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The test added by r16-1671-ge7ff8e8d77df74 passed despite using
regular expressions that would never match real assembly language
output from the compiler. Because the regular expressions were not
expected to match, and didn't, this was not noticeable; however,
it also made that part of the test useless.
The regular expressions have been fixed. Verified that the fixed
regular expressions do match assembly language output produced by
the compiler before the changes to ivopts in commit e7ff8e8d77d,
but do not match assembly language output produced by the compiler
after the changes to ivopts.
gcc/testsuite/ChangeLog:
* gcc.target/aarch64/sve/adr_7.c: Fix regular expressions.
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cost 0, 1 and 2
Add asm dump check test for vec_duplicate + vssubu.vv combine to
vssubu.vx, with the GR2VR cost is 0, 1 and 2.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/vx_vf/vx-4-u16.c: Add asm check
for vssubu.vx combine.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-4-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-4-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-4-u8.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-5-u16.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-5-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-5-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-5-u8.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-6-u16.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-6-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-6-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-6-u8.c: Ditto.
Signed-off-by: Pan Li <pan2.li@intel.com>
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cost 0, 2 and 15
Add asm dump check and run test for vec_duplicate + vssubu.vv
combine to vssubu.vx, with the GR2VR cost is 0, 2 and 15.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u16.c: Add asm check.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u8.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u16.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u8.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u16.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u8.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_binary.h: Add test
helper macros.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_binary_data.h: Add test
data for run test.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_vssub-run-1-u16.c: New test.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_vssub-run-1-u32.c: New test.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_vssub-run-1-u64.c: New test.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_vssub-run-1-u8.c: New test.
Signed-off-by: Pan Li <pan2.li@intel.com>
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The cost model change will make the default cost of vx to 2, thus
reconcile the asm check for this change.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/sat/vec_sat_u_sub_trunc-1-u16.c:
Update the asm check due to cost model change.
* gcc.target/riscv/rvv/autovec/sat/vec_sat_u_sub_trunc-1-u32.c:
Diito.
* gcc.target/riscv/rvv/autovec/sat/vec_sat_u_sub_trunc-1-u8.c:
Ditto.
Signed-off-by: Pan Li <pan2.li@intel.com>
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This patch would like to combine the vec_duplicate + vssubu.vv to the
vssubu.vx. From example as below code. The related pattern will depend
on the cost of vec_duplicate from GR2VR. Then the late-combine will
take action if the cost of GR2VR is zero, and reject the combination
if the GR2VR cost is greater than zero.
Assume we have example code like below, GR2VR cost is 0.
#define DEF_VX_BINARY(T, FUNC) \
void \
test_vx_binary (T * restrict out, T * restrict in, T x, unsigned n) \
{ \
for (unsigned i = 0; i < n; i++) \
out[i] = FUNC (in[i], x); \
}
T sat_sub(T a, T b)
{
return (a - b) & (-(T)(a >= b));
}
DEF_VX_BINARY(uint32_t, sat_sub)
Before this patch:
10 │ test_vx_binary_or_int32_t_case_0:
11 │ beq a3,zero,.L8
12 │ vsetvli a5,zero,e32,m1,ta,ma
13 │ vmv.v.x v2,a2
14 │ slli a3,a3,32
15 │ srli a3,a3,32
16 │ .L3:
17 │ vsetvli a5,a3,e32,m1,ta,ma
18 │ vle32.v v1,0(a1)
19 │ slli a4,a5,2
20 │ sub a3,a3,a5
21 │ add a1,a1,a4
22 │ vssubu.vv v1,v1,v2
23 │ vse32.v v1,0(a0)
24 │ add a0,a0,a4
25 │ bne a3,zero,.L3
After this patch:
10 │ test_vx_binary_or_int32_t_case_0:
11 │ beq a3,zero,.L8
12 │ slli a3,a3,32
13 │ srli a3,a3,32
14 │ .L3:
15 │ vsetvli a5,a3,e32,m1,ta,ma
16 │ vle32.v v1,0(a1)
17 │ slli a4,a5,2
18 │ sub a3,a3,a5
19 │ add a1,a1,a4
20 │ vssubu.vx v1,v1,a2
21 │ vse32.v v1,0(a0)
22 │ add a0,a0,a4
23 │ bne a3,zero,.L3
gcc/ChangeLog:
* config/riscv/riscv-v.cc (expand_vx_binary_vec_vec_dup): Add
new case US_MINUS.
* config/riscv/riscv.cc (riscv_rtx_costs): Ditto.
