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(incoming_regs): Only use 16 registers for parameter passing.
author
Richard Kenner
<kenner@gcc.gnu.org>
Mon, 4 Oct 1993 21:47:19 +0000
(17:47 -0400)
committer
Richard Kenner
<kenner@gcc.gnu.org>
Mon, 4 Oct 1993 21:47:19 +0000
(17:47 -0400)
From-SVN: r5591
gcc/config/a29k/a29k.c
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diff --git
a/gcc/config/a29k/a29k.c
b/gcc/config/a29k/a29k.c
index 7d6e9c0dd9178ca2602ff1b4cf0ba029dd9a3607..631176134af63fa4bd3768491fc0ea82e72cbb93 100644
(file)
--- a/
gcc/config/a29k/a29k.c
+++ b/
gcc/config/a29k/a29k.c
@@
-772,9
+772,14
@@
incoming_reg (start, count)
{
int i;
+ /* We only use 16 argument registers, so truncate at the end of the
+ area. */
+ if (start + count > 16)
+ count = 16 - start;
+
if (! TARGET_NO_REUSE_ARGS)
/* Mark all the used registers as not fixed and saved over calls. */
- for (i = R_AR (start); i < R_AR (
16) && i < R_AR (
start + count); i++)
+ for (i = R_AR (start); i < R_AR (start + count); i++)
{
fixed_regs[i] = call_used_regs[i] = call_fixed_regs[i] = 0;
CLEAR_HARD_REG_BIT (fixed_reg_set, i);