Hi, Old patch has some mistake in `*movbf_internal` , now disable BFmode constant double move in `*movbf_internal`.
Thanks, Lingling > -----Original Message----- > From: Kong, Lingling <lingling.k...@intel.com> > Sent: Tuesday, July 26, 2022 9:31 AM > To: Liu, Hongtao <hongtao....@intel.com>; gcc-patches@gcc.gnu.org > Cc: Kong, Lingling <lingling.k...@intel.com> > Subject: [PATCH] x86: Enable __bf16 type for TARGET_SSE2 and above > > Hi, > > The patch is enable __bf16 scalar type for target sse2 and above according to > psABI(https://gitlab.com/x86-psABIs/x86-64-ABI/-/merge_requests/35/diffs). > The __bf16 type is a storage type like arm. > > OK for master? > > gcc/ChangeLog: > > * config/i386/i386-builtin-types.def (BFLOAT16): New primitive type. > * config/i386/i386-builtins.cc : Support __bf16 type for i386 backend. > (ix86_register_bf16_builtin_type): New function. > (ix86_bf16_type_node): New. > (ix86_bf16_ptr_type_node): Ditto. > (ix86_init_builtin_types): Add ix86_register_bf16_builtin_type function > call. > * config/i386/i386-modes.def (FLOAT_MODE): Add BFmode. > (ADJUST_FLOAT_FORMAT): Ditto. > * config/i386/i386.cc (merge_classes): Handle BFmode. > (classify_argument): Ditto. > (examine_argument): Ditto. > (construct_container): Ditto. > (function_value_32): Return __bf16 by %xmm0. > (function_value_64): Return __bf16 by SSE register. > (ix86_print_operand): Handle CONST_DOUBLE BFmode. > (ix86_secondary_reload): Require gpr as intermediate register > to store __bf16 from sse register when sse4 is not available. > (ix86_scalar_mode_supported_p): Enable __bf16 under sse2. > (ix86_mangle_type): Add manlging for __bf16 type. > (ix86_invalid_conversion): New function for target hook. > (ix86_invalid_unary_op): Ditto. > (ix86_invalid_binary_op): Ditto. > (TARGET_INVALID_CONVERSION): New define for target hook. > (TARGET_INVALID_UNARY_OP): Ditto. > (TARGET_INVALID_BINARY_OP): Ditto. > * config/i386/i386.h (host_detect_local_cpu): Add BFmode. > * config/i386/i386.md (*pushhf_rex64): Change for BFmode. > (*push<mode>_rex64): Ditto. > (*pushhf): Ditto. > (*push<mode>): Ditto. > (*movhf_internal): Ditto. > (*mov<mode>_internal): Ditto. > > gcc/testsuite/ChangeLog: > > * g++.target/i386/bfloat_cpp_typecheck.C: New test. > * gcc.target/i386/bfloat16-1.c: Ditto. > * gcc.target/i386/sse2-bfloat16-1.c: Ditto. > * gcc.target/i386/sse2-bfloat16-2.c: Ditto. > * gcc.target/i386/sse2-bfloat16-scalar-typecheck.c: Ditto. > --- > gcc/config/i386/i386-builtin-types.def | 1 + > gcc/config/i386/i386-builtins.cc | 21 ++ > gcc/config/i386/i386-modes.def | 2 + > gcc/config/i386/i386.cc | 75 +++++- > gcc/config/i386/i386.h | 4 +- > gcc/config/i386/i386.md | 32 +-- > .../g++.target/i386/bfloat_cpp_typecheck.C | 10 + > gcc/testsuite/gcc.target/i386/bfloat16-1.c | 12 + > .../gcc.target/i386/sse2-bfloat16-1.c | 8 + > .../gcc.target/i386/sse2-bfloat16-2.c | 17 ++ > .../i386/sse2-bfloat16-scalar-typecheck.c | 215 ++++++++++++++++++ > 11 files changed, 375 insertions(+), 22 deletions(-) create mode 100644 > gcc/testsuite/g++.target/i386/bfloat_cpp_typecheck.C > create mode 100644 gcc/testsuite/gcc.target/i386/bfloat16-1.c > create mode 100644 gcc/testsuite/gcc.target/i386/sse2-bfloat16-1.c > create mode 100644 gcc/testsuite/gcc.target/i386/sse2-bfloat16-2.c > create mode 100644 gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar- > typecheck.c > > diff --git a/gcc/config/i386/i386-builtin-types.def b/gcc/config/i386/i386- > builtin-types.def > index 7a2da1db0b0..63a360b0f8b 100644 > --- a/gcc/config/i386/i386-builtin-types.def > +++ b/gcc/config/i386/i386-builtin-types.def > @@ -69,6 +69,7 @@ DEF_PRIMITIVE_TYPE (UINT16, > short_unsigned_type_node) DEF_PRIMITIVE_TYPE (INT64, > long_long_integer_type_node) DEF_PRIMITIVE_TYPE (UINT64, > long_long_unsigned_type_node) DEF_PRIMITIVE_TYPE (FLOAT16, > ix86_float16_type_node) > +DEF_PRIMITIVE_TYPE (BFLOAT16, ix86_bf16_type_node) > DEF_PRIMITIVE_TYPE (FLOAT, float_type_node) DEF_PRIMITIVE_TYPE > (DOUBLE, double_type_node) DEF_PRIMITIVE_TYPE (FLOAT80, > float80_type_node) diff --git a/gcc/config/i386/i386-builtins.cc > b/gcc/config/i386/i386-builtins.cc > index fe7243c3837..6a04fb57e65 100644 > --- a/gcc/config/i386/i386-builtins.cc > +++ b/gcc/config/i386/i386-builtins.cc > @@ -126,6 +126,9 @@ BDESC_VERIFYS (IX86_BUILTIN_MAX, static GTY(()) tree > ix86_builtin_type_tab[(int) IX86_BT_LAST_CPTR + 1]; > > tree ix86_float16_type_node = NULL_TREE; > +tree ix86_bf16_type_node = NULL_TREE; > +tree ix86_bf16_ptr_type_node = NULL_TREE; > + > /* Retrieve an element from the above table, building some of > the types lazily. */ > > @@ -1366,6 +1369,22 @@ ix86_register_float16_builtin_type (void) > "_Float16"); > } > > +static void > +ix86_register_bf16_builtin_type (void) > +{ > + ix86_bf16_type_node = make_node (REAL_TYPE); > + TYPE_PRECISION (ix86_bf16_type_node) = 16; > + SET_TYPE_MODE (ix86_bf16_type_node, BFmode); > + layout_type (ix86_bf16_type_node); > + > + if (!maybe_get_identifier ("__bf16") && TARGET_SSE2) > + { > + lang_hooks.types.register_builtin_type (ix86_bf16_type_node, > + "__bf16"); > + ix86_bf16_ptr_type_node = build_pointer_type (ix86_bf16_type_node); > + } > +} > + > static void > ix86_init_builtin_types (void) > { > @@ -1396,6 +1415,8 @@ ix86_init_builtin_types (void) > > ix86_register_float16_builtin_type (); > > + ix86_register_bf16_builtin_type (); > + > const_string_type_node > = build_pointer_type (build_qualified_type > (char_type_node, TYPE_QUAL_CONST)); diff --git > a/gcc/config/i386/i386-modes.def b/gcc/config/i386/i386-modes.def index > e2e1e18d24d..b49daaef253 100644 > --- a/gcc/config/i386/i386-modes.def > +++ b/gcc/config/i386/i386-modes.def > @@ -24,6 +24,8 @@ along with GCC; see the file COPYING3. If not see > FRACTIONAL_FLOAT_MODE (XF, 80, 12, ieee_extended_intel_96_format); > FLOAT_MODE (TF, 16, ieee_quad_format); FLOAT_MODE (HF, 2, > ieee_half_format); > +FLOAT_MODE (BF, 2, 0); > +ADJUST_FLOAT_FORMAT (BF, &arm_bfloat_half_format); > > /* In ILP32 mode, XFmode has size 12 and alignment 4. > In LP64 mode, XFmode has size and alignment 16. */ diff --git > a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc index > e03f86d4a23..5d589f6a05c 100644 > --- a/gcc/config/i386/i386.cc > +++ b/gcc/config/i386/i386.cc > @@ -2399,6 +2399,7 @@ classify_argument (machine_mode mode, const_tree > type, > case E_CTImode: > return 0; > case E_HFmode: > + case E_BFmode: > if (!(bit_offset % 64)) > classes[0] = X86_64_SSEHF_CLASS; > else > @@ -2792,9 +2793,10 @@ construct_container (machine_mode mode, > machine_mode orig_mode, > intreg++; > break; > case X86_64_SSEHF_CLASS: > + tmpmode = (mode == BFmode ? BFmode : HFmode); > exp [nexps++] > = gen_rtx_EXPR_LIST (VOIDmode, > - gen_rtx_REG (HFmode, > + gen_rtx_REG (tmpmode, > GET_SSE_REGNO (sse_regno)), > GEN_INT (i*8)); > sse_regno++; > @@ -4001,8 +4003,8 @@ function_value_32 (machine_mode orig_mode, > machine_mode mode, > /* Most things go in %eax. */ > regno = AX_REG; > > - /* Return _Float16/_Complex _Foat16 by sse register. */ > - if (mode == HFmode) > + /* Return __bf16/ _Float16/_Complex _Foat16 by sse register. */ if > + (mode == HFmode || mode == BFmode) > regno = FIRST_SSE_REG; > if (mode == HCmode) > { > @@ -4050,6 +4052,7 @@ function_value_64 (machine_mode orig_mode, > machine_mode mode, > > switch (mode) > { > + case E_BFmode: > case E_HFmode: > case E_HCmode: > case E_SFmode: > @@ -5631,6 +5634,7 @@ ix86_output_ssemov (rtx_insn *insn, rtx *operands) > return "%vmovss\t{%1, %0|%0, %1}"; > > case MODE_HF: > + case MODE_BF: > if (REG_P (operands[0]) && REG_P (operands[1])) > return "vmovsh\t{%d1, %0|%0, %d1}"; > else > @@ -19402,7 +19406,8 @@ ix86_secondary_reload (bool in_p, rtx x, > reg_class_t rclass, > } > > /* Require movement to gpr, and then store to memory. */ > - if ((mode == HFmode || mode == HImode || mode == V2QImode) > + if ((mode == HFmode || mode == HImode || mode == V2QImode > + || mode == BFmode) > && !TARGET_SSE4_1 > && SSE_CLASS_P (rclass) > && !in_p && MEM_P (x)) > @@ -22331,7 +22336,7 @@ ix86_scalar_mode_supported_p (scalar_mode > mode) > return default_decimal_float_supported_p (); > else if (mode == TFmode) > return true; > - else if (mode == HFmode && TARGET_SSE2) > + else if ((mode == HFmode || mode == BFmode) && TARGET_SSE2) > return true; > else > return default_scalar_mode_supported_p (mode); @@ -22646,6 +22651,8 > @@ ix86_mangle_type (const_tree type) > > switch (TYPE_MODE (type)) > { > + case E_BFmode: > + return "u6__bf16"; > case E_HFmode: > /* _Float16 is "DF16_". > Align with clang's decision in https://reviews.llvm.org/D33719. */ @@ - > 22661,6 +22668,55 @@ ix86_mangle_type (const_tree type) > } > } > > +/* Return the diagnostic message string if conversion from FROMTYPE to > + TOTYPE is not allowed, NULL otherwise. */ > + > +static const char * > +ix86_invalid_conversion (const_tree fromtype, const_tree totype) { > + if (element_mode (fromtype) != element_mode (totype)) > + { > + /* Do no allow conversions to/from BFmode scalar types. */ > + if (TYPE_MODE (fromtype) == BFmode) > + return N_("invalid conversion from type %<__bf16%>"); > + if (TYPE_MODE (totype) == BFmode) > + return N_("invalid conversion to type %<__bf16%>"); > + } > + > + /* Conversion allowed. */ > + return NULL; > +} > + > +/* Return the diagnostic message string if the unary operation OP is > + not permitted on TYPE, NULL otherwise. */ > + > +static const char * > +ix86_invalid_unary_op (int op, const_tree type) { > + /* Reject all single-operand operations on BFmode except for &. */ > + if (element_mode (type) == BFmode && op != ADDR_EXPR) > + return N_("operation not permitted on type %<__bf16%>"); > + > + /* Operation allowed. */ > + return NULL; > +} > + > +/* Return the diagnostic message string if the binary operation OP is > + not permitted on TYPE1 and TYPE2, NULL otherwise. */ > + > +static const char * > +ix86_invalid_binary_op (int op ATTRIBUTE_UNUSED, const_tree type1, > + const_tree type2) > +{ > + /* Reject all 2-operand operations on BFmode. */ > + if (element_mode (type1) == BFmode > + || element_mode (type2) == BFmode) > + return N_("operation not permitted on type %<__bf16%>"); > + > + /* Operation allowed. */ > + return NULL; > +} > + > static GTY(()) tree ix86_tls_stack_chk_guard_decl; > > static tree > @@ -24718,6 +24774,15 @@ ix86_libgcc_floating_mode_supported_p > #undef TARGET_MANGLE_TYPE > #define TARGET_MANGLE_TYPE ix86_mangle_type > > +#undef TARGET_INVALID_CONVERSION > +#define TARGET_INVALID_CONVERSION ix86_invalid_conversion > + > +#undef TARGET_INVALID_UNARY_OP > +#define TARGET_INVALID_UNARY_OP ix86_invalid_unary_op > + > +#undef TARGET_INVALID_BINARY_OP > +#define TARGET_INVALID_BINARY_OP