Rollup of 17 pull requests by JonathanBrouwer · Pull Request #161066 · rust-lang/rust

JonathanBrouwer · 2026-08-13T19:01:04Z

Successful merges:

stdarch subtree update #161045 (stdarch subtree update)
allocator: refactor for stabilisation #157428 (allocator: refactor for stabilisation)
x86_64-win: Enable f128 on LLVM 23+ #158918 (x86_64-win: Enable f128 on LLVM 23+)
rustdoc: use anonymous constant for primitives/keywords/attribute docs #160288 (rustdoc: use anonymous constant for primitives/keywords/attribute docs)
Couple of misc improvements to the unwind infrastructure #160440 (Couple of misc improvements to the unwind infrastructure)
PowerPC inline ASM: Fix scalar floats being in the wrong vector lane on little endian #160441 (PowerPC inline ASM: Fix scalar floats being in the wrong vector lane on little endian)
tidy: Update Python version requirements to 3.11 #160896 (tidy: Update Python version requirements to 3.11)
std: map ERROR_NEGATIVE_SEEK to ErrorKind::InvalidInput on Windows #160972 (std: map ERROR_NEGATIVE_SEEK to ErrorKind::InvalidInput on Windows)
Optimize CStr backing slice bounds checks #161040 (Optimize CStr backing slice bounds checks)
check mut-restriction when tuple constructor is used as a value #160928 (check mut-restriction when tuple constructor is used as a value)
give layout errors from size_of_val and align_of_val a span #160969 (give layout errors from size_of_val and align_of_val a span)
disallow #[cold] on extern "custom" functions #161002 (disallow #[cold] on extern "custom" functions)
Fix invalid suggestion from try unlabled block #161016 (Fix invalid suggestion from try unlabled block)
io: Use NonNull for all Custom API related to Box, update documentation for Custom #161020 (io: Use NonNull for all Custom API related to Box, update documentation for Custom)
rustc-dev-guide subtree update #161044 (rustc-dev-guide subtree update)
Enable unrolling feature of bors #161046 (Enable unrolling feature of bors)
rustdoc: Fix link title attribute value when field of enum variants #161054 (rustdoc: Fix link title attribute value when field of enum variants)

r? @ghost

Create a similar rollup

…e tool

Document `./x build --timings`

Add LLM guidance, based on the new rl/r policy

…work

Fix llm-guidance chapter file structure

…on little endian

they projected into a scalable vector, which hits assertions

JonathanBrouwer · 2026-08-13T19:01:14Z

@bors r+ p=5

Trying commonly failed jobs
@bors try jobs=dist-various-1,test-various,x86_64-gnu-aux,x86_64-gnu-llvm-21-3,x86_64-msvc-1,aarch64-apple-1,aarch64-apple-2,x86_64-mingw-1,i686-msvc-1,i686-msvc-2

rust-bors · 2026-08-13T19:01:16Z

📌 Commit 48e03f7 has been approved by JonathanBrouwer

It is now in the queue for this repository.

Rollup of 17 pull requests try-job: dist-various-1 try-job: test-various try-job: x86_64-gnu-aux try-job: x86_64-gnu-llvm-21-3 try-job: x86_64-msvc-1 try-job: aarch64-apple-1 try-job: aarch64-apple-2 try-job: x86_64-mingw-1 try-job: i686-msvc-1 try-job: i686-msvc-2

…uwer Rollup of 17 pull requests Successful merges: - #161045 (stdarch subtree update) - #157428 (allocator: refactor for stabilisation) - #158918 (x86_64-win: Enable f128 on LLVM 23+) - #160288 (rustdoc: use anonymous constant for primitives/keywords/attribute docs) - #160440 (Couple of misc improvements to the unwind infrastructure) - #160441 (PowerPC inline ASM: Fix scalar floats being in the wrong vector lane on little endian) - #160896 (tidy: Update Python version requirements to 3.11) - #160972 (std: map ERROR_NEGATIVE_SEEK to ErrorKind::InvalidInput on Windows) - #161040 (Optimize CStr backing slice bounds checks) - #160928 (check `mut`-restriction when tuple constructor is used as a value) - #160969 (give layout errors from `size_of_val` and `align_of_val` a span) - #161002 (disallow `#[cold]` on `extern "custom"` functions) - #161016 (Fix invalid suggestion from try unlabled block) - #161020 (io: Use `NonNull` for all `Custom` API related to `Box`, update documentation for `Custom`) - #161044 (rustc-dev-guide subtree update) - #161046 (Enable unrolling feature of bors) - #161054 (rustdoc: Fix link title attribute value when field of enum variants)

rust-log-analyzer · 2026-08-13T21:58:20Z

The job i686-gnu-nopt-1 failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)


