diff --git a/contrib/gcc/ChangeLog.gcc43 b/contrib/gcc/ChangeLog.gcc43 index 5c6701ad2cd5..8311fc96467b 100644 --- a/contrib/gcc/ChangeLog.gcc43 +++ b/contrib/gcc/ChangeLog.gcc43 @@ -389,6 +389,36 @@ * config.gcc: Support core2 processor. +2007-01-11 Joseph Myers (r120688) + + * c-common.c (vector_types_convertible_p): Treat opaque types as + always convertible if they have the same size, but not otherwise. + +2007-01-08 Mark Shinwell (r120572) + + * c.opt: Add -flax-vector-conversions. + * c-typeck.c (convert_for_assignment): Pass flag to + vector_types_convertible_p to allow emission of note. + (digest_init): Likewise. + * c-opts.c: Handle -flax-vector-conversions. + * c-common.c (flag_lax_vector_conversions): New. + (vector_types_convertible_p): Unless -flax-vector conversions + has been passed, disallow conversions between vectors with + differing numbers of subparts and/or element types. If such + a conversion is disallowed, possibly emit a note on the first + occasion only to inform the user of -flax-vector-conversions. + The new last argument specifies this. + * c-common.h (flag_lax_vector_conversions): New. + (vector_types_convertible_p): Add extra argument. + * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use + char_type_node for V*QI type vectors. + * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): + Update to satisfy new typechecking rules. + * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both + C and C++ variants. + * doc/invoke.texi (C Dialect Options): Document + -flax-vector-conversions. + 2007-01-05 Manuel Lopez-Ibanez (r120505) PR c/19978 diff --git a/contrib/gcc/c-common.c b/contrib/gcc/c-common.c index fa896146a24b..d358a79bab61 100644 --- a/contrib/gcc/c-common.c +++ b/contrib/gcc/c-common.c @@ -254,6 +254,10 @@ int flag_short_double; int flag_short_wchar; +/* Nonzero means allow implicit conversions between vectors with + differing numbers of subparts and/or differing element types. */ +int flag_lax_vector_conversions; + /* Nonzero means allow Microsoft extensions without warnings or errors. */ int flag_ms_extensions; @@ -1095,18 +1099,45 @@ constant_fits_type_p (tree c, tree type) return !TREE_OVERFLOW (c); } -/* Nonzero if vector types T1 and T2 can be converted to each other - without an explicit cast. */ -int -vector_types_convertible_p (tree t1, tree t2) + +/* True if vector types T1 and T2 can be converted to each other + without an explicit cast. If EMIT_LAX_NOTE is true, and T1 and T2 + can only be converted with -flax-vector-conversions yet that is not + in effect, emit a note telling the user about that option if such + a note has not previously been emitted. */ +bool +vector_types_convertible_p (tree t1, tree t2, bool emit_lax_note) { - return targetm.vector_opaque_p (t1) - || targetm.vector_opaque_p (t2) - || (tree_int_cst_equal (TYPE_SIZE (t1), TYPE_SIZE (t2)) - && (TREE_CODE (TREE_TYPE (t1)) != REAL_TYPE || - TYPE_PRECISION (t1) == TYPE_PRECISION (t2)) - && INTEGRAL_TYPE_P (TREE_TYPE (t1)) - == INTEGRAL_TYPE_P (TREE_TYPE (t2))); + static bool emitted_lax_note = false; + bool convertible_lax; + + if ((targetm.vector_opaque_p (t1) || targetm.vector_opaque_p (t2)) + && tree_int_cst_equal (TYPE_SIZE (t1), TYPE_SIZE (t2))) + return true; + + convertible_lax = + (tree_int_cst_equal (TYPE_SIZE (t1), TYPE_SIZE (t2)) + && (TREE_CODE (TREE_TYPE (t1)) != REAL_TYPE || + TYPE_PRECISION (t1) == TYPE_PRECISION (t2)) + && (INTEGRAL_TYPE_P (TREE_TYPE (t1)) + == INTEGRAL_TYPE_P (TREE_TYPE (t2)))); + + if (!convertible_lax || flag_lax_vector_conversions) + return convertible_lax; + + if (TYPE_VECTOR_SUBPARTS (t1) == TYPE_VECTOR_SUBPARTS (t2) + && comptypes (TREE_TYPE (t1), TREE_TYPE (t2))) + return true; + + if (emit_lax_note && !emitted_lax_note) + { + emitted_lax_note = true; + inform ("use -flax-vector-conversions to permit " + "conversions between vectors with differing " + "element types or numbers of subparts"); + } + + return false; } /* Convert EXPR to TYPE, warning about conversion problems with constants. diff --git a/contrib/gcc/c-common.h b/contrib/gcc/c-common.h index 453a2d6b2575..fb9ea9e24458 100644 --- a/contrib/gcc/c-common.h +++ b/contrib/gcc/c-common.h @@ -389,6 +389,10 @@ extern int flag_short_double; extern int flag_short_wchar; +/* Nonzero means allow implicit conversions between vectors with + differing numbers of subparts and/or differing element types. */ +extern int flag_lax_vector_conversions; + /* Nonzero means allow Microsoft extensions without warnings or errors. */ extern int flag_ms_extensions; @@ -791,7 +795,7 @@ extern tree finish_label_address_expr (tree); extern tree lookup_label (tree); extern tree lookup_name (tree); -extern int vector_types_convertible_p (tree t1, tree t2); +extern bool vector_types_convertible_p (tree t1, tree t2, bool emit_lax_note); extern rtx c_expand_expr (tree, rtx, enum machine_mode, int, rtx *); diff --git a/contrib/gcc/c-opts.c b/contrib/gcc/c-opts.c index 0c584eb8ca74..ed6b7718ecb5 100644 --- a/contrib/gcc/c-opts.c +++ b/contrib/gcc/c-opts.c @@ -710,6 +710,10 @@ c_common_handle_option (size_t scode, const char *arg, int value) flag_implicit_templates = value; break; + case OPT_flax_vector_conversions: + flag_lax_vector_conversions = value; + break; + case OPT_fms_extensions: flag_ms_extensions = value; break; diff --git a/contrib/gcc/c-typeck.c b/contrib/gcc/c-typeck.c index dd0fdc5bf982..3e47837c7624 100644 --- a/contrib/gcc/c-typeck.c +++ b/contrib/gcc/c-typeck.c @@ -3893,7 +3893,7 @@ convert_for_assignment (tree type, tree rhs, enum impl_conv errtype, } /* Some types can interconvert without explicit casts. */ else if (codel == VECTOR_TYPE && coder == VECTOR_TYPE - && vector_types_convertible_p (type, TREE_TYPE (rhs))) + && vector_types_convertible_p (type, TREE_TYPE (rhs), true)) return convert (type, rhs); /* Arithmetic types all interconvert, and enum is treated like int. */ else if ((codel == INTEGER_TYPE || codel == REAL_TYPE @@ -4629,7 +4629,7 @@ digest_init (tree type, tree init, bool strict_string, int require_constant) below and handle as a constructor. */ if (code == VECTOR_TYPE && TREE_CODE (TREE_TYPE (inside_init)) == VECTOR_TYPE - && vector_types_convertible_p (TREE_TYPE (inside_init), type) + && vector_types_convertible_p (TREE_TYPE (inside_init), type, true) && TREE_CONSTANT (inside_init)) { if (TREE_CODE (inside_init) == VECTOR_CST diff --git a/contrib/gcc/c.opt b/contrib/gcc/c.opt index 80b5312df888..8a920c5936a5 100644 --- a/contrib/gcc/c.opt +++ b/contrib/gcc/c.opt @@ -584,6 +584,10 @@ Inject friend functions into enclosing namespace flabels-ok C++ ObjC++ +flax-vector-conversions +C ObjC C++ ObjC++ +Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. + fms-extensions C ObjC C++ ObjC++ Don't warn about uses of Microsoft extensions