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| author | Bernd Schmidt <bernd.schmidt@analog.com> | 2008-05-15 13:25:26 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2008-05-15 13:25:26 +0000 |
| commit | 8fa477f7d5f7ecfc1337351251531c695a900786 (patch) | |
| tree | 35c62be82cdb0b0781db89031ad59232ab3ed2f3 /gcc | |
| parent | 4e8c438fe7373ee4a2a223b9efe6fc3b4329dcb6 (diff) | |
| download | gcc-8fa477f7d5f7ecfc1337351251531c695a900786.zip gcc-8fa477f7d5f7ecfc1337351251531c695a900786.tar.gz gcc-8fa477f7d5f7ecfc1337351251531c695a900786.tar.bz2 | |
bfin.md (loadbytes): New pattern.
* config/bfin/bfin.md (loadbytes): New pattern.
* config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
(bfin_init_builtins): Initialize it.
(bdesc_1arg): Add it.
From-SVN: r135351
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/bfin/bfin.c | 15 | ||||
| -rw-r--r-- | gcc/config/bfin/bfin.md | 10 |
3 files changed, 31 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0e0912d..3135d2c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2008-05-15 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (loadbytes): New pattern. + * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES. + (bfin_init_builtins): Initialize it. + (bdesc_1arg): Add it. + 2008-05-15 Sa Liu <saliu@de.ibm.com> * testsuite/gfortran.dg/c_kind_int128_test1.f03: New. diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c index f48ab0f..933b12b 100644 --- a/gcc/config/bfin/bfin.c +++ b/gcc/config/bfin/bfin.c @@ -5228,6 +5228,8 @@ enum bfin_builtins BFIN_BUILTIN_CPLX_SQU, + BFIN_BUILTIN_LOADBYTES, + BFIN_BUILTIN_MAX }; @@ -5282,7 +5284,11 @@ bfin_init_builtins (void) tree short_ftype_v2hi = build_function_type_list (short_integer_type_node, V2HI_type_node, NULL_TREE); - + tree int_ftype_pint + = build_function_type_list (integer_type_node, + build_pointer_type (integer_type_node), + NULL_TREE); + /* Add the remaining MMX insns with somewhat more complicated types. */ def_builtin ("__builtin_bfin_csync", void_ftype_void, BFIN_BUILTIN_CSYNC); def_builtin ("__builtin_bfin_ssync", void_ftype_void, BFIN_BUILTIN_SSYNC); @@ -5409,6 +5415,11 @@ bfin_init_builtins (void) BFIN_BUILTIN_CPLX_MSU_16_S40); def_builtin ("__builtin_bfin_csqu_fr16", v2hi_ftype_v2hi, BFIN_BUILTIN_CPLX_SQU); + + /* "Unaligned" load. */ + def_builtin ("__builtin_bfin_loadbytes", int_ftype_pint, + BFIN_BUILTIN_LOADBYTES); + } @@ -5456,6 +5467,8 @@ static const struct builtin_description bdesc_2arg[] = static const struct builtin_description bdesc_1arg[] = { + { CODE_FOR_loadbytes, "__builtin_bfin_loadbytes", BFIN_BUILTIN_LOADBYTES, 0 }, + { CODE_FOR_ones, "__builtin_bfin_ones", BFIN_BUILTIN_ONES, 0 }, { CODE_FOR_signbitshi2, "__builtin_bfin_norm_fr1x16", BFIN_BUILTIN_NORM_1X16, 0 }, diff --git a/gcc/config/bfin/bfin.md b/gcc/config/bfin/bfin.md index f535799..6b1c1e8 100644 --- a/gcc/config/bfin/bfin.md +++ b/gcc/config/bfin/bfin.md @@ -4253,3 +4253,13 @@ %0 = %1 >> %N2 (V)%!" [(set_attr "type" "dsp32")]) +;; Load without alignment exception (masking off low bits) + +(define_insn "loadbytes" + [(set (match_operand:SI 0 "register_operand" "=d") + (mem:SI (and:SI (match_operand:SI 1 "register_operand" "b") + (const_int -4))))] + "" + "DISALGNEXCPT || %0 = [%1];" + [(set_attr "type" "mcld") + (set_attr "length" "8")]) |