ix86_invalid_binary_op > + > #undef TARGET_STACK_PROTECT_GUARD > #define TARGET_STACK_PROTECT_GUARD ix86_stack_protect_guard > > diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index > f16df633e84..0da3dce1d31 100644 > --- a/gcc/config/i386/i386.h > +++ b/gcc/config/i386/i386.h > @@ -1046,7 +1046,7 @@ extern const char *host_detect_local_cpu (int argc, > const char **argv); > || (MODE) == V8HFmode || (MODE) == V4HFmode || (MODE) == V2HFmode > \ > || (MODE) == V4QImode || (MODE) == V2HImode || (MODE) == V1SImode > \ > || (MODE) == V2DImode || (MODE) == V2QImode || (MODE) == DFmode > \ > - || (MODE) == HFmode) > + || (MODE) == HFmode || (MODE) == BFmode) > > #define VALID_SSE_REG_MODE(MODE) \ > ((MODE) == V1TImode || (MODE) == TImode \ > @@ -1077,7 +1077,7 @@ extern const char *host_detect_local_cpu (int argc, > const char **argv); > || (MODE) == CQImode || (MODE) == CHImode > \ > || (MODE) == CSImode || (MODE) == CDImode > \ > || (MODE) == SDmode || (MODE) == DDmode \ > - || (MODE) == HFmode || (MODE) == HCmode \ > + || (MODE) == HFmode || (MODE) == HCmode || (MODE) == BFmode > \ > || (MODE) == V2HImode || (MODE) == V2HFmode > \ > || (MODE) == V1SImode || (MODE) == V4QImode || (MODE) == V2QImode > \ > || (TARGET_64BIT \ > diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index > 9aaeb695f0f..1f7b018913a 100644 > --- a/gcc/config/i386/i386.md > +++ b/gcc/config/i386/i386.md > @@ -499,7 +499,7 @@ > > ;; Main data type used by the insn > (define_attr "mode" > - "unknown,none,QI,HI,SI,DI,TI,OI,XI,HF,SF,DF,XF,TF,V32HF,V16HF,V8HF, > + > + "unknown,none,QI,HI,SI,DI,TI,OI,XI,HF,BF,SF,DF,XF,TF,V32HF,V16HF,V8HF, > V16SF,V8SF,V4DF,V4SF,V2DF,V2SF,V1DF,V8DF,V4HF,V2HF" > (const_string "unknown")) > > @@ -1104,7 +1104,7 @@ > ;; GET_MODE_SIZE (<MODE>mode). For XFmode which depends on ;; > command line options just use GET_MODE_SIZE macro. > (define_mode_attr MODE_SIZE [(QI "1") (HI "2") (SI "4") (DI "8") > - (TI "16") (HF "2") (SF "4") (DF "8") > + (TI "16") (HF "2") (BF "2") (SF "4") (DF "8") > (XF "GET_MODE_SIZE (XFmode)") > (V16QI "16") (V32QI "32") (V64QI "64") > (V8HI "16") (V16HI "32") (V32HI "64") @@ -1248,7 > +1248,7 @@ (define_mode_iterator X87MODEF [SF DF XF]) > > ;; All x87 floating point modes plus HFmode -(define_mode_iterator > X87MODEFH [HF SF DF XF]) > +(define_mode_iterator X87MODEFH [HF SF DF XF BF]) > > ;; All SSE floating point modes > (define_mode_iterator SSEMODEF [HF SF DF TF]) @@ -3408,9 +3408,11 @@ > operands[0] = replace_equiv_address (operands[0], stack_pointer_rtx); > }) > > -(define_insn "*pushhf_rex64" > - [(set (match_operand:HF 0 "push_operand" "=X,X") > - (match_operand:HF 1 "nonmemory_no_elim_operand" "r,x"))] > +(define_mode_iterator HFBF [HF BF]) > + > +(define_insn "*push<mode>_rex64" > + [(set (match_operand:HFBF 0 "push_operand" "=X,X") > + (match_operand:HFBF 1 "nonmemory_no_elim_operand" "r,x"))] > "TARGET_64BIT" > { > /* Anything else should be already split before reg-stack. */ @@ -3421,9 > +3423,9 @@ > (set_attr "type" "push,multi") > (set_attr "mode" "DI,TI")]) > > -(define_insn "*pushhf" > - [(set (match_operand:HF 0 "push_operand" "=X,X") > - (match_operand:HF 1 "general_no_elim_operand" "rmF,x"))] > +(define_insn "*push<mode>" > + [(set (match_operand:HFBF 0 "push_operand" "=X,X") > + (match_operand:HFBF 1 "general_no_elim_operand" "rmF,x"))] > "!TARGET_64BIT" > { > /* Anything else should be already split before reg-stack. */ @@ -3462,7 > +3464,7 @@ > (set_attr "unit" "i387,*,*") > (set_attr "mode" "SF,SI,SF")]) > > -(define_mode_iterator MODESH [SF