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-rw-r--r--gcc/reload1.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c
index dc69085..2a6f9cc 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