From 4796d4337cd9bdae576898023631230e4acfbe90 Mon Sep 17 00:00:00 2001 From: krebbel Date: Fri, 18 Mar 2011 17:32:29 +0000 Subject: [PATCH] 2011-03-18 Andreas Krebbel * config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF unspecs. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171157 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/config/s390/s390.c | 17 +++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 519ba5d..4dda33c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2011-03-18 Andreas Krebbel + * config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF + unspecs. + +2011-03-18 Andreas Krebbel + * config/s390/s390.c (s390_chunkify_start): Prevent literal pool splitting between a call and its corresponding CALL_ARG_LOCATION note. diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index dcbd4ac..53083ae 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -5015,6 +5015,23 @@ s390_delegitimize_address (rtx orig_x) orig_x = delegitimize_mem_from_attrs (orig_x); x = orig_x; + + /* Extract the symbol ref from: + (plus:SI (reg:SI 12 %r12) + (const:SI (unspec:SI [(symbol_ref/f:SI ("*.LC0"))] + UNSPEC_GOTOFF))) */ + if (GET_CODE (x) == PLUS + && REG_P (XEXP (x, 0)) + && REGNO (XEXP (x, 0)) == PIC_OFFSET_TABLE_REGNUM + && GET_CODE (XEXP (x, 1)) == CONST) + { + /* The const operand. */ + y = XEXP (XEXP (x, 1), 0); + if (GET_CODE (y) == UNSPEC + && XINT (y, 1) == UNSPEC_GOTOFF) + return XVECEXP (y, 0, 0); + } + if (GET_CODE (x) != MEM) return orig_x; -- 2.7.4