HF]) > +(define_mode_iterator MODESH [SF HF BF]) > ;; %%% Kill this when call knows how to work this out. > (define_split > [(set (match_operand:MODESH 0 "push_operand") @@ -3950,18 +3952,18 > @@ > ] > (const_string "*")))]) > > -(define_insn "*movhf_internal" > - [(set (match_operand:HF 0 "nonimmediate_operand" > +(define_insn "*mov<mode>_internal" > + [(set (match_operand:HFBF 0 "nonimmediate_operand" > "=?r,?r,?r,?m,v,v,?r,m,?v,v") > - (match_operand:HF 1 "general_operand" > + (match_operand:HFBF 1 "general_operand" > "r ,F ,m ,rF,C,v, v,v,r ,m"))] > "!(MEM_P (operands[0]) && MEM_P (operands[1])) > && (lra_in_progress > || reload_completed > || !CONST_DOUBLE_P (operands[1]) > || (TARGET_SSE2 > - && standard_sse_constant_p (operands[1], HFmode) == 1) > - || memory_operand (operands[0], HFmode))" > + && standard_sse_constant_p (operands[1], <MODE>mode) == 1) > + || memory_operand (operands[0], <MODE>mode))" > { > switch (get_attr_type (insn)) > { > diff --git a/gcc/testsuite/g++.target/i386/bfloat_cpp_typecheck.C > b/gcc/testsuite/g++.target/i386/bfloat_cpp_typecheck.C > new file mode 100644 > index 00000000000..962c8504775 > --- /dev/null > +++ b/gcc/testsuite/g++.target/i386/bfloat_cpp_typecheck.C > @@ -0,0 +1,10 @@ > +/* { dg-do assemble { target sse2} } */ > +/* { dg-options "-msse2 -O3 --save-temps" } */ > + > +void foo (void) > +{ > + __bf16 (); /* { dg-bogus {invalid conversion to type '__bf16'} } */ > + __bf16 a = __bf16(); /* { dg-bogus {invalid conversion to type > +'__bf16'} } */ > + __bf16 (0x1234); /* { dg-error {invalid conversion to type '__bf16'} > +} */ > + __bf16 (0.1); /* { dg-error {invalid conversion to type '__bf16'} } > +*/ } > diff --git a/gcc/testsuite/gcc.target/i386/bfloat16-1.c > b/gcc/testsuite/gcc.target/i386/bfloat16-1.c > new file mode 100644 > index 00000000000..6aaec28efd2 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/bfloat16-1.c > @@ -0,0 +1,12 @@ > +/* { dg-do compile } */ > +/* { dg-options "-msse2 -O2" } */ > +__bf16 > +foo (int a) > +{ > + union { > + int a; > + __bf16 b; > + }c; > + c.a = a; > + return c.b; > +} > diff --git a/gcc/testsuite/gcc.target/i386/sse2-bfloat16-1.c > b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-1.c > new file mode 100644 > index 00000000000..612d55be826 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-1.c > @@ -0,0 +1,8 @@ > +/* { dg-do compile } */ > +/* { dg-options "-O2 -mno-sse2" } */ > + > +__bf16/* { dg-error "unknown type name '__bf16'" } */ foo (__bf16 x) /* > +{ dg-error "unknown type name '__bf16'" } */ { > + return x; > +} > diff --git a/gcc/testsuite/gcc.target/i386/sse2-bfloat16-2.c > b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-2.c > new file mode 100644 > index 00000000000..a3286e26c48 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-2.c > @@ -0,0 +1,17 @@ > +/* { dg-do compile } */ > +/* { dg-options "-O2 -msse2 -mno-avx512f" } */ > + > +union flt > +{ > + __bf16 flt; > + short s; > +}; > + > +__bf16 > +foo (union flt x) > +{ > + return x.flt; > +} > + > +/* { dg-final { scan-assembler {(?n)pinsrw[\t ].*%xmm0} { target ia32 } > +} } */ > +/* { dg-final { scan-assembler {(?n)movd[\t ].