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Author SHA1 Message Date
Richard Smith a50884abad Remove reliance on lax vector conversions from altivec.h in VSX mode. 
llvm-svn: 372061
 2019-09-17 03:56:26 +00:00
Jinsong Ji a71c199f82 [PowerPC][Altivec][Clang] Check compile-time constant for vec_dst* 
Summary:
This is follow up of https://reviews.llvm.org/D66699.
We might get ISEL ICE if we call vec_dss with non const 3rd arg.

```
Cannot select: intrinsic %llvm.ppc.altivec.dst
```

We should check the constraints in clang and generate better error
messages.

Reviewers: nemanjai, hfinkel, echristo, #powerpc, wuzish

Reviewed By: #powerpc, wuzish

Subscribers: wuzish, kbarton, MaskRay, shchenz, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D66748

llvm-svn: 370912
 2019-09-04 15:22:26 +00:00
Jinsong Ji 5309189d9b [PowerPC][Altivec] Fix constant argument for vec_dss 
Summary:
This is similar to vec_ct* in https://reviews.llvm.org/rL304205.

The argument must be a constant, otherwise instruction selection
will fail. always_inline is not enough for isel to always fold
everything away at -O0.

The fix is to turn the function into macros in altivec.h.

Fixes https://bugs.llvm.org/show_bug.cgi?id=43072

Reviewers: nemanjai, hfinkel, #powerpc, wuzish

Reviewed By: #powerpc, wuzish

Subscribers: wuzish, kbarton, MaskRay, shchenz, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D66699

llvm-svn: 370902
 2019-09-04 14:01:47 +00:00
QingShan Zhang accb65b994 [PowerPC] [Clang] Add vector int128 pack/unpack builtins 
unsigned long long builtin_unpack_vector_int128 (vector int128_t, int);
vector int128_t builtin_pack_vector_int128 (unsigned long long, unsigned long long);

Builtins should behave the same way as in GCC.

Patch By: wuzish (Zixuan Wu)
Differential Revision: https://reviews.llvm.org/D52074

llvm-svn: 342614
 2018-09-20 05:04:57 +00:00
Tony Jiang 9d24522f22 [PPC] Enhance altivec conversion function macros implementation. 
Add checking for the second parameter of altivec conversion builtin to make sure
it is compile-time constant int.

This patch fixes PR33212: PPC vec_cst useless at -O0
Differential Revision: https://reviews.llvm.org/D34092

llvm-svn: 305401
 2017-06-14 17:23:43 +00:00
Tony Jiang 9aa2c0383d [PowerPC] Implement vec_xxsldwi builtin. 
The vec_xxsldwi builtin is missing from altivec.h. This has been requested by
developers working on libvpx for VP9 support for Google.

The patch fixes PR: https://bugs.llvm.org/show_bug.cgi?id=32653
Differential Revision: https://reviews.llvm.org/D33236

llvm-svn: 303766
 2017-05-24 15:54:13 +00:00
Tony Jiang bbc48e9164 [PowerPC] Implement vec_xxpermdi builtin. 
The vec_xxpermdi builtin is missing from altivec.h. This has been requested by
developers working on libvpx for VP9 support for Google.

The patch fixes PR: https://bugs.llvm.org/show_bug.cgi?id=32653
Differential Revision: https://reviews.llvm.org/D33053

llvm-svn: 303760
 2017-05-24 15:13:32 +00:00
Eric Christopher 758aad76d8 Remove the -faltivec alias option and replace it with -maltivec everywhere. 
The alias was only ever used on darwin and had some issues there,
and isn't used in practice much. Also fixes a problem with -mno-altivec
not turning off -maltivec.

Also add a diagnostic for faltivec/fno-altivec that directs users to use
maltivec options and include the altivec.h file explicitly.

llvm-svn: 298449
 2017-03-21 22:06:18 +00:00
Sean Fertile 96d9e0ec05 Add vec_insert4b and vec_extract4b functions to altivec.h 
Add builtins for the functions and custom codegen mapping the builtins to their
corresponding intrinsics and handling the endian related swapping.

https://reviews.llvm.org/D26546

llvm-svn: 291179
 2017-01-05 21:43:30 +00:00