https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118220
--- Comment #3 from Jonathan Gruber ---
(In reply to Richard Biener from comment #2)
> I think we discussed replacing if (!p) with if (size > N) with some special N
> but disregarded it with a reason I don't exactly remember.
>
> Yes, the testc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118220
Bug ID: 118220
Summary: Optimization of malloc/free Produces Undefined
Behavior
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Prior
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118115
Bug ID: 118115
Summary: Missed Optimization: Failure to Elide Branch When
Copying Overlapping Union Members
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
Se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118109
Bug ID: 118109
Summary: RISC-V: Empty Variadic Function Redundantly Pushes
Argument Registers onto Stack
Product: gcc
Version: 14.2.0
Status: UNCONFIRMED
Sever
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118098
Bug ID: 118098
Summary: Missed Optimization of memcpy into Unconditional
Branch
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
Severity: normal
Pri
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118094
--- Comment #3 from Jonathan Gruber ---
Created attachment 59899
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59899&action=edit
Test case preprocessed for riscv64.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118094
--- Comment #2 from Jonathan Gruber ---
Created attachment 59898
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59898&action=edit
Test case preprocessed for aarch64.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118094
Jonathan Gruber changed:
What|Removed |Added
CC||jonathan.gruber.jg at gmail
dot co
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118094
Bug ID: 118094
Summary: Missed Optimization of memcpy-Like Loop
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092
--- Comment #9 from Jonathan Gruber ---
(In reply to Andrew Pinski from comment #4)
> The riscv with noap is a target specific issue.
Should I file a new riscv-specific bug for that?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092
--- Comment #7 from Jonathan Gruber ---
(In reply to Jonathan Gruber from comment #5)
> Sorry, was it me who changed the component category, or someone else?
I think someone changed it to middle-end? I was not sure if I did so when I
filed to b
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092
--- Comment #5 from Jonathan Gruber ---
Sorry, was it me who changed the component category, or someone else?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092
Bug ID: 118092
Summary: Missed Optimization of Variadic Functions
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092
--- Comment #3 from Jonathan Gruber ---
Created attachment 59896
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59896&action=edit
Test case preprocessed for riscv64.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092
--- Comment #2 from Jonathan Gruber ---
Created attachment 59895
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59895&action=edit
Test case preprocessed for aarch64.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118092
--- Comment #1 from Jonathan Gruber ---
Created attachment 59894
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59894&action=edit
Test case preprocessed for x86_64.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118091
Bug ID: 118091
Summary: Missed Optimization in Creating Medium-Sized Struct
and Passing It as Parameter
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
Severi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118086
--- Comment #1 from Jonathan Gruber ---
Created attachment 59892
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59892&action=edit
Minimal test case, medium-sized struct
I also tested this with a medium-sized struct. I have attached the ne
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118086
Bug ID: 118086
Summary: Missed Optimization: Redundant Copying of Large Struct
Parameter onto Stack
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
Severity:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118076
--- Comment #6 from Jonathan Gruber ---
Created attachment 59888
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59888&action=edit
Minimal test case, non-tail call.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118076
--- Comment #5 from Jonathan Gruber ---
For completeness, I also checked for when the call to the struct-accepting
function is not a tail call. This is just the same test case as before, but the
return value of extern_func is bitwise negated to
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118076
Bug ID: 118076
Summary: Missed Optimization: Inefficient Stack Usage in
Creating and Passing Large Struct Argument
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117862
--- Comment #3 from Jonathan Gruber ---
(In reply to Andrew Pinski from comment #1)
> https://gcc.gnu.org/onlinedocs/gcc-14.2.0/gcc/Optimize-Options.html#index-
> fsemantic-interposition
>
> This is by design. You need -fno-semantic-interpositi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117862
Bug ID: 117862
Summary: Missed Optimization: Failure to Inline Functions When
Generating Position-Independent Code (PIC)
Product: gcc
Version: 14.2.1
Status: UNCONFIRMED
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