From 3b39dde8e3159fe1e286fa3e90fcdab33267cdee Mon Sep 17 00:00:00 2001 From: Jeffrey A Law Date: Mon, 6 Jul 1998 20:33:33 +0000 Subject: [PATCH] * Disable the following change from gcc2. Not appropriate for egcs: Sun Jun 7 09:30:31 1998 Richard Kenner * reload.c (find_reloads): Give preference to pseudo that was the reloaded output of previous insn. From-SVN: r20955 --- gcc/ChangeLog | 8 ++++++++ gcc/reload.c | 8 +++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cc0455c54dcd..62f27b04dabb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +Mon Jul 6 21:28:14 1998 Jeffrey A Law (law@cygnus.com) + + * Disable the following change from gcc2. Not appropriate for egcs: + + Sun Jun 7 09:30:31 1998 Richard Kenner + * reload.c (find_reloads): Give preference to pseudo that was the + reloaded output of previous insn. + Mon Jul 6 21:07:14 1998 Kaveh R. Ghazi * aclocal.m4 (GCC_FUNC_PRINTF_PTR): Don't define HOST_PTR_PRINTF. diff --git a/gcc/reload.c b/gcc/reload.c index c010943021b6..ab04ae3e3416 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -3222,14 +3222,20 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p) && this_alternative_matches[i] < 0) bad = 1; +#if 0 /* If this is a pseudo-register that is set in the previous insns, there's a good chance that it will already be in a spill register and we can use that spill register. So - make this case cheaper. */ + make this case cheaper. + + Disabled for egcs. egcs has better inheritance code and + this change causes problems with the improved reload + inheritance code. */ if (GET_CODE (operand) == REG && REGNO (operand) >= FIRST_PSEUDO_REGISTER && REGNO (operand) == last_output_reload_regno) reject--; +#endif /* If this is a constant that is reloaded into the desired class by copying it to memory first, count that as another -- 2.43.5