* config/riscv/vector-iterators.md: Add new op us_minus.
Signed-off-by: Pan Li <pan2.li@intel.com>
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Store the Exit_Code value and use that to generate
the Exceution_Successful value in the SARIF report.
gcc/ada/ChangeLog:
* comperr.adb (Compiler_Abort): Pass the exit code in calls to
Output_Messages.
* errout.adb (Output_Messages): Add new parameter for the
Exit_Code and store its value.
* errout.ads (Output_Messages): Likewise.
* erroutc-sarif_emitter.adb (Print_Invocations): Set
Execution_Successful based on the exit code.
* erroutc.ads (Exit_Code): Store the exit code value.
* gnat1drv.adb (Gnat1drv): Pass the exit code in calls to
Output_Messages.
* prepcomp.adb (Parse_Preprocessing_Data_File, Prpare_To_Preprocess):
Likewise.
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The description of the Has_Exit field in Einfo makes it pretty clear
that it can only be meaningful for loop entities. It was however defined
in all entities until this patch, which restricts this field to E_Loop.
gcc/ada/ChangeLog:
* gen_il-gen-gen_entities.adb (Gen_Entities): Tweak Has_Exit.
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Max_Size_In_Storage_Elements is supposed to return a value greater or
equal to what is passed for any heap allocation for an object of the
type. For a tagged type T, we don't know the allocation size for
descendants; therefore T'Class'Max_Size_In_Storage_Elements should
return a huge number. In particular, it now returns Storage_Count'Last,
which is greater than any possible heap allocation.
Previously, T'Class'Max_Size_In_Storage_Elements was returning
the same value as T'Max_Size_In_Storage_Elements, which was
wrong.
gcc/ada/ChangeLog:
* exp_attr.adb (Attribute_Max_Size_In_Storage_Elements):
Return Storage_Count'Last converted to universal_integer.
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gcc/ada/ChangeLog:
* doc/gnat_rm.rst: add entry point for the new chapter
* doc/gnat_rm/about_this_guide.rst: add reference to the new
chapter
* doc/gnat_rm/implementation_of_ada_2022_features.rst: new file
* doc/gnat_rm/implementation_of_ada_2012_features.rst: update
explanation about RM references
* gnat_rm.texi: Regenerate.
* gnat_ugn.texi: Regenerate.
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Before this patch, Check_Future_Keyword had hardcoded lists of what
reserved words were introduced in what versions of the Ada language
specification. This patch makes it use the classification in Snames
instead.
gcc/ada/ChangeLog:
* par-util.adb (Check_Future_Keyword): Use Snames subtypes. Extend
comment.
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This patch removes a comment that was left over when an exception
declaration was removed.
gcc/ada/ChangeLog:
* sem_ch5.adb (Analyze_Loop_Statement): Remove obsolete comment.
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Fixes this bug: If -gnatw.o is specified, it is ignored unless
-gnatwm is also specified (either directly, or as part of a
catch-all switch like -gnatwa).
gcc/ada/ChangeLog:
* sem_warn.adb (Warn_On_Useless_Assignments):
Enable Warn_On_Useless_Assignment in the case of
Warn_On_All_Unread_Out_Parameters.
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This patch slightly reorganizes Analyze_Subtype_Declaration so that the
proper Ekind of the new subtype's entity is set before anything else is
done with it. A new local subprogram is introduced in the process.
gcc/ada/ChangeLog:
* sem_ch3.adb (Analyze_Subtype_Declaration): Remove uses of E_Void.
(Copy_Parent_Attributes): New procedure.
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This patch remove calls to Set_Scope that have no effect because of
subsequent calls to Append_Entity, which calls Set_Scope itself.
gcc/ada/ChangeLog:
* cstand.adb (Make_Aliased_Component, Make_Formal, New_Operator,
Create_Standard): Remove useless calls.
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The extra digit returned by the function is supposed to be rounded, either
by Scan_Integral_Digits or by Scan_Decimal_Digits, but that is not the case
when it is the last digit read by Scan_Integral_Digits.
The problem is fixed by rounding it in Scan_Decimal_Digits in this case.
gcc/ada/ChangeLog:
* libgnat/s-valuer.adb (Scan_Decimal_Digits): Also pretend that the
precision limit was just reached if it was already reached.
(Scan_Integral_Digits): Add Extra_Rounded out parameter, set it to
False on entry and to True when Extra is rounded.
