diff options
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/cfg.c | 44 | ||||
| -rw-r--r-- | gcc/config/i386/att.h | 2 | ||||
| -rw-r--r-- | gcc/config/i386/bsd.h | 1 | ||||
| -rw-r--r-- | gcc/config/i386/sco5.h | 3 | ||||
| -rw-r--r-- | gcc/config/i386/sun386.h | 2 |
6 files changed, 52 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index de74d35399e..cbf0c5d07ae 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +Wed Oct 17 00:21:31 CEST 2001 Jan Hubicka <jh@suse.cz> + + * cfg.c (free_edge): Break out from .... + (remove_edge): ... here. + (clear_edges): Use free_edge. + + * att.h (ASM_QUAD): Add comment. + * bsd.h, sco5.h, sun386.h (ASM_QUAD): Define. + Wed Oct 17 00:01:02 CEST 2001 Jan Hubicka <jh@suse.cz> * i386.c (split_ti): New function. diff --git a/gcc/cfg.c b/gcc/cfg.c index d8d8c992b7d..a72067342f2 100644 --- a/gcc/cfg.c +++ b/gcc/cfg.c @@ -117,6 +117,7 @@ struct basic_block_def entry_exit_blocks[2] }; void debug_flow_info PARAMS ((void)); +static void free_edge PARAMS ((edge)); /* Called once at intialization time. */ @@ -142,23 +143,53 @@ init_flow () } } +/* Helper function for remove_edge and clear_edges. Frees edge structure + without actually unlinking it from the pred/succ lists. */ + +static void +free_edge (e) + edge e; +{ + n_edges--; + memset (e, 0, sizeof (*e)); + e->succ_next = first_deleted_edge; + first_deleted_edge = e; +} + /* Free the memory associated with the edge structures. */ void clear_edges () { int i; + edge e; for (i = 0; i < n_basic_blocks; ++i) { basic_block bb = BASIC_BLOCK (i); + edge e = bb->succ; - while (bb->succ) - remove_edge (bb->succ); + while (e) + { + edge next = e->succ_next; + + free_edge (e); + e = next; + } + bb->succ = NULL; + bb->pred = NULL; } - while (ENTRY_BLOCK_PTR->succ) - remove_edge (ENTRY_BLOCK_PTR->succ); + e = ENTRY_BLOCK_PTR->succ; + while (e) + { + edge next = e->succ_next; + + free_edge (e); + e = next; + } + EXIT_BLOCK_PTR->pred = NULL; + ENTRY_BLOCK_PTR->succ = NULL; if (n_edges) abort (); @@ -335,10 +366,7 @@ remove_edge (e) else dest->pred = e->pred_next; - n_edges--; - memset (e, 0, sizeof (*e)); - e->succ_next = first_deleted_edge; - first_deleted_edge = e; + free_edge (e); } /* Redirect an edge's successor from one block to another. */ diff --git a/gcc/config/i386/att.h b/gcc/config/i386/att.h index 8f2a1ebb50d..7e8f7b57c5f 100644 --- a/gcc/config/i386/att.h +++ b/gcc/config/i386/att.h @@ -32,7 +32,7 @@ Boston, MA 02111-1307, USA. */ #define ASM_SHORT "\t.value\t" #define ASM_LONG "\t.long\t" -#define ASM_QUAD "\t.quad\t" +#define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */ /* How to output an ASCII string constant. */ diff --git a/gcc/config/i386/bsd.h b/gcc/config/i386/bsd.h index 82b141130f9..cf1b35b65d9 100644 --- a/gcc/config/i386/bsd.h +++ b/gcc/config/i386/bsd.h @@ -43,6 +43,7 @@ Boston, MA 02111-1307, USA. */ #define ASM_BYTE_OP "\t.byte\t" #define ASM_SHORT "\t.word\t" #define ASM_LONG "\t.long\t" +#define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */ /* Output at beginning of assembler file. ??? I am skeptical of this -- RMS. */ diff --git a/gcc/config/i386/sco5.h b/gcc/config/i386/sco5.h index 56bc2879e6c..16d5fcf2a45 100644 --- a/gcc/config/i386/sco5.h +++ b/gcc/config/i386/sco5.h @@ -59,6 +59,9 @@ Boston, MA 02111-1307, USA. */ #undef ASM_LONG #define ASM_LONG "\t.long\t" +#undef ASM_QUAD +#define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */ + #undef TYPE_ASM_OP #define TYPE_ASM_OP "\t.type\t" diff --git a/gcc/config/i386/sun386.h b/gcc/config/i386/sun386.h index b28f20fd01a..8cc722710eb 100644 --- a/gcc/config/i386/sun386.h +++ b/gcc/config/i386/sun386.h @@ -36,6 +36,8 @@ Boston, MA 02111-1307, USA. */ #define ASM_BYTE_OP "\t.byte\t" #define ASM_SHORT "\t.value\t" #define ASM_LONG "\t.long\t" +#define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */ + /* How to output an ASCII string constant. */ |