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| author | Alan Modra <amodra@gmail.com> | 2011-04-29 08:58:56 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2011-04-29 08:58:56 +0930 |
| commit | 5d6358a57d44dbb7f07455124f463fcb8fab28fc (patch) | |
| tree | b327feacc699769b8c5ea296878a30467649e828 | |
| parent | 85ad2ef57fb2c016b0944e2d685e0c57a8018671 (diff) | |
| download | gcc-5d6358a57d44dbb7f07455124f463fcb8fab28fc.tar.gz | |
rs6000.c (rs6000_delegitimize_address): Handle unspec plus offset.
* config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
unspec plus offset. Tidy macho code.
From-SVN: r173141
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 15 |
2 files changed, 18 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 204cd0b2037..794c496a796 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-04-29 Alan Modra <amodra@gmail.com> + + * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle + unspec plus offset. Tidy macho code. + 2011-04-29 Martin Jambor <mjambor@suse.cz> * cgraphunit.c (cgraph_preserve_function_body_p): Accept a cgraph diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 41259630bf4..899699f8aa1 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -6380,7 +6380,16 @@ rs6000_delegitimize_address (rtx orig_x) if (GET_CODE (x) == (TARGET_CMODEL != CMODEL_SMALL ? LO_SUM : PLUS) && GET_CODE (XEXP (x, 1)) == CONST) { + rtx offset = NULL_RTX; + y = XEXP (XEXP (x, 1), 0); + if (GET_CODE (y) == PLUS + && GET_MODE (y) == Pmode + && CONST_INT_P (XEXP (y, 1))) + { + offset = XEXP (y, 1); + y = XEXP (y, 0); + } if (GET_CODE (y) == UNSPEC && XINT (y, 1) == UNSPEC_TOCREL && ((GET_CODE (XEXP (x, 0)) == REG @@ -6396,6 +6405,8 @@ rs6000_delegitimize_address (rtx orig_x) XEXP (XEXP (XEXP (x, 0), 1), 0))))) { y = XVECEXP (y, 0, 0); + if (offset != NULL_RTX) + y = gen_rtx_PLUS (Pmode, y, offset); if (!MEM_P (orig_x)) return y; else @@ -6405,9 +6416,9 @@ rs6000_delegitimize_address (rtx orig_x) if (TARGET_MACHO && GET_CODE (orig_x) == LO_SUM - && GET_CODE (XEXP (x, 1)) == CONST) + && GET_CODE (XEXP (orig_x, 1)) == CONST) { - y = XEXP (XEXP (x, 1), 0); + y = XEXP (XEXP (orig_x, 1), 0); if (GET_CODE (y) == UNSPEC && XINT (y, 1) == UNSPEC_MACHOPIC_OFFSET) return XVECEXP (y, 0, 0); |