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| author | Bill Schmidt <wschmidt@vnet.linux.ibm.com> | 2013-11-03 00:06:43 +0000 |
|---|---|---|
| committer | William Schmidt <wschmidt@gcc.gnu.org> | 2013-11-03 00:06:43 +0000 |
| commit | 93895581f9c8c8591cdbd7152756a63d330736b9 (patch) | |
| tree | ff27b507885bcca6798eb4678c618877d8f6c82d /gcc | |
| parent | 65e95828e500cb1b2a5080bbdd8f787d060154ed (diff) | |
| download | gcc-93895581f9c8c8591cdbd7152756a63d330736b9.zip gcc-93895581f9c8c8591cdbd7152756a63d330736b9.tar.gz gcc-93895581f9c8c8591cdbd7152756a63d330736b9.tar.bz2 | |
rs6000.c (rs6000_expand_vector_set): Adjust for little endian.
gcc:
2013-11-02 Bill Schmidt <wschmidt@vnet.linux.ibm.com>
* config/rs6000/rs6000.c (rs6000_expand_vector_set): Adjust for
little endian.
gcc/testsuite:
2013-11-02 Bill Schmidt <wschmidt@vnet.linux.ibm.com>
* gcc.dg/vmx/vec-set.c: New.
From-SVN: r204321
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 25 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vmx/vec-set.c | 14 |
4 files changed, 44 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2399a61..cf54baf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-11-02 Bill Schmidt <wschmidt@vnet.linux.ibm.com> + + * config/rs6000/rs6000.c (rs6000_expand_vector_set): Adjust for + little endian. + 2013-11-02 Uros Bizjak <ubizjak@gmail.com> * config/i386/constraints.md (Ts, Tv): New address constrains. diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 1006eec..31871b4 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -5529,10 +5529,27 @@ rs6000_expand_vector_set (rtx target, rtx val, int elt) XVECEXP (mask, 0, elt*width + i) = GEN_INT (i + 0x10); x = gen_rtx_CONST_VECTOR (V16QImode, XVEC (mask, 0)); - x = gen_rtx_UNSPEC (mode, - gen_rtvec (3, target, reg, - force_reg (V16QImode, x)), - UNSPEC_VPERM); + + if (BYTES_BIG_ENDIAN) + x = gen_rtx_UNSPEC (mode, + gen_rtvec (3, target, reg, + force_reg (V16QImode, x)), + UNSPEC_VPERM); + else + { + /* Invert selector. */ + rtx splat = gen_rtx_VEC_DUPLICATE (V16QImode, + gen_rtx_CONST_INT (QImode, -1)); + rtx tmp = gen_reg_rtx (V16QImode); + emit_move_insn (tmp, splat); + x = gen_rtx_MINUS (V16QImode, tmp, force_reg (V16QImode, x)); + emit_move_insn (tmp, x); + + /* Permute with operands reversed and adjusted selector. */ + x = gen_rtx_UNSPEC (mode, gen_rtvec (3, reg, target, tmp), + UNSPEC_VPERM); + } + emit_insn (gen_rtx_SET (VOIDmode, target, x)); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1abd7c1..e0dad49 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2013-11-02 Bill Schmidt <wschmidt@vnet.linux.ibm.com> + + * gcc.dg/vmx/vec-set.c: New. + 2013-11-02 Paolo Carlini <paolo.carlini@oracle.com> PR c++/29234 diff --git a/gcc/testsuite/gcc.dg/vmx/vec-set.c b/gcc/testsuite/gcc.dg/vmx/vec-set.c new file mode 100644 index 0000000..fa11c47 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vmx/vec-set.c @@ -0,0 +1,14 @@ +#include "harness.h" + +vector short +vec_set (short m) +{ + return (vector short){m, 0, 0, 0, 0, 0, 0, 0}; +} + +static void test() +{ + check (vec_all_eq (vec_set (7), + ((vector short){7, 0, 0, 0, 0, 0, 0, 0})), + "vec_set"); +} |