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| author | Christophe Lyon <christophe.lyon@linaro.org> | 2015-08-04 13:24:26 +0000 |
|---|---|---|
| committer | Christophe Lyon <clyon@gcc.gnu.org> | 2015-08-04 15:24:26 +0200 |
| commit | 69b23ad67f594ad866b833c827bec1f5f5cdce8d (patch) | |
| tree | e008138c80afd79a9bac0eb80be9e6eceb87d2e5 /gcc | |
| parent | c56df3e9242a222ecf82590cda160757e6bd18cf (diff) | |
| download | gcc-69b23ad67f594ad866b833c827bec1f5f5cdce8d.zip gcc-69b23ad67f594ad866b833c827bec1f5f5cdce8d.tar.gz gcc-69b23ad67f594ad866b833c827bec1f5f5cdce8d.tar.bz2 | |
neon.md (neon_vget_lanev2di): Handle big-endian targets.
2015-08-04 Christophe Lyon <christophe.lyon@linaro.org>
* config/arm/neon.md (neon_vget_lanev2di): Handle big-endian
targets.
From-SVN: r226574
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/neon.md | 17 |
2 files changed, 21 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 41ccf74..49751a7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-08-04 Christophe Lyon <christophe.lyon@linaro.org> + + * config/arm/neon.md (neon_vget_lanev2di): Handle big-endian + targets. + 2015-08-04 Nathan Sidwell <nathan@codesourcery.com> * config/nvptx/nvptx.h (struct nvptx_pseudo_info): Delete. diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md index 4af74ce..b1bf26a 100644 --- a/gcc/config/arm/neon.md +++ b/gcc/config/arm/neon.md @@ -2731,7 +2731,22 @@ (match_operand:SI 2 "immediate_operand" "")] "TARGET_NEON" { - int lane = INTVAL (operands[2]); + int lane; + +if (BYTES_BIG_ENDIAN) + { + /* The intrinsics are defined in terms of a model where the + element ordering in memory is vldm order, whereas the generic + RTL is defined in terms of a model where the element ordering + in memory is array order. Convert the lane number to conform + to this model. */ + unsigned int elt = INTVAL (operands[2]); + unsigned int reg_nelts = 2; + elt ^= reg_nelts - 1; + operands[2] = GEN_INT (elt); + } + + lane = INTVAL (operands[2]); gcc_assert ((lane ==0) || (lane == 1)); emit_move_insn (operands[0], lane == 0 ? gen_lowpart (DImode, operands[1]) |