(Scan_Raw_Real): New Extra_Rounded local variable. Pass it in the
calls to Scan_Integral_Digits. If it is True, pass a dummy extra
digit to Scan_Decimal_Digits.
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Add an assertion policy to ignore the ghost predicates in
Ada.Strings.Superbounded.
gcc/ada/ChangeLog:
* libgnat/a-strsup.ads: Ignore Ghost_Predicate in the assertion policy.
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When an array of mutably tagged class-wide types is initialized
with an array aggregate, the compiler erroneously rejects it
reporting that the type of the aggregate cannot be a
class-wide type. In addition, Program_Error is not raised at
runtime on array type or record type objects when they have
mutably tagged abstract class-wide type components that are
initialized by default.
gcc/ada/ChangeLog:
* sem_aggr.adb (Resolve_Record_Aggregate): Adjust the code to
handle mutably tagged class-wide types since they don't have
discriminants, but all class-wide types are considered to have
unknown discriminants. Initialize mutably tagged class-wide
type components calling their IP subprogram.
* exp_aggr.adb (Gen_Assign): Handle mutably tagged class-wide type
components that have an initializing qualified expression, and
mutably tagged class-wide components default initialization.
(Gen_Loop): Handle mutably tagged class-wide types.
(Gen_Assign): ditto.
(Build_Record_Aggr_Code): Default initialization of mutably tagged
class-wide types is performed by their IP subprogram.
* exp_ch3.adb (Init_Component): Generate code to raise Program_Error
in the IP subprogram of arrays when the type of their components is
a mutably tagged abstract class-wide type.
(Build_Init_Procedure): ditto for the init procedure of record types.
(Build_Init_Statements): Ensure that the type of the expression
initializing a mutably class-wide tagged type component is frozen.
(Requires_Init_Proc): Mutably tagged class-wide types require the
init-proc since it takes care of their default initialization.
* sem_util.adb (Needs_Simple_Initialization): Mutably tagged class-wide
types don't require simple initialization.
* types.ads (PE_Abstract_Type_Component): New reason for Program_Error.
* types.h (PE_Abstract_Type_Component): ditto.
* exp_ch11.adb (Get_RT_Exception_Name): Handle new reason for
Program_Error.
* libgnat/a-except.adb (Rcheck_PE_Abstract_Type_Component): New
subprogram.
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Code cleanup; semantics is unaffected.
gcc/ada/ChangeLog:
* sem_util.ads (Get_Enclosing_Object, Get_Enum_Lit_From_Pos,
Is_Universal_Numeric_Type): Reorder declarations.
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This patch both makes GNAT emit warnings on unused assignments where previously
they were suppressed for obscure reasons and synchronizes routine
Get_Enclosing_Object with a similar routine in GNATprove (which differs in
handling of explicit dereferences).
gcc/ada/ChangeLog:
* sem_util.adb (Get_Enclosing_Object): Traverse unchecked type
conversions since they from the compiler and should be transparent for
semantic reasoning.
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Add to the previous fix for this issue to better handle cases where
GNATProve calls Einfo.Utils.Predicate_Function, passing in an Itype.
gcc/ada/ChangeLog:
* einfo-utils.adb (Predicate_Function): Look through an Itype if
that takes us to another subtype of the same type.
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The initial set of changes for doing proper mapping of calls to primitive
functions in Pre/Post'Class aspects inherited by derived types was not
handling some cases (such as when formals are referenced as part of
dereferences, certain aspects such as 'Old and 'Access, and conditional
and declare expressions), and mishandling other cases (such as nested
function calls).
This set of changes attempts to properly address those cases. It also
includes a change to suppress unneeded (and sometimes wrong) accessibility
checks on conversions of actual parameters of a derived type to the parent
type when passing them on calls to parent primitives (encountered while
developing these changes).
gcc/ada/ChangeLog:
* exp_util.adb (Must_Map_Call_To_Parent_Primitive): Change function
name (was Call_To_Parent_Dispatching_Op_Must_Be_Mapped). Move logic
for attributes and dereferences, plus testing for controlled formals,
into new function Expr_Has_Ctrl_Formal_Ref. Add handling for
access attributes, multiple levels of attributes/dereferences,
conditional_expressions, and declare_expressions. Properly account
for function calls with multiple operands and enclosing calls.
(Expr_Has_Ctrl_Formal_Ref): New function to determine whether
an expression is a reference to a controlling formal or has
a prefix that is such a reference.
(Is_Controlling_Formal_Ref): New function in Expr_Has_Ctrl_Formal_Ref
to determine if a node is a direct reference to a controlling formal.
