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sparc.c (tls_call_delay): Fix oversight.

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* config/sparc/sparc.c (tls_call_delay): Fix oversight.

From-SVN: r110790
This commit is contained in:
Eric Botcazou 2006-02-09 13:22:09 +01:00 committed by Eric Botcazou
parent dae7ec874f
commit e10fbf9639
2 changed files with 23 additions and 11 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (tls_call_delay): Fix oversight.
2006-02-08 Jason Merrill <jason@redhat.com>
PR c++/25979

30
gcc/config/sparc/sparc.c
View File

@ -2416,26 +2416,34 @@ empty_delay_slot (rtx insn)
int
tls_call_delay (rtx trial)
{
rtx pat, unspec;
rtx pat;
/* Binutils allows
call __tls_get_addr, %tgd_call (foo)
add %l7, %o0, %o0, %tgd_add (foo)
call __tls_get_addr, %tgd_call (foo)
add %l7, %o0, %o0, %tgd_add (foo)
while Sun as/ld does not. */
if (TARGET_GNU_TLS || !TARGET_TLS)
return 1;
pat = PATTERN (trial);
if (GET_CODE (pat) != SET || GET_CODE (SET_DEST (pat)) != PLUS)
return 1;
unspec = XEXP (SET_DEST (pat), 1);
if (GET_CODE (unspec) != UNSPEC
|| (XINT (unspec, 1) != UNSPEC_TLSGD
&& XINT (unspec, 1) != UNSPEC_TLSLDM))
return 1;
/* We must reject tgd_add{32|64}, i.e.
(set (reg) (plus (reg) (unspec [(reg) (symbol_ref)] UNSPEC_TLSGD)))
and tldm_add{32|64}, i.e.
(set (reg) (plus (reg) (unspec [(reg) (symbol_ref)] UNSPEC_TLSLDM)))
for Sun as/ld. */
if (GET_CODE (pat) == SET
&& GET_CODE (SET_SRC (pat)) == PLUS)
{
rtx unspec = XEXP (SET_SRC (pat), 1);
return 0;
if (GET_CODE (unspec) == UNSPEC
&& (XINT (unspec, 1) == UNSPEC_TLSGD
|| XINT (unspec, 1) == UNSPEC_TLSLDM))
return 0;
}
return 1;
}
/* Return nonzero if TRIAL, an insn, can be combined with a 'restore'