---- [assembly] tests/assembly-llvm/asm/powerpc-types.rs#powerpc64_power8 stdout ----
------FileCheck stdout------------------------------

------FileCheck stderr------------------------------
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:63:17: error: power8-NEXT: expected string not found in input
// power8-NEXT: xscvspdp 1, [[#INPUT]]
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:16:6: note: scanning from here
 #APP
     ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:16:6: note: with "INPUT" equal to "1"
 #APP
     ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:17:2: note: possible intended match here
 xscvspdp 0, 1
 ^
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:78:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: #APP
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:43:2: note: 'next' match was here
 #APP
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:40:16: note: previous match ended here
 .cfi_startproc
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:41:1: note: non-matching line after previous match is here
 xxlor 34, 1, 1
^

Input file: /checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s
Check file: /checkout/tests/assembly-llvm/asm/powerpc-types.rs

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1:  .file "powerpc_types.53eb200b48c12b6-cgu.0" 
           2:  .section .text.f32_to_f64,"ax",@progbits 
           3:  .globl f32_to_f64 
           4:  .p2align 2 
           5:  .type f32_to_f64,@function 
           6:  .section .opd,"aw",@progbits 
           7: f32_to_f64: 
           8:  .p2align 3, 0x0 
           9:  .quad .Lfunc_begin0 
          10:  .quad .TOC.@tocbase 
          11:  .quad 0 
          12:  .section .text.f32_to_f64,"ax",@progbits 
          13: .Lfunc_begin0: 
          14:  .cfi_startproc 
          15:  xscvdpspn 1, 1 
          16:  #APP 
next:63'0         {   search range start (exclusive)
next:63'1             error: no match found in search range
next:63'2             with "INPUT" equal to "1"
          17:  xscvspdp 0, 1 
next:63'3      ?               possible intended match
          18:  #NO_APP 
          19:  stfd 0, -8(1) 
          20:  lfd 1, -8(1) 
          21:  blr 
          22:  .long 0 
          23:  .quad 0 
          24: .Lfunc_end0: 
          25:  .size f32_to_f64, .Lfunc_end0-.Lfunc_begin0 
          26:  .cfi_endproc 
          27:  
          28:  .section .text.f64_to_f32,"ax",@progbits 
          29:  .globl f64_to_f32 
          30:  .p2align 2 
          31:  .type f64_to_f32,@function 
          32:  .section .opd,"aw",@progbits 
          33: f64_to_f32: 
next:63'4                }  search range end (exclusive)
          34:  .p2align 3, 0x0 
          35:  .quad .Lfunc_begin1 
          36:  .quad .TOC.@tocbase 
          37:  .quad 0 
          38:  .section .text.f64_to_f32,"ax",@progbits 
          39: .Lfunc_begin1: 
          40:  .cfi_startproc 
next:78'0                   {   search range start (exclusive)
          41:  xxlor 34, 1, 1 
          42:  xxlor 1, 34, 34 
          43:  #APP 
next:78'1      !~~~   error: match on wrong line
          44:  xscvdpsp 0, 1 
          45:  #NO_APP 
          46:  xxsldwi 0, 0, 0, 3 
          47:  addi 3, 1, -4 
          48:  stfiwx 0, 0, 3 
          49:  lfs 1, -4(1) 
          50:  blr 
          51:  .long 0 
          52:  .quad 0 
          53: .Lfunc_end1: 
          54:  .size f64_to_f32, .Lfunc_end1-.Lfunc_begin1 
          55:  .cfi_endproc 
          56:  
          57:  .section .text.reg_i8,"ax",@progbits 
          58:  .globl reg_i8 
          59:  .p2align 2 
          60:  .type reg_i8,@function 
          61:  .section .opd,"aw",@progbits 
          62: reg_i8: 
