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| author | Jim Wilson <wilson@gcc.gnu.org> | 1992-12-16 11:19:12 -0800 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1992-12-16 11:19:12 -0800 |
| commit | 8d618585fce328e1f7cf818aa8d16dae679161ca (patch) | |
| tree | 752af2f30aa95e4783a7a778c83b00a623d53588 /gcc/reload.c | |
| parent | c8c29f855dffe19d597187293ac21e87d249357f (diff) | |
| download | gcc-8d618585fce328e1f7cf818aa8d16dae679161ca.zip gcc-8d618585fce328e1f7cf818aa8d16dae679161ca.tar.gz gcc-8d618585fce328e1f7cf818aa8d16dae679161ca.tar.bz2 | |
(get_secondary_mem): Don't save address if it isn't valid.
From-SVN: r2886
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index d440eeb..f9b0a0c 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -431,7 +431,12 @@ get_secondary_mem (x, mode) if (! mem_valid) find_reloads_address (mode, NULL_PTR, XEXP (loc, 0), &XEXP (loc, 0), x, 0); - secondary_memlocs_elim[(int) mode] = loc; + /* If the address was not valid to begin with, we can not save it, because + there is no guarantee that the reloads needed to make it valid will + occur before every use of this address. */ + + else + secondary_memlocs_elim[(int) mode] = loc; return loc; } |