diff --git a/contrib/gcc/config/i386/i386.c b/contrib/gcc/config/i386/i386.c index 51bd93cf9f4b..88f28369297d 100644 --- a/contrib/gcc/config/i386/i386.c +++ b/contrib/gcc/config/i386/i386.c @@ -15408,7 +15408,7 @@ ix86_init_mmx_sse_builtins (void) const struct builtin_description * d; size_t i; - tree V16QI_type_node = build_vector_type_for_mode (intQI_type_node, V16QImode); + tree V16QI_type_node = build_vector_type_for_mode (char_type_node, V16QImode); tree V2SI_type_node = build_vector_type_for_mode (intSI_type_node, V2SImode); tree V2SF_type_node = build_vector_type_for_mode (float_type_node, V2SFmode); tree V2DI_type_node @@ -15417,7 +15417,7 @@ ix86_init_mmx_sse_builtins (void) tree V4SF_type_node = build_vector_type_for_mode (float_type_node, V4SFmode); tree V4SI_type_node = build_vector_type_for_mode (intSI_type_node, V4SImode); tree V4HI_type_node = build_vector_type_for_mode (intHI_type_node, V4HImode); - tree V8QI_type_node = build_vector_type_for_mode (intQI_type_node, V8QImode); + tree V8QI_type_node = build_vector_type_for_mode (char_type_node, V8QImode); tree V8HI_type_node = build_vector_type_for_mode (intHI_type_node, V8HImode); tree pchar_type_node = build_pointer_type (char_type_node); diff --git a/contrib/gcc/config/rs6000/altivec.h b/contrib/gcc/config/rs6000/altivec.h index dacb6d0b7441..dc9cb83dd784 100644 --- a/contrib/gcc/config/rs6000/altivec.h +++ b/contrib/gcc/config/rs6000/altivec.h @@ -332,7 +332,7 @@ NAME (T a1, U a2) \ __altivec_binary_pred(vec_cmplt, __builtin_vec_cmpgt (a2, a1)) __altivec_binary_pred(vec_cmple, - __builtin_altivec_cmpge (a2, a1)) + __builtin_vec_cmpge (a2, a1)) __altivec_scalar_pred(vec_all_in, __builtin_altivec_vcmpbfp_p (__CR6_EQ, a1, a2)) @@ -402,7 +402,7 @@ __altivec_scalar_pred(vec_any_nle, #undef __altivec_binary_pred #else #define vec_cmplt(a1, a2) __builtin_vec_cmpgt ((a2), (a1)) -#define vec_cmple(a1, a2) __builtin_altivec_vcmpgefp ((a2), (a1)) +#define vec_cmple(a1, a2) __builtin_vec_cmpge ((a2), (a1)) #define vec_all_in(a1, a2) __builtin_altivec_vcmpbfp_p (__CR6_EQ, (a1), (a2)) #define vec_any_out(a1, a2) __builtin_altivec_vcmpbfp_p (__CR6_EQ_REV, (a1), (a2)) diff --git a/contrib/gcc/config/rs6000/rs6000-c.c b/contrib/gcc/config/rs6000/rs6000-c.c index 5c6abd10b170..5be9cf3911ac 100644 --- a/contrib/gcc/config/rs6000/rs6000-c.c +++ b/contrib/gcc/config/rs6000/rs6000-c.c @@ -222,17 +222,17 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = { { ALTIVEC_BUILTIN_VEC_UNPACKH, ALTIVEC_BUILTIN_VUPKHSB, RS6000_BTI_V8HI, RS6000_BTI_V16QI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKH, ALTIVEC_BUILTIN_VUPKHSB, - RS6000_BTI_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, + RS6000_BTI_bool_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKH, ALTIVEC_BUILTIN_VUPKHSH, RS6000_BTI_V4SI, RS6000_BTI_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKH, ALTIVEC_BUILTIN_VUPKHSH, - RS6000_BTI_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKH, ALTIVEC_BUILTIN_VUPKHPX, RS6000_BTI_unsigned_V4SI, RS6000_BTI_pixel_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKHSH, ALTIVEC_BUILTIN_VUPKHSH, RS6000_BTI_V4SI, RS6000_BTI_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKHSH, ALTIVEC_BUILTIN_VUPKHSH, - RS6000_BTI_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKHPX, ALTIVEC_BUILTIN_VUPKHPX, RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKHPX, ALTIVEC_BUILTIN_VUPKHPX, @@ -240,17 +240,17 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = { { ALTIVEC_BUILTIN_VEC_VUPKHSB, ALTIVEC_BUILTIN_VUPKHSB, RS6000_BTI_V8HI, RS6000_BTI_V16QI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKHSB, ALTIVEC_BUILTIN_VUPKHSB, - RS6000_BTI_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, + RS6000_BTI_bool_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKL, ALTIVEC_BUILTIN_VUPKLSB, RS6000_BTI_V8HI, RS6000_BTI_V16QI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKL, ALTIVEC_BUILTIN_VUPKLSB, - RS6000_BTI_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, + RS6000_BTI_bool_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKL, ALTIVEC_BUILTIN_VUPKLPX, RS6000_BTI_unsigned_V4SI, RS6000_BTI_pixel_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKL, ALTIVEC_BUILTIN_VUPKLSH, RS6000_BTI_V4SI, RS6000_BTI_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_UNPACKL, ALTIVEC_BUILTIN_VUPKLSH, - RS6000_BTI_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKLPX, ALTIVEC_BUILTIN_VUPKLPX, RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKLPX, ALTIVEC_BUILTIN_VUPKLPX, @@ -258,11 +258,11 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = { { ALTIVEC_BUILTIN_VEC_VUPKLSH, ALTIVEC_BUILTIN_VUPKLSH, RS6000_BTI_V4SI, RS6000_BTI_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKLSH, ALTIVEC_BUILTIN_VUPKLSH, - RS6000_BTI_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_bool_V8HI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKLSB, ALTIVEC_BUILTIN_VUPKLSB, RS6000_BTI_V8HI, RS6000_BTI_V16QI, 0, 0 }, { ALTIVEC_BUILTIN_VEC_VUPKLSB, ALTIVEC_BUILTIN_VUPKLSB, - RS6000_BTI_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, + RS6000_BTI_bool_V8HI, RS6000_BTI_bool_V16QI, 0, 0 }, /* Binary AltiVec builtins. */ { ALTIVEC_BUILTIN_VEC_ADD, ALTIVEC_BUILTIN_VADDUBM, @@ -576,31 +576,23 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = { { ALTIVEC_BUILTIN_VEC_CMPEQ, ALTIVEC_BUILTIN_VCMPEQFP, RS6000_BTI_bool_V4SI, RS6000_BTI_V4SF, RS6000_BTI_V4SF, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPEQFP, ALTIVEC_BUILTIN_VCMPEQFP, - RS6000_BTI_V4SI, RS6000_BTI_V4SF, RS6000_BTI_V4SF, 0 }, - { ALTIVEC_BUILTIN_VEC_VCMPEQUW, ALTIVEC_BUILTIN_VCMPEQUW, - RS6000_BTI_V4SI, RS6000_BTI_V4SI, RS6000_BTI_V4SI, 0 }, - { ALTIVEC_BUILTIN_VEC_VCMPEQUW, ALTIVEC_BUILTIN_VCMPEQUW, - RS6000_BTI_V4SI, RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V4SI, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_V4SF, RS6000_BTI_V4SF, 0 }, + { ALTIVEC_BUILTIN_VEC_VCMPEQUW, ALTIVEC_BUILTIN_VCMPEQUW, RS6000_BTI_bool_V4SI, RS6000_BTI_V4SI, RS6000_BTI_V4SI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPEQUW, ALTIVEC_BUILTIN_VCMPEQUW, RS6000_BTI_bool_V4SI, RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V4SI, 0 }, - { ALTIVEC_BUILTIN_VEC_VCMPEQUH, ALTIVEC_BUILTIN_VCMPEQUH, - RS6000_BTI_V8HI, RS6000_BTI_V8HI, RS6000_BTI_V8HI, 0 }, - { ALTIVEC_BUILTIN_VEC_VCMPEQUH, ALTIVEC_BUILTIN_VCMPEQUH, - RS6000_BTI_V8HI, RS6000_BTI_unsigned_V8HI, RS6000_BTI_unsigned_V8HI, 0 }, + { ALTIVEC_BUILTIN_VEC_VCMPEQUH, ALTIVEC_BUILTIN_VCMPEQUH, RS6000_BTI_bool_V8HI, RS6000_BTI_V8HI, RS6000_BTI_V8HI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPEQUH, ALTIVEC_BUILTIN_VCMPEQUH, RS6000_BTI_bool_V8HI, RS6000_BTI_unsigned_V8HI, RS6000_BTI_unsigned_V8HI, 0 }, - { ALTIVEC_BUILTIN_VEC_VCMPEQUB, ALTIVEC_BUILTIN_VCMPEQUB, - RS6000_BTI_V16QI, RS6000_BTI_V16QI, RS6000_BTI_V16QI, 0 }, - { ALTIVEC_BUILTIN_VEC_VCMPEQUB, ALTIVEC_BUILTIN_VCMPEQUB, - RS6000_BTI_V16QI, RS6000_BTI_unsigned_V16QI, RS6000_BTI_unsigned_V16QI, 0 }, + { ALTIVEC_BUILTIN_VEC_VCMPEQUB, ALTIVEC_BUILTIN_VCMPEQUB, RS6000_BTI_bool_V16QI, RS6000_BTI_V16QI, RS6000_BTI_V16QI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPEQUB, ALTIVEC_BUILTIN_VCMPEQUB, RS6000_BTI_bool_V16QI, RS6000_BTI_unsigned_V16QI, RS6000_BTI_unsigned_V16QI, 0 }, + { ALTIVEC_BUILTIN_VEC_CMPGE, ALTIVEC_BUILTIN_VCMPGEFP, RS6000_BTI_bool_V4SI, RS6000_BTI_V4SF, RS6000_BTI_V4SF, 0 }, { ALTIVEC_BUILTIN_VEC_CMPGT, ALTIVEC_BUILTIN_VCMPGTUB, @@ -618,29 +610,29 @@ const struct altivec_builtin_types altivec_overloaded_builtins[] = { { ALTIVEC_BUILTIN_VEC_CMPGT, ALTIVEC_BUILTIN_VCMPGTFP, RS6000_BTI_bool_V4SI, RS6000_BTI_V4SF, RS6000_BTI_V4SF, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTFP, ALTIVEC_BUILTIN_VCMPGTFP, - RS6000_BTI_V4SI, RS6000_BTI_V4SF, RS6000_BTI_V4SF, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_V4SF, RS6000_BTI_V4SF, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTSW, ALTIVEC_BUILTIN_VCMPGTSW, - RS6000_BTI_V4SI, RS6000_BTI_V4SI, RS6000_BTI_V4SI, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_V4SI, RS6000_BTI_V4SI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTSW, ALTIVEC_BUILTIN_VCMPGTSW, RS6000_BTI_bool_V4SI, RS6000_BTI_V4SI, RS6000_BTI_V4SI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTUW, ALTIVEC_BUILTIN_VCMPGTUW, - RS6000_BTI_V4SI, RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V4SI, 0 }, + RS6000_BTI_bool_V4SI, RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V4SI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTUW, ALTIVEC_BUILTIN_VCMPGTUW, RS6000_BTI_bool_V4SI, RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V4SI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTSH, ALTIVEC_BUILTIN_VCMPGTSH, - RS6000_BTI_V8HI, RS6000_BTI_V8HI, RS6000_BTI_V8HI, 0 }, + RS6000_BTI_bool_V8HI, RS6000_BTI_V8HI, RS6000_BTI_V8HI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTSH, ALTIVEC_BUILTIN_VCMPGTSH, RS6000_BTI_bool_V8HI, RS6000_BTI_V8HI, RS6000_BTI_V8HI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTUH, ALTIVEC_BUILTIN_VCMPGTUH, - RS6000_BTI_V8HI, RS6000_BTI_unsigned_V8HI, RS6000_BTI_unsigned_V8HI, 0 }, + RS6000_BTI_bool_V8HI, RS6000_BTI_unsigned_V8HI, RS6000_BTI_unsigned_V8HI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTUH, ALTIVEC_BUILTIN_VCMPGTUH, RS6000_BTI_bool_V8HI, RS6000_BTI_unsigned_V8HI, RS6000_BTI_unsigned_V8HI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTSB, ALTIVEC_BUILTIN_VCMPGTSB, - RS6000_BTI_V16QI, RS6000_BTI_V16QI, RS6000_BTI_V16QI, 0 }, + RS6000_BTI_bool_V16QI, RS6000_BTI_V16QI, RS6000_BTI_V16QI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTSB, ALTIVEC_BUILTIN_VCMPGTSB, RS6000_BTI_bool_V16QI, RS6000_BTI_V16QI, RS6000_BTI_V16QI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTUB, ALTIVEC_BUILTIN_VCMPGTUB, - RS6000_BTI_V16QI, RS6000_BTI_unsigned_V16QI, RS6000_BTI_unsigned_V16QI, 0 }, + RS6000_BTI_bool_V16QI, RS6000_BTI_unsigned_V16QI, RS6000_BTI_unsigned_V16QI, 0 }, { ALTIVEC_BUILTIN_VEC_VCMPGTUB, ALTIVEC_BUILTIN_VCMPGTUB, RS6000_BTI_bool_V16QI, RS6000_BTI_unsigned_V16QI, RS6000_BTI_unsigned_V16QI, 0 }, { ALTIVEC_BUILTIN_VEC_CMPLE, ALTIVEC_BUILTIN_VCMPGEFP, diff --git