From 5e93ca86989eddaedb7c6fac12168f1f9ca9786a Mon Sep 17 00:00:00 2001 From: Jeffrey A Law Date: Wed, 20 Jun 2001 14:44:04 +0000 Subject: [PATCH] ssa.c (rename_block): Update parameter to remove_phi_alternative * ssa.c (rename_block): Update parameter to remove_phi_alternative (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when re-running life analysis. From-SVN: r43473 --- gcc/ChangeLog | 6 ++++++ gcc/ssa.c | 6 +++--- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 92e5867c406..2a4c502e304 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com) + + * ssa.c (rename_block): Update parameter to remove_phi_alternative + (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when + re-running life analysis. + 2001-06-20 Stan Shebs * objc/objc-act.c (hash_init): Assume xmalloc always succeeds, diff --git a/gcc/ssa.c b/gcc/ssa.c index 79382aa7171..3bb1dff7b8e 100644 --- a/gcc/ssa.c +++ b/gcc/ssa.c @@ -1065,7 +1065,7 @@ rename_block (bb, idom) consider those edges. */ if (reg == NULL || reg == RENAME_NO_RTX) { - if (! remove_phi_alternative (phi, bb)) + if (! remove_phi_alternative (phi, b)) abort (); } else @@ -2153,8 +2153,8 @@ convert_from_ssa() any significant dead code at this point, except perhaps dead stores. So do not take the time to perform dead code elimination. - We also do not need death notes, so don't bother creating them. */ - life_analysis (insns, NULL, 0); + Register coalescing needs death notes, so generate them. */ + life_analysis (insns, NULL, PROP_DEATH_NOTES); /* Figure out which regs in copies and phi nodes don't conflict and therefore can be coalesced. */