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| author | Zack Weinberg <zack@gcc.gnu.org> | 2000-02-01 23:51:38 +0000 |
|---|---|---|
| committer | Zack Weinberg <zack@gcc.gnu.org> | 2000-02-01 23:51:38 +0000 |
| commit | 78a0d70cdf5502320158d1a3ff41f5bdcadabdb0 (patch) | |
| tree | 5baaef8b878781ee490f5410e86c28c9499bd88f /gcc/unroll.c | |
| parent | f232183759f43faadb2a392c6e03aaacd2172371 (diff) | |
| download | gcc-78a0d70cdf5502320158d1a3ff41f5bdcadabdb0.zip gcc-78a0d70cdf5502320158d1a3ff41f5bdcadabdb0.tar.gz gcc-78a0d70cdf5502320158d1a3ff41f5bdcadabdb0.tar.bz2 | |
frame.c (find_fde): Convert for loop to do-while so compiler sees it's always executed at least once.
* frame.c (find_fde): Convert for loop to do-while so compiler
sees it's always executed at least once.
* libgcc2.c (BBINBUFSIZE): Kill.
(__bb_init_prg): Use fgets.
(__bb_exit_trace_func): Don't paste strings.
* unroll.c (unroll_loop): Initialize unroll_type, not
unroll_number, and tweak logic to match.
* i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
all failure paths.
(ix86_flags_dependant): Likewise. Disentangle control flow.
(ix86_sched_reorder): Break guts out to
ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
(ix86_sched_reorder_ppro): Initialize pair2 and insnp before
any possible use.
* i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
use string concatenation. Don't save and restore esi.
* fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
(machname.h): Remove script to separate file. Use two-step
sequence so target is not created if script fails.
* fixinc/gen-machname.h: New file. Handle case where no non-reserved
identifiers are defined.
* fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
an empty string, machine_name doesn't need to do anything at
all.
(is_cxx_header): Add more cases to regexp.
* fixinc/fixlib.h: Update prototype.
* fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
mn_get_regexps.
* fixinc/fixincl.c: Define NO_BOGOSITY.
* fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
(hp_sysfile): Add missing comma.
(math_exception): Put the wrapper ifdefs at the beginning and
the end of the file.
* fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
From-SVN: r31744
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 7f3658e..780a7bd 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -234,7 +234,7 @@ unroll_loop (loop, insn_count, end_insert_before, strength_reduce_p) { int i, j; unsigned HOST_WIDE_INT temp; - int unroll_number = 1; + int unroll_number; rtx copy_start, copy_end; rtx insn, sequence, pattern, tem; int max_labelno, max_insnno; @@ -248,7 +248,7 @@ unroll_loop (loop, insn_count, end_insert_before, strength_reduce_p) rtx start_label; struct iv_class *bl; int splitting_not_safe = 0; - enum unroll_types unroll_type; + enum unroll_types unroll_type = UNROLL_NAIVE; int loop_preconditioned = 0; rtx safety_label; /* This points to the last real insn in the loop, which should be either @@ -437,7 +437,7 @@ unroll_loop (loop, insn_count, end_insert_before, strength_reduce_p) /* Default case, calculate number of times to unroll loop based on its size. */ - if (unroll_number == 1) + if (unroll_type == UNROLL_NAIVE) { if (8 * insn_count < MAX_UNROLLED_INSNS) unroll_number = 8; @@ -445,8 +445,6 @@ unroll_loop (loop, insn_count, end_insert_before, strength_reduce_p) unroll_number = 4; else unroll_number = 2; - - unroll_type = UNROLL_NAIVE; } /* Now we know how many times to unroll the loop. */ |