Optimize process_heap_alloc
#122326
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Optimize process_heap_alloc
#122326
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That's really great, thanks! @bors r+ rollup |
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Rollup of 9 pull requests Successful merges: - rust-lang#121148 (Add slice::try_range) - rust-lang#121633 (Win10: Use `GetSystemTimePreciseAsFileTime` directly) - rust-lang#121840 (Expose the Freeze trait again (unstably) and forbid implementing it manually) - rust-lang#121907 (skip sanity check for non-host targets in `check` builds) - rust-lang#122002 (std::threads: revisit stack address calculation on netbsd.) - rust-lang#122108 (Add `target.*.runner` configuration for targets) - rust-lang#122298 (RawVec::into_box: avoid unnecessary intermediate reference) - rust-lang#122315 (Allow multiple `impl Into<{D,Subd}iagMessage>` parameters in a function.) - rust-lang#122326 (Optimize `process_heap_alloc`) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#122326 - Zoxc:win-alloc-tweak, r=ChrisDenton Optimize `process_heap_alloc` This optimizes `process_heap_alloc` introduced in rust-lang#120205. From: ``` .text:0000000180027ED0 ; std::sys::pal::windows::alloc::process_heap_alloc::h703a613b3e25ff93 .text:0000000180027ED0 public _ZN3std3sys3pal7windows5alloc18process_heap_alloc17h703a613b3e25ff93E .text:0000000180027ED0 _ZN3std3sys3pal7windows5alloc18process_heap_alloc17h703a613b3e25ff93E proc near .text:0000000180027ED0 ; CODE XREF: std::sys::pal::common::alloc::realloc_fallback::hc4c96b4c24d03e77+23↑p .text:0000000180027ED0 ; std::sys::pal::common::alloc::realloc_fallback::hc4c96b4c24d03e77+55↑p ... .text:0000000180027ED0 push rsi .text:0000000180027ED1 push rdi .text:0000000180027ED2 sub rsp, 28h .text:0000000180027ED6 mov rsi, rdx .text:0000000180027ED9 mov edi, ecx .text:0000000180027EDB mov rcx, cs:_ZN3std3sys3pal7windows5alloc4HEAP17hb53ca4010cc29b62E ; std::sys::pal::windows::alloc::HEAP::hb53ca4010cc29b62 .text:0000000180027EE2 test rcx, rcx .text:0000000180027EE5 jnz short loc_180027EFC .text:0000000180027EE7 call cs:__imp_GetProcessHeap .text:0000000180027EED test rax, rax .text:0000000180027EF0 jz short loc_180027F0E .text:0000000180027EF2 mov rcx, rax .text:0000000180027EF5 mov cs:_ZN3std3sys3pal7windows5alloc4HEAP17hb53ca4010cc29b62E, rax ; std::sys::pal::windows::alloc::HEAP::hb53ca4010cc29b62 .text:0000000180027EFC .text:0000000180027EFC loc_180027EFC: ; CODE XREF: std::sys::pal::windows::alloc::process_heap_alloc::h703a613b3e25ff93+15↑j .text:0000000180027EFC mov edx, edi .text:0000000180027EFE mov r8, rsi .text:0000000180027F01 add rsp, 28h .text:0000000180027F05 pop rdi .text:0000000180027F06 pop rsi .text:0000000180027F07 jmp cs:__imp_HeapAlloc .text:0000000180027F0E ; --------------------------------------------------------------------------- .text:0000000180027F0E .text:0000000180027F0E loc_180027F0E: ; CODE XREF: std::sys::pal::windows::alloc::process_heap_alloc::h703a613b3e25ff93+20↑j .text:0000000180027F0E xor eax, eax .text:0000000180027F10 add rsp, 28h .text:0000000180027F14 pop rdi .text:0000000180027F15 pop rsi .text:0000000180027F16 retn .text:0000000180027F16 _ZN3std3sys3pal7windows5alloc18process_heap_alloc17h703a613b3e25ff93E endp ``` to ``` .text:0000000180027EE0 ; std::sys::pal::windows::alloc::process_heap_alloc::h70f9d61a631e5c16 .text:0000000180027EE0 public _ZN3std3sys3pal7windows5alloc18process_heap_alloc17h70f9d61a631e5c16E .text:0000000180027EE0 _ZN3std3sys3pal7windows5alloc18process_heap_alloc17h70f9d61a631e5c16E proc near .text:0000000180027EE0 ; CODE XREF: std::sys::pal::common::alloc::realloc_fallback::hc4c96b4c24d03e77+23↑p .text:0000000180027EE0 ; std::sys::pal::common::alloc::realloc_fallback::hc4c96b4c24d03e77+54↑p ... .text:0000000180027EE0 mov rcx, cs:_ZN3std3sys3pal7windows5alloc4HEAP17hb53ca4010cc29b62E ; std::sys::pal::windows::alloc::HEAP::hb53ca4010cc29b62 .text:0000000180027EE7 test rcx, rcx .text:0000000180027EEA jz short loc_180027EF3 .text:0000000180027EEC jmp cs:__imp_HeapAlloc .text:0000000180027EF3 ; --------------------------------------------------------------------------- .text:0000000180027EF3 .text:0000000180027EF3 loc_180027EF3: ; CODE XREF: std::sys::pal::windows::alloc::process_heap_alloc::h70f9d61a631e5c16+A↑j .text:0000000180027EF3 mov ecx, edx .text:0000000180027EF5 mov rdx, r8 .text:0000000180027EF8 jmp std__sys__pal__windows__alloc__process_heap_init_and_alloc .text:0000000180027EF8 _ZN3std3sys3pal7windows5alloc18process_heap_alloc17h70f9d61a631e5c16E endp ``` r? `@ChrisDenton`
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This optimizes
process_heap_allocintroduced in #120205.From:
to
r? @ChrisDenton