*%xmm0} { target { ! ia32 > +} } } } */ > diff --git a/gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c > b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c > new file mode 100644 > index 00000000000..f76d5547758 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/sse2-bfloat16-scalar-typecheck.c > @@ -0,0 +1,215 @@ > +/* { dg-do compile } */ > +/* { dg-options "-msse2 -O2" } */ > + > + > +__bf16 glob_bfloat; > + > +int is_an_int; > +short is_a_short_int; > +float is_a_float; > +float is_a_float16; > +double is_a_double; > + > +float *float_ptr; > + > +__bf16 foo1 (void) { return (__bf16) 0x1234; } /* { dg-error {invalid > +conversion to type '__bf16'} } */ > +__bf16 foo2 (void) { return (__bf16) (short) 0x1234; } /* { dg-error > +{invalid conversion to type '__bf16'} } */ > + > +__bf16 footest (__bf16 scalar0) > +{ > + > + /* Initialisation */ > + > + __bf16 scalar1_1; > + __bf16 scalar1_2 = glob_bfloat; > + __bf16 scalar1_3 = 0; /* { dg-error {invalid conversion to type > '__bf16'} } */ > + __bf16 scalar1_4 = 0.1; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + __bf16 scalar1_5 = is_a_float; /* { dg-error {invalid conversion to > + type '__bf16'} } */ > + __bf16 scalar1_6 = is_an_int; /* { dg-error {invalid conversion to > + type '__bf16'} } */ > + __bf16 scalar1_7 = is_a_float16; /* { dg-error {invalid conversion to > + type '__bf16'} } */ > + __bf16 scalar1_8 = is_a_double; /* { dg-error {invalid conversion to > + type '__bf16'} } */ > + __bf16 scalar1_9 = is_a_short_int; /* { dg-error {invalid conversion > + to type '__bf16'} } */ > + > + int initi_1_1 = glob_bfloat; /* { dg-error {invalid conversion from > + type '__bf16'} } */ float initi_1_2 = glob_bfloat; /* { dg-error > + {invalid conversion from type '__bf16'} } */ > + _Float16 initi_1_3 = glob_bfloat; /* { dg-error {invalid conversion > + from type '__bf16'} } */ short initi_1_4 = glob_bfloat; /* { dg-error > + {invalid conversion from type '__bf16'} } */ double initi_1_5 = > + glob_bfloat; /* { dg-error {invalid conversion from type '__bf16'} } > + */ > + > + __bf16 scalar2_1 = {}; /* { dg-error {empty scalar initializer} } */ > + __bf16 scalar2_2 = { glob_bfloat }; > + __bf16 scalar2_3 = { 0 }; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + __bf16 scalar2_4 = { 0.1 }; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + __bf16 scalar2_5 = { is_a_float }; /* { dg-error {invalid conversion > + to type '__bf16'} } */ > + __bf16 scalar2_6 = { is_an_int }; /* { dg-error {invalid conversion > + to type '__bf16'} } */ > + __bf16 scalar2_7 = { is_a_float16 }; /* { dg-error {invalid > + conversion to type '__bf16'} } */ > + __bf16 scalar2_8 = { is_a_double }; /* { dg-error {invalid conversion > + to type '__bf16'} } */ > + __bf16 scalar2_9 = { is_a_short_int }; /* { dg-error {invalid > + conversion to type '__bf16'} } */ > + > + int initi_2_1 = { glob_bfloat }; /* { dg-error {invalid conversion > + from type '__bf16'} } */ float initi_2_2 = { glob_bfloat }; /* { > + dg-error {invalid conversion from type '__bf16'} } */ > + _Float16 initi_2_3 = { glob_bfloat }; /* { dg-error {invalid > + conversion from type '__bf16'} } */ short initi_2_4 = { glob_bfloat > + }; /* { dg-error {invalid conversion from type '__bf16'} } */ double > + initi_2_5 = { glob_bfloat }; /* { dg-error {invalid conversion from > + type '__bf16'} } */ > + > + /* Assignments. */ > + > + glob_bfloat = glob_bfloat; > + glob_bfloat = 0; /* { dg-error {invalid conversion to type '__bf16'} } */ > + glob_bfloat = 0.1; /* { dg-error {invalid conversion to type > + '__bf16'} } */ glob_bfloat = is_a_float; /* { dg-error {invalid > + conversion to type '__bf16'} } */ glob_bfloat = is_an_int; /* { > + dg-error {invalid conversion to type '__bf16'} } */ glob_bfloat = > + is_a_float16; /* { dg-error {invalid conversion to type '__bf16'} } */ > + glob_bfloat = is_a_double; /* { dg-error {invalid conversion to type > + '__bf16'} } */ glob_bfloat = is_a_short_int; /* { dg-error {invalid > + conversion to type '__bf16'} } */ > + > + is_an_int = glob_bfloat; /* { dg-error {invalid conversion from type > + '__bf16'} } */ is_a_float = glob_bfloat; /* { dg-error {invalid > + conversion from type '__bf16'} } */ > + is_a_float16 = glob_bfloat; /* { dg-error {invalid conversion from > + type '__bf16'} } */ is_a_double = glob_bfloat; /* { dg-error {invalid > + conversion from type '__bf16'} } */ is_a_short_int = glob_bfloat; /* > + { dg-error {invalid conversion from type '__bf16'} } */ > + > + /* Casting. */ > + > + (void) glob_bfloat; > + (__bf16) glob_bfloat; > + > + (int) glob_bfloat; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + (float) glob_bfloat; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + (_Float16) glob_bfloat; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + (double) glob_bfloat; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + (short) glob_bfloat; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + > + (__bf16) is_an_int; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) is_a_float; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) is_a_float16; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) is_a_double; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) is_a_short_int; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + > + /* Compound literals. */ > + > + (__bf16) {}; /* { dg-error {empty scalar initializer} } */ > + (__bf16) { glob_bfloat }; > + (__bf16) { 0 }; /* { dg-error {invalid conversion to type '__bf16'} } > + */ > + (__bf16) { 0.1 }; /* { dg-error {invalid conversion to type '__bf16'} > + } */ > + (__bf16) { is_a_float }; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) { is_an_int }; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) { is_a_float16 }; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) { is_a_double }; /* { dg-error {invalid conversion to type > + '__bf16'} } */ > + (__bf16) { is_a_short_int }; /* { dg-error {invalid conversion to > + type '__bf16'} } */ > + > + (int) { glob_bfloat }; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + (float) { glob_bfloat }; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + (_Float16) { glob_bfloat }; /* { dg-error {invalid conversion from > + type '__bf16'} } */ > + (double) { glob_bfloat }; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + (short) { glob_bfloat }; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + > + /* Arrays and Structs. */ > + > + typedef __bf16 array_type[2]; > + extern __bf16 extern_array[]; > + > + __bf16 array[2]; > + __bf16 zero_length_array[0]; > + __bf16 empty_init_array[] = {}; > + typedef __bf16 some_other_type[is_an_int]; > + > + struct struct1 { > + __bf16 a; > + }; > + > + union union1 { > + __bf16 a; > + }; > + > + /* Addressing and dereferencing. */ > + > + __bf16 *bfloat_ptr = &scalar0; > + scalar0 = *bfloat_ptr; > + > + /* Pointer assignment. */ > + > + __bf16 *bfloat_ptr2 = bfloat_ptr; > + __bf16 *bfloat_ptr3 = array; > + > + /* Pointer arithmetic. */ > + > + ++bfloat_ptr; > + --bfloat_ptr; > + bfloat_ptr++; > + bfloat_ptr--; > + bfloat_ptr += 1; > + bfloat_ptr -= 1; > + bfloat_ptr - bfloat_ptr2; > + bfloat_ptr = &bfloat_ptr3[0]; > + bfloat_ptr = &bfloat_ptr3[1]; > + > + /* Simple comparison. */ > + scalar0 > glob_bfloat; /* { dg-error {operation not permitted on type > + '__bf16'} } */ glob_bfloat == scalar0; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + scalar0 > is_a_float; /* { dg-error {operation not permitted on type > + '__bf16'} } */ is_a_float == scalar0; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + