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| author | Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | 2011-03-18 17:32:29 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2011-03-18 17:32:29 +0000 |
| commit | e101e12e593fdf3354221e5a02482238e9aad4a6 (patch) | |
| tree | bba15375b980e8e9304e02734d377d9eef36f629 /gcc | |
| parent | 4627c7fb2264f8c023865d4cd7b1abae9598ae11 (diff) | |
| download | gcc-e101e12e593fdf3354221e5a02482238e9aad4a6.zip gcc-e101e12e593fdf3354221e5a02482238e9aad4a6.tar.gz gcc-e101e12e593fdf3354221e5a02482238e9aad4a6.tar.bz2 | |
s390.c (s390_delegitimize_address): Handle GOTOFF unspecs.
2011-03-18 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF
unspecs.
From-SVN: r171157
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 17 |
2 files changed, 22 insertions, 0 deletions
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 <Andreas.Krebbel@de.ibm.com> + * config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF + unspecs. + +2011-03-18 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + * 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; |