* freeze.adb (Build_DTW_Body): Create an unchecked conversion instead
of a regular type conversion for converting actuals in calls to parent
inherited primitives that are wrapped for inherited pre/postconditions.
Avoids generating unnecessary checks (such as accessibility checks on
conversions for anonymous access formals).
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Detection of ghost entities work similarly for names of objects (in assignment
statements) and for names of subprograms (in subprogram calls). Tune routine
name and its comment to match this similarity.
gcc/ada/ChangeLog:
* sem_util.ads (Get_Enclosing_Ghost_Entity): Rename spec.
* sem_util.adb (Get_Enclosing_Ghost_Object): Rename body; reorder
alphabetically; adapt recursive call.
* ghost.adb: Adapt calls to Get_Enclosing_Ghost_Object.
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When name of a called procedure involves unusual constructs, e.g. type
conversions (like in "Typ (Obj).all"), we must look at the outermost construct
to decide whether the name denotes a ghost entity.
gcc/ada/ChangeLog:
* ghost.adb (Ghost_Entity): Remove; use Get_Enclosing_Ghost_Object
instead; adapt callers.
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This happens when the record type has an incomplete declaration before its
full declaration and is fixed by calling Find_Type appropriately.
gcc/ada/ChangeLog:
* sem_prag.adb (Analyze_Pragma) <Pragma_No_Component_Reordering>:
Call Find_Type on the first argument of the pragma.
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gcc/ada/ChangeLog:
* gnatls.adb: remove -l switch
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Update GNAT RM documentation of the Size'Class aspect.
gcc/ada/ChangeLog:
* doc/gnat_rm/gnat_language_extensions.rst: Update documentation for
mutably tagged types and the Size'Class aspect.
* gnat_rm.texi: Regenerate.
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Remove duplicated and inconsistent code for detecting ghost objects on the
left-hand side of assignment statements. Fix detection in the presence of
attribute references (e.g. "X'Access.all"), function calls (e.g. "F.all"),
qualified expressions (e.g. "T'(new Integer'(0)).all") and unchecked type
conversions (which come from expansion).
gcc/ada/ChangeLog:
* ghost.adb
(Whole_Object_Ref): Remove; use Get_Enclosing_Ghost_Object instead.
(Is_Ghost_Assignment): Handle more than object identifiers.
(Mark_And_Set_Ghost_Assignment): Likewise.
* sem_util.adb (Get_Enclosing_Ghost_Object): Detect more expressions
as ghost references; rename to better match the intended meaning.
* sem_util.ads (Get_Enclosing_Ghost_Object): Rename; adjust comment.
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It exposed a small loophole in the Backend_Processing_Possible predicate.
gcc/ada/ChangeLog:
* exp_aggr.adb (Backend_Processing_Possible.Component_Check): Return
False for delayed conditional expressions.
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...in aggregates. This prevents a temporary from being created on the
primary stack to hold the result of the function calls before it is copied
to the component of the aggregate in the nonlimited by-reference case.
This requires a small tweak to Check_Function_Writable_Actuals to avoid
giving a spurious error in a specific case.
gcc/ada/ChangeLog:
* exp_aggr.ads (Parent_Is_Regular_Aggregate): New predicate.
* exp_aggr.adb (In_Place_Assign_OK.Safe_Component): Implement more
accurate criterion for function calls.
(Convert_To_Assignments): Use Parent_Is_Regular_Aggregate predicate.
(Expand_Array_Aggregate): Likewise. Remove obsolete comment.
(Initialize_Component): Do not adjust when the expression is a naked
function call and Back_End_Return_Slot is True.
(Parent_Is_Regular_Aggregate): New predicate.
* exp_ch3.adb (Build_Record_Init_Proc.Build_Assignment): Add test of
Back_End_Return_Slot in conjunction with a function call.
* exp_ch4.adb (Expand_Allocator_Expression): Likewise. Use the
Is_Container_Aggregate predicate to detect container aggregates.
(Expand_N_Case_Expression): Delay the expansion if the parent is a
regular aggregate and the type should not be copied.
(Expand_N_If_Expression): Likewise.
(New_Assign_Copy): New function.
* exp_ch6.adb (Expand_Ctrl_Function_Call): Bail out when the parent
is a regular aggregate.
* sem_util.adb (Check_Function_Writable_Actuals): Do not take into
account attribute references created by the compiler.
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GCC 14 is stricter about type conversions. Taking the address of an
array and decaying the array to a pointer to its first element yield
the same address, but the types are no longer considered compatible.