scalar0 > 0; /* { dg-error {operation not permitted on type '__bf16'} > + } */ > + 0 == scalar0; /* { dg-error {operation not permitted on type > + '__bf16'} } */ > + scalar0 > 0.1; /* { dg-error {operation not permitted on type > + '__bf16'} } */ > + 0.1 == scalar0; /* { dg-error {operation not permitted on type > + '__bf16'} } */ > + scalar0 > is_an_int; /* { dg-error {operation not permitted on type > + '__bf16'} } */ is_an_int == scalar0; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + > + /* Pointer comparison. */ > + > + bfloat_ptr == &scalar0; > + bfloat_ptr != &scalar0; > + bfloat_ptr < &scalar0; > + bfloat_ptr <= &scalar0; > + bfloat_ptr > &scalar0; > + bfloat_ptr >= &scalar0; > + bfloat_ptr == bfloat_ptr2; > + bfloat_ptr != bfloat_ptr2; > + bfloat_ptr < bfloat_ptr2; > + bfloat_ptr <= bfloat_ptr2; > + bfloat_ptr > bfloat_ptr2; > + bfloat_ptr >= bfloat_ptr2; > + > + /* Conditional expressions. */ > + > + 0 ? scalar0 : scalar0; > + 0 ? scalar0 : is_a_float; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + 0 ? is_a_float : scalar0; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + 0 ? scalar0 : 0; /* { dg-error {invalid conversion to type '__bf16'} > + } */ > + 0 ? 0 : scalar0; /* { dg-error {invalid conversion to type '__bf16'} > + } */ > + 0 ? 0.1 : scalar0; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + 0 ? scalar0 : 0.1; /* { dg-error {invalid conversion from type > + '__bf16'} } */ > + 0 ? bfloat_ptr : bfloat_ptr2; > + 0 ? bfloat_ptr : float_ptr; /* { dg-warning {pointer type mismatch in > + conditional expression} } */ > + 0 ? float_ptr : bfloat_ptr; /* { dg-warning {pointer type mismatch in > + conditional expression} } */ > + > + scalar0 ? scalar0 : scalar0; /* { dg-error {operation not permitted > + on type '__bf16'} } */ > + scalar0 ? is_a_float : scalar0; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + scalar0 ? scalar0 : is_a_float; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + scalar0 ? is_a_float : is_a_float; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + > + /* Unary operators. */ > + > + +scalar0; /* { dg-error {operation not permitted on type '__bf16'} } > + */ -scalar0; /* { dg-error {operation not permitted on type '__bf16'} > + } */ ~scalar0; /* { dg-error {operation not permitted on type > + '__bf16'} } */ !scalar0; /* { dg-error {operation not permitted on > + type '__bf16'} } */ *scalar0; /* { dg-error {invalid type argument of > + unary '\*'} } */ __real scalar0; /* { dg-error {operation not > + permitted on type '__bf16'} } */ __imag scalar0; /* { dg-error > + {operation not permitted on type '__bf16'} } */ ++scalar0; /* { > + dg-error {operation not permitted on type '__bf16'} } */ --scalar0; > + /* { dg-error {operation not permitted on type '__bf16'} } */ > + scalar0++; /* { dg-error {operation not permitted on type '__bf16'} } > + */ scalar0--; /* { dg-error {operation not permitted on type > + '__bf16'} } */ > + > + /* Binary arithmetic operations. */ > + > + scalar0 = glob_bfloat + *bfloat_ptr; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + scalar0 = glob_bfloat + 0.1; /* { dg-error {operation not permitted > + on type '__bf16'} } */ > + scalar0 = glob_bfloat + 0; /* { dg-error {operation not permitted on > + type '__bf16'} } */ > + scalar0 = glob_bfloat + is_a_float; /* { dg-error {operation not > + permitted on type '__bf16'} } */ > + > + return scalar0; > +} > + > -- > 2.18.2
0001-Enable-__bf16-type-for-TARGET_SSE2-and-above.patch
Description: 0001-Enable-__bf16-type-for-TARGET_SSE2-and-above.patch