a/contrib/gcc/cp/ChangeLog.gcc43 b/contrib/gcc/cp/ChangeLog.gcc43 index 701bea8e486e..24e79eea45d2 100644 --- a/contrib/gcc/cp/ChangeLog.gcc43 +++ b/contrib/gcc/cp/ChangeLog.gcc43 @@ -29,14 +29,23 @@ * decl.c (compute_array_index_type): New warning flag warn_vla. -2007-01-07 Manuel Lopez-Ibanez +2007-01-08 Mark Shinwell (r120572) + + * call.c (standard_conversion): Pass flag to + vector_types_convertible_p to disallow emission of note. + * typeck.c (convert_for_assignment): Pass flag to + vector_types_convertible_p to allow emission of note. + (ptr_reasonably_similar): Pass flag to vector_types_convertible_p + to disallow emission of note. + +2007-01-07 Manuel Lopez-Ibanez (r120558) PR c++/28986 * typeck.c (build_binary_op): Call overflow_warning if TREE_OVERFLOW_P is true for the result and not for any of the operands. -2007-01-05 Manuel Lopez-Ibanez +2007-01-05 Manuel Lopez-Ibanez (r120505) PR c/19978 * semantics.c (finish_unary_op_expr): Warn only if result diff --git a/contrib/gcc/cp/call.c b/contrib/gcc/cp/call.c index 848f3c894c8e..24b5d1fc3ec2 100644 --- a/contrib/gcc/cp/call.c +++ b/contrib/gcc/cp/call.c @@ -838,7 +838,7 @@ standard_conversion (tree to, tree from, tree expr, bool c_cast_p, conv->rank = cr_promotion; } else if (fcode == VECTOR_TYPE && tcode == VECTOR_TYPE - && vector_types_convertible_p (from, to)) + && vector_types_convertible_p (from, to, false)) return build_conv (ck_std, to, conv); else if (!(flags & LOOKUP_CONSTRUCTOR_CALLABLE) && IS_AGGR_TYPE (to) && IS_AGGR_TYPE (from) diff --git a/contrib/gcc/cp/typeck.c b/contrib/gcc/cp/typeck.c index 532598975d4e..d0334ddf5327 100644 --- a/contrib/gcc/cp/typeck.c +++ b/contrib/gcc/cp/typeck.c @@ -6229,7 +6229,7 @@ convert_for_assignment (tree type, tree rhs, coder = TREE_CODE (rhstype); if (TREE_CODE (type) == VECTOR_TYPE && coder == VECTOR_TYPE - && vector_types_convertible_p (type, rhstype)) + && vector_types_convertible_p (type, rhstype, true)) return convert (type, rhs); if (rhs == error_mark_node || rhstype == error_mark_node) @@ -6799,7 +6799,7 @@ ptr_reasonably_similar (tree to, tree from) continue; if (TREE_CODE (to) == VECTOR_TYPE - && vector_types_convertible_p (to, from)) + && vector_types_convertible_p (to, from, false)) return 1; if (TREE_CODE (to) == INTEGER_TYPE diff --git a/contrib/gcc/doc/invoke.texi b/contrib/gcc/doc/invoke.texi index 51ac30f0dfa5..24bf752778e8 100644 --- a/contrib/gcc/doc/invoke.texi +++ b/contrib/gcc/doc/invoke.texi @@ -167,7 +167,7 @@ in the following sections. -fno-asm -fno-builtin -fno-builtin-@var{function} @gol -fhosted -ffreestanding -fopenmp -fms-extensions @gol -trigraphs -no-integrated-cpp -traditional -traditional-cpp @gol --fallow-single-precision -fcond-mismatch @gol +-fallow-single-precision -fcond-mismatch -flax-vector-conversions @gol -fsigned-bitfields -fsigned-char @gol -funsigned-bitfields -funsigned-char} @@ -1337,6 +1337,12 @@ Allow conditional expressions with mismatched types in the second and third arguments. The value of such an expression is void. This option is not supported for C++. +@item -flax-vector-conversions +@opindex flax-vector-conversions +Allow implicit conversions between vectors with differing numbers of +elements and/or incompatible element types. This option should not be +used for new code. + @item -funsigned-char @opindex funsigned-char Let the type @code{char} be unsigned, like @code{unsigned char}.