstack);
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/* Output options that affect GIMPLE IL semantics and are implicitely
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enabled by the frontend.
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This for now includes an explicit set of options that we also handle
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explicitly in lto-wrapper.c. In the end the effects on GIMPLE IL
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semantics should be explicitely encoded in the IL or saved per
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function rather than per compilation unit. */
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/* -fexceptions causes the EH machinery to be initialized, enabling
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generation of unwind data so that explicit throw() calls work. */
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if (global_options.x_flag_exceptions)
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append_to_collect_gcc_options (&temporary_obstack, &first_p,
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"-fexceptions");
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/* Output explicitely passed options. */
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for (i = 1; i < save_decoded_options_count; ++i)
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for (i = 1; i < save_decoded_options_count; ++i)
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{
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{
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struct cl_decoded_option *option = &save_decoded_options[i];
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struct cl_decoded_option *option = &save_decoded_options[i];
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const char *q, *p;
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/* Skip frontend and driver specific options here. */
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/* Skip frontend and driver specific options here. */
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if (!(cl_options[option->opt_index].flags & (CL_COMMON|CL_TARGET|CL_LTO)))
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if (!(cl_options[option->opt_index].flags & (CL_COMMON|CL_TARGET|CL_LTO)))
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@ -82,32 +119,9 @@ lto_write_options (void)
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break;
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break;
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}
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}
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if (i != 1)
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for (j = 0; j < option->canonical_option_num_elements; ++j)
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obstack_grow (&temporary_obstack, " ", 1);
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append_to_collect_gcc_options (&temporary_obstack, &first_p,
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obstack_grow (&temporary_obstack, "'", 1);
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option->canonical_option[j]);
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q = option->canonical_option[0];
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while ((p = strchr (q, '\'')))
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{
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obstack_grow (&temporary_obstack, q, p - q);
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obstack_grow (&temporary_obstack, "'\\''", 4);
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q = ++p;
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}
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obstack_grow (&temporary_obstack, q, strlen (q));
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obstack_grow (&temporary_obstack, "'", 1);
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for (j = 1; j < option->canonical_option_num_elements; ++j)
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{
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obstack_grow (&temporary_obstack, " '", 2);
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q = option->canonical_option[j];
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while ((p = strchr (q, '\'')))
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{
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obstack_grow (&temporary_obstack, q, p - q);
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obstack_grow (&temporary_obstack, "'\\''", 4);
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q = ++p;
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}
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obstack_grow (&temporary_obstack, q, strlen (q));
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obstack_grow (&temporary_obstack, "'", 1);
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}
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}
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}
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obstack_grow (&temporary_obstack, "\0", 1);
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obstack_grow (&temporary_obstack, "\0", 1);
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args = XOBFINISH (&temporary_obstack, char *);
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args = XOBFINISH (&temporary_obstack, char *);
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