From ecf3151a7b05ef0ce14104406aa3d98a2c0601ed Mon Sep 17 00:00:00 2001 From: Bernd Schmidt Date: Sun, 19 Dec 1999 17:39:15 +0000 Subject: [PATCH] Better spill failure messages. From-SVN: r31026 --- gcc/ChangeLog | 5 +++++ gcc/reload1.c | 17 ++++++++++++----- 2 files changed, 17 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index da4c9474d510..5432e5bdb3a9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +1999-12-19 Bernd Schmidt + + * reload1.c (spill_failure): Take class of failed reload as argument + and print it. Caller changed. + Sun Dec 19 07:50:42 1999 Richard Kenner * rs6000.h (SUBTARGET_DEFAULT): New macro. diff --git a/gcc/reload1.c b/gcc/reload1.c index dc690852a11d..2a6f9cc6ae99 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -375,7 +375,7 @@ static void find_reload_regs PROTO((struct insn_chain *, FILE *)); static void select_reload_regs PROTO((FILE *)); static void delete_caller_save_insns PROTO((void)); -static void spill_failure PROTO((rtx)); +static void spill_failure PROTO((rtx, enum reg_class)); static void count_spilled_pseudo PROTO((int, int, int)); static void delete_dead_insn PROTO((rtx)); static void alter_reg PROTO((int, int)); @@ -1720,7 +1720,7 @@ find_reload_regs (chain, dumpfile) && rld[r].regno == -1) if (! find_reg (chain, i, dumpfile)) { - spill_failure (chain->insn); + spill_failure (chain->insn, rld[r].class); failure = 1; return; } @@ -1787,13 +1787,20 @@ delete_caller_save_insns () INSN should be one of the insns which needed this particular spill reg. */ static void -spill_failure (insn) +spill_failure (insn, class) rtx insn; + enum reg_class class; { + static const char *const reg_class_names[] = REG_CLASS_NAMES; if (asm_noperands (PATTERN (insn)) >= 0) - error_for_asm (insn, "`asm' needs too many reloads"); + error_for_asm (insn, "Can't find a register in class `%s' while reloading `asm'.", + reg_class_names[class]); else - fatal_insn ("Unable to find a register to spill.", insn); + { + error ("Unable to find a register to spill in class `%s'.", + reg_class_names[class]); + fatal_insn ("This is the insn:", insn); + } } /* Delete an unneeded INSN and any previous insns who sole purpose is loading -- 2.43.5