The socket data structures want decayed pointers rather than addresses
of arrays, so drop the '&'s.
gcc/ada/ChangeLog:
* socket.c [__vxworks]
(__gnat_gethostbyname): Drop excess '&'.
(__gnat_gethostbyaddr): Likewise.
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A vxworks-specific part of adaint.c calls isalpha without including
ctype.h. gcc-14 rejects calls of undeclared functions. Include the
required header file when compiling for vxworks.
gcc/ada/ChangeLog:
* adaint.c [__vxworks]: Include ctype.h.
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If a type T has a partial view with a known_discriminant_part and no
user-specified Put_Image aspect specification, then the output generated
by T'Put_Image would incorrectly omit the discriminant values.
gcc/ada/ChangeLog:
* exp_put_image.adb (Build_Record_Put_Image_Procedure): If
Discriminant_Specifications takes us from the full view of a type
to an (intentionally) unanalyzed subtree, then instead find
discriminant entities by calling Discriminant_Specifications on
the partial view of the type.
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This patch fixes a crash on some subprograms with anonymous
access-to-subprogram parameters by removing delayed freezing of
subprograms in some cases where it wasn't necessary. The -gnatD output
for itypes is also improved.
gcc/ada/ChangeLog:
* sem_ch6.adb (Check_Delayed_Subprogram, Possible_Freeze): Restrict
cases where freezing is delayed.
* sem_ch6.ads (Check_Delayed_Subprogram): Improve documentation
comment.
* sprint.adb (Write_Itype): Improve output.
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The second condition of the conjunction is redundant with the first.
gcc/ada/ChangeLog:
* libgnat/s-valrea.adb (Integer_to_Real): Rename to...
(Integer_To_Real): ...this. Remove the second condition of the
conjunction in the test for the zero value.
(Scan_Real): Adjust to above renaming.
(Value_Real): Likewise.
* libgnat/s-valuer.ads (Scan_Raw_Real): Add note about Val.
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gcc/ada/ChangeLog:
* doc/gnat_ugn/gnat_and_program_execution.rst: Fix a
couple of minor formatting issues.
* gnat_ugn.texi: Regenerate.
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This patchs adds two pn-like subprograms that print entity chains.
gcc/ada/ChangeLog:
* treepr.ads (Print_Entity_Chain, pec, rpec): New subprograms.
* treepr.adb (Print_Entity_Chain, pec, rpec): Likewise.
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gcc/ada/ChangeLog:
* atree.ads (Parent_Or_List_Containing): Fix typo.
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Before this patch, Print_Node failed to honor its Prefix_Char formal
parameter when printing the Parent field. This had no consequences
because Prefix_Char was only used to print members of Nlists, and those
don't have a parent in the tree. But this patch fixes it anyway in
preparation for new debug printing features.
gcc/ada/ChangeLog:
* treepr.adb (Print_Node): Tweak Parent field printing.
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gcc/ada/ChangeLog:
* doc/gnat_ugn/gnat_and_program_execution.rst: Add the
documentation about using sanitizers with Ada code.
* gnat_ugn.texi: Regenerate.
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gcc/ada/ChangeLog:
* doc/gnat_ugn/gnat_and_program_execution.rst: Add the
documentation about using sanitizers with Ada code.
* gnat_ugn.texi: Regenerate.
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The dead branch in routine Get_Enclosing_Object was most likely some
experiment from the early days of GNATprove. This routine is meant
to be called with the LHS of an assignment statement where an implicit
dereference is always rewritten into explicit one, regardless if code
is generated.
gcc/ada/ChangeLog:
* sem_util.adb (Get_Enclosing_Object): Remove dead code.
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Clean up problematic interactions between Itype subtypes and predicates,
which were causing required predicate checks to be (incorrectly) omitted.
gcc/ada/ChangeLog:
* einfo-utils.adb (Predicate_Function): Improve handling of a case
where a predicate specified for a subtype of a partial view of a
type was incorrectly ignored.
(Set_Predicate_Function): If the attribute has already been set to
the same value, then do nothing (instead of raising P_E).
* sem_ch13.adb (Build_Predicate_Function): Add new function
Has_Source_Predicate. If a subtype inherits a predicate but also
has its own explicitly specified predicate, then avoid
misinterpreting the presence of the function built for the
inherited predicate to mean that no additional predicate function
is needed.
