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| author | Monk Chiang <sh.chiang04@gmail.com> | 2018-03-11 07:48:48 +0000 |
|---|---|---|
| committer | Chung-Ju Wu <jasonwucj@gcc.gnu.org> | 2018-03-11 07:48:48 +0000 |
| commit | 3999578cc522eb57d65c00c9293ca88cfbd901c2 (patch) | |
| tree | 5284f2146018d62182694d1337d2f35d0c85d39c /gcc/config/nds32/nds32-intrinsic.c | |
| parent | d8c12d24bf07594e9ea37ca120b7385152497f98 (diff) | |
| download | gcc-3999578cc522eb57d65c00c9293ca88cfbd901c2.zip gcc-3999578cc522eb57d65c00c9293ca88cfbd901c2.tar.gz gcc-3999578cc522eb57d65c00c9293ca88cfbd901c2.tar.bz2 | |
[NDS32] Add intrinsic function for ffb, ffmism and flmism.
gcc/
* config/nds32/constants.md (unspec_element): Add UNSPEC_FFB,
UNSPEC_FFMISM and UNSPEC_FLMISM.
* config/nds32/nds32-intrinsic.c (bdesc_2arg): Add builtin description
for ffb, ffmism and flmism.
* config/nds32/nds32-intrinsic.md (unspec_ffb): Define new pattern.
(unspec_ffmism): Ditto.
(unspec_flmism): Ditto.
(nds32_expand_builtin_impl): Check if string extension is available.
* config/nds32/nds32.h (nds32_builtins): Add NDS32_BUILTIN_FFB,
NDS32_BUILTIN_FFMISM and NDS32_BUILTIN_FLMISM.
Co-Authored-By: Chung-Ju Wu <jasonwucj@gmail.com>
Co-Authored-By: Kito Cheng <kito.cheng@gmail.com>
From-SVN: r258424
Diffstat (limited to 'gcc/config/nds32/nds32-intrinsic.c')
| -rw-r--r-- | gcc/config/nds32/nds32-intrinsic.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/config/nds32/nds32-intrinsic.c b/gcc/config/nds32/nds32-intrinsic.c index bf51154..636b1d1 100644 --- a/gcc/config/nds32/nds32-intrinsic.c +++ b/gcc/config/nds32/nds32-intrinsic.c @@ -257,6 +257,9 @@ static struct builtin_description bdesc_1argimm[] = /* Intrinsics that take two arguments. */ static struct builtin_description bdesc_2arg[] = { + NDS32_BUILTIN(unspec_ffb, "ffb", FFB) + NDS32_BUILTIN(unspec_ffmism, "ffmsim", FFMISM) + NDS32_BUILTIN(unspec_flmism, "flmism", FLMISM) NDS32_NO_TARGET_BUILTIN(unspec_volatile_mtsr, "mtsr", MTSR) NDS32_NO_TARGET_BUILTIN(unspec_volatile_mtusr, "mtusr", MTUSR) NDS32_NO_TARGET_BUILTIN(unaligned_store_hw, "unaligned_store_hw", UASTORE_HW) @@ -277,6 +280,23 @@ nds32_expand_builtin_impl (tree exp, unsigned i; struct builtin_description *d; + switch (fcode) + { + /* String Extension */ + case NDS32_BUILTIN_FFB: + case NDS32_BUILTIN_FFMISM: + case NDS32_BUILTIN_FLMISM: + if (!TARGET_EXT_STRING) + { + error ("don't support string extension instructions"); + return NULL_RTX; + } + break; + + default: + break; + } + /* Since there are no result and operands, we can simply emit this rtx. */ switch (fcode) { |