diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 30 | ||||
| -rw-r--r-- | gcc/config/d30v/d30v.h | 1 | ||||
| -rw-r--r-- | gcc/flow.c | 8 | ||||
| -rw-r--r-- | gcc/recog.c | 27 |
4 files changed, 46 insertions, 20 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1eb5798..5d8aecb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2002-04-12 Richard Henderson <rth@redhat.com> + + PR bootstrap/4191 + * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef. + + * flow.c (mark_used_reg): Manage reg_cond_dead properly for + modes spanning multiple hard regs. + + * recog.c (peephole2_optimize): Rebuild jump labels as needed. + 2002-04-11 John David Anglin <dave@hiauly1.hia.nrc.ca> * pa.c (pa_output_function_prologue): Don't accumulate the total @@ -85,7 +95,7 @@ * config/alpha/openbsd.h: Do not directly include alpha/alpha.h. * config/alpha/vms.h: Likewise. -2002-04-11 Richard Sandiford <rsand +2002-04-11 Richard Sandiford <rsandifo@redhat.com> * doc/extend.texi: Remove old claim that typedefs cannot have an alignment attribute. @@ -800,7 +810,7 @@ objc: * protoize.c: Match include directory usage with cppdefault.c. 2002-04-03 Jeffrey A Law (law@redhat.com) - Hans-Peter Nilsson <hp@bitrange.com> + Hans-Peter Nilsson <hp@bitrange.com> * combine.c (simplify_comparison): Avoid narrowing a comparison with a paradoxical subreg when doing so would drop signficant bits. @@ -878,7 +888,7 @@ Tue Apr 2 06:47:40 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> 2002-04-01 Vladimir Makarov <vmakarov@redhat.com> * config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON, - ASM_OUTPUT_ALIGNED_LOCAL): Redefine them. + ASM_OUTPUT_ALIGNED_LOCAL): Redefine them. 2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk> @@ -899,8 +909,8 @@ objc: 2002-04-01 Bob Wilson <bob.wilson@acm.org> - * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning - in previous change. + * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning + in previous change. 2002-04-01 Bob Wilson <bob.wilson@acm.org> @@ -1053,7 +1063,7 @@ Sun Mar 31 14:43:24 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * libgcc2.c (__bb_exit_func): Make static. - * config/alpha/alpha.md (trap): New. + * config/alpha/alpha.md (trap): New. 2002-03-31 Richard Henderson <rth@redhat.com> @@ -1081,11 +1091,11 @@ Sun Mar 31 14:43:24 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise. 2002-03-30 Roger Sayle <roger@eyesopen.com> - Richard Henderson <rth@redhat.com> + Richard Henderson <rth@redhat.com> - * regmove.c (combine_stack_adjustments_for_block): Avoid - emitting a stack adjustment of zero bytes. Let delete_insn - update bb->head. + * regmove.c (combine_stack_adjustments_for_block): Avoid + emitting a stack adjustment of zero bytes. Let delete_insn + update bb->head. 2002-03-30 Richard Henderson <rth@redhat.com> diff --git a/gcc/config/d30v/d30v.h b/gcc/config/d30v/d30v.h index 122e8b2..41eceb5 100644 --- a/gcc/config/d30v/d30v.h +++ b/gcc/config/d30v/d30v.h @@ -3357,7 +3357,6 @@ do { \ Defined in svr4.h. */ /* #define INIT_SECTION_ASM_OP */ -#undef INIT_SECTION_ASM_OP /* If defined, `main' will not call `__main' as described above. This macro should be defined for systems that control the contents of the init section @@ -3610,6 +3610,10 @@ mark_used_reg (pbi, reg, cond, insn) /* Mark the register as being live. */ for (i = regno_first; i <= regno_last; ++i) { +#ifdef HAVE_conditional_execution + int this_was_live = REGNO_REG_SET_P (pbi->reg_live, i); +#endif + SET_REGNO_REG_SET (pbi->reg_live, i); #ifdef HAVE_conditional_execution @@ -3621,7 +3625,7 @@ mark_used_reg (pbi, reg, cond, insn) struct reg_cond_life_info *rcli; rtx ncond; - if (some_was_live) + if (this_was_live) { node = splay_tree_lookup (pbi->reg_cond_dead, i); if (node == NULL) @@ -3663,7 +3667,7 @@ mark_used_reg (pbi, reg, cond, insn) SET_REGNO_REG_SET (pbi->reg_cond_reg, REGNO (XEXP (cond, 0))); } } - else if (some_was_live) + else if (this_was_live) { /* The register may have been conditionally live previously, but is now unconditionally live. Remove it from the conditionally diff --git a/gcc/recog.c b/gcc/recog.c index 3289f6e..7987d20 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -3003,6 +3003,7 @@ peephole2_optimize (dump_file) bool changed; #endif bool do_cleanup_cfg = false; + bool do_rebuild_jump_labels = false; /* Initialize the regsets we're going to use. */ for (i = 0; i < MAX_INSNS_PER_PEEP2 + 1; ++i) @@ -3045,7 +3046,7 @@ peephole2_optimize (dump_file) prev = PREV_INSN (insn); if (INSN_P (insn)) { - rtx try, before_try; + rtx try, before_try, x; int match_len; rtx note; @@ -3139,7 +3140,6 @@ peephole2_optimize (dump_file) /* Re-insert the EH_REGION notes. */ if (note) { - rtx x; edge eh_edge; for (eh_edge = bb->succ; eh_edge @@ -3209,25 +3209,35 @@ peephole2_optimize (dump_file) COPY_REG_SET (live, peep2_insn_data[i].live_before); /* Update life information for the new sequence. */ + x = try; do { - if (INSN_P (try)) + if (INSN_P (x)) { if (--i < 0) i = MAX_INSNS_PER_PEEP2; - peep2_insn_data[i].insn = try; - propagate_one_insn (pbi, try); + peep2_insn_data[i].insn = x; + propagate_one_insn (pbi, x); COPY_REG_SET (peep2_insn_data[i].live_before, live); } - try = PREV_INSN (try); + x = PREV_INSN (x); } - while (try != prev); + while (x != prev); /* ??? Should verify that LIVE now matches what we had before the new sequence. */ peep2_current = i; #endif + + /* If we generated a jump instruction, it won't have + JUMP_LABEL set. Recompute after we're done. */ + for (x = try; x != before_try; x = PREV_INSN (x)) + if (GET_CODE (x) == JUMP_INSN) + { + do_rebuild_jump_labels = true; + break; + } } } @@ -3242,6 +3252,9 @@ peephole2_optimize (dump_file) FREE_REG_SET (peep2_insn_data[i].live_before); FREE_REG_SET (live); + if (do_rebuild_jump_labels) + rebuild_jump_labels (get_insns ()); + /* If we eliminated EH edges, we may be able to merge blocks. Further, we've changed global life since exception handlers are no longer reachable. */ |