* sem_util.adb (Build_Subtype): In the case where we are given a
constrained record or array subtype and we need to construct a
different subtype, subject to a different constraint, the
subtype_mark of the constructed subtype needs to reference an
unconstrained subtype (because a new constraint is going to be
imposed). If the Predicated_Parent attribute of the given subtype
is present and refers to a suitable unconstrained subtype, then
use that subtype instead of setting the Predicated_Parent
attribute on a new node (and performing the associated attribute
copying).
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That's a regression introduced by the rewrite of the finalization machinery,
in the form of dangling references to Master_Node entities remaining in the
tree after the removal of the ignored Ghost code.
gcc/ada/ChangeLog:
* exp_ch7.adb (Process_Transient_In_Scope): Bail out if the object
is an ignored ghost entity.
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This happens for the default expression of a controlled component when an
aggregate is used for the record type, because of a freeze node generated
for the expression within an artificial block that is needed to implement
the cleanup actions attached to the assignment of the component.
This is fixed by extending the special treatment applied to freeze nodes
by Insert_Actions, in the case of loops generated for aggregates, to the
case of blocks generated for aggregates.
gcc/ada/ChangeLog:
* exp_util.adb (Insert_Actions): Extend special treatment applied
to freeze nodes to the case of blocks generated for aggregates.
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The Ada coding style requires the use of short circuit forms in
if-statements. Use this form consistently for all if-statements.
gcc/ada/ChangeLog:
* libgnat/s-valuer.adb: Switch missing if-statements to
short-circuit form.
* libgnat/i-cpoint.adb: Ditto.
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PR109116 reveals missed optimizations when using unspecs to extract
vector components from opaque-mode variables. Since RTL optimizers do
not understand unspecs, this leads to redundant register copies. Replace
unspecs with subregs, which are well understood by RTL passes, allowing
optimizations to take place.
2025-06-30 Peter Bergner <bergner@linux.ibm.com>
gcc/
PR target/109116
* config/rs6000/mma.md (unspec): Delete UNSPEC_MMA_EXTRACT.
(vsx_disassemble_pair): Expand into a vector register sized subreg.
(mma_disassemble_acc): Likewise.
(*vsx_disassemble_pair): Delete.
(*mma_disassemble_acc): Likewise.
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Most testcase in rvv folder already ignore -Oz, but some of them
are not. This patch makes them consistent.
gcc/testsuite/ChangeLog.
* gcc.target/riscv/rvv/vsetvl/avl_single-21.c: Ignore -Oz.
* gcc.target/riscv/rvv/vsetvl/avl_single-26.c: Ditto.
* gcc.target/riscv/rvv/vsetvl/avl_single-36.c: Ditto.
* gcc.target/riscv/rvv/vsetvl/avl_single-39.c: Ditto.
* gcc.target/riscv/rvv/vsetvl/avl_single-41.c: Ditto.
* gcc.target/riscv/rvv/vsetvl/vsetvl-22.c: Ditto.
* gcc.target/riscv/rvv/vsetvl/vsetvlmax-15.c: Ditto.
* gcc.target/riscv/rvv/vsetvl/vsetvlmax-2.c: Ditto.
* gcc.target/riscv/rvv/vsetvl/vsetvlmax-4.c: Ditto.
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This commit introduces a primary vector pipeline model for the SiFive 7
series, that pipeline model is kind of simplified version, it only
defined vector command queue, arithmetic unit, and vector load store
unit.
The latency of real hardware is LMUL-aware, but I realize that will
complicate the model a lots, so I just use a simplified version, which
all LMUL use same latency, we may improve it later once we have found
meaningful performance difference.
gcc/ChangeLog:
* config/riscv/sifive-7.md: Add primary vector pipeline model
for SiFive 7 series.
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pipeline model [PR120659]
gcc/ChangeLog:
PR target/120659
* config/riscv/sifive-7.md: Add B extension, fp16 and missing
scalar instruction type for sifive-7 pipeline model.
gcc/testsuite/ChangeLog:
PR target/120659
* gcc.target/riscv/pr120659.c: New test.
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The following adds SLP build operand swapping for .FMA which is
a ternary operator and a call. The current code only handles
binary operators in assignments, thus the patch extends this to
handle both calls and assignments as well as binary and ternary
operators.
* tree-vect-slp.cc (vect_build_slp_2): Handle ternary
and call operators when swapping operands.
* gcc.target/i386/vect-pr82426.c: Pass explicit -ffp-contract=fast.
* gcc.target/i386/vect-pr82426-2.c: New testcase variant with
-ffp-contract=on.
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