next:78'2            }  search range end (exclusive)
          63:  .p2align 3, 0x0 
          64:  .quad .Lfunc_begin2 
          65:  .quad .TOC.@tocbase 
          66:  .quad 0 
          67:  .section .text.reg_i8,"ax",@progbits 
          68: .Lfunc_begin2: 
          69:  .cfi_startproc 
          70:  stdu 1, -64(1) 
          71:  .cfi_def_cfa_offset 64 
          72:  mr 4, 3 
          73:  #APP 
          74:  mr 3, 4 
          75:  #NO_APP 
          76:  stb 3, 63(1) 
          77:  lbz 3, 63(1) 
          78:  addi 1, 1, 64 
          79:  blr 
          80:  .long 0 
          81:  .quad 0 
          82: .Lfunc_end2: 
          83:  .size reg_i8, .Lfunc_end2-.Lfunc_begin2 
          84:  .cfi_endproc 
          85:  
          86:  .section .text.reg_i16,"ax",@progbits 
          87:  .globl reg_i16 
          88:  .p2align 2 
          89:  .type reg_i16,@function 
          90:  .section .opd,"aw",@progbits 
          91: reg_i16: 
          92:  .p2align 3, 0x0 
          93:  .quad .Lfunc_begin3 
          94:  .quad .TOC.@tocbase 
          95:  .quad 0 
          96:  .section .text.reg_i16,"ax",@progbits 
          97: .Lfunc_begin3: 
          98:  .cfi_startproc 
          99:  stdu 1, -64(1) 
         100:  .cfi_def_cfa_offset 64 
         101:  mr 4, 3 
         102:  #APP 
         103:  mr 3, 4 
         104:  #NO_APP 
         105:  sth 3, 62(1) 
         106:  lhz 3, 62(1) 
         107:  addi 1, 1, 64 
         108:  blr 
         109:  .long 0 
         110:  .quad 0 
         111: .Lfunc_end3: 
         112:  .size reg_i16, .Lfunc_end3-.Lfunc_begin3 
         113:  .cfi_endproc 
         114:  
         115:  .section .text.reg_i32,"ax",@progbits 
         116:  .globl reg_i32 
         117:  .p2align 2 
         118:  .type reg_i32,@function 
         119:  .section .opd,"aw",@progbits 
         120: reg_i32: 
         121:  .p2align 3, 0x0 
         122:  .quad .Lfunc_begin4 
         123:  .quad .TOC.@tocbase 
         124:  .quad 0 
         125:  .section .text.reg_i32,"ax",@progbits 
         126: .Lfunc_begin4: 
         127:  .cfi_startproc 
         128:  stdu 1, -64(1) 
         129:  .cfi_def_cfa_offset 64 
         130:  mr 4, 3 
         131:  #APP 
         132:  mr 3, 4 
         133:  #NO_APP 
         134:  stw 3, 60(1) 
         135:  lwz 3, 60(1) 
         136:  addi 1, 1, 64 
         137:  blr 
         138:  .long 0 
         139:  .quad 0 
         140: .Lfunc_end4: 
         141:  .size reg_i32, .Lfunc_end4-.Lfunc_begin4 
         142:  .cfi_endproc 
         143:  
         144:  .section .text.reg_i64,"ax",@progbits 
         145:  .globl reg_i64 
         146:  .p2align 2 
         147:  .type reg_i64,@function 
         148:  .section .opd,"aw",@progbits 
         149: reg_i64: 
         150:  .p2align 3, 0x0 
         151:  .quad .Lfunc_begin5 
         152:  .quad .TOC.@tocbase 
         153:  .quad 0 
         154:  .section .text.reg_i64,"ax",@progbits 
         155: .Lfunc_begin5: 
         156:  .cfi_startproc 
         157:  stdu 1, -64(1) 
         158:  .cfi_def_cfa_offset 64 
         159:  mr 4, 3 
         160:  #APP 
         161:  mr 3, 4 
         162:  #NO_APP 
           .
           .
           .
>>>>>>

------------------------------------------

error in revision `powerpc64_power8`: verification with 'FileCheck' failed
status: exit status: 1
command: "/checkout/obj/build/i686-unknown-linux-gnu/llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s" "/checkout/tests/assembly-llvm/asm/powerpc-types.rs" "--check-prefix=CHECK" "--check-prefix" "powerpc64_power8" "--allow-unused-prefixes" "--dump-input-context" "100" "--check-prefix" "powerpc64" "--check-prefix" "altivec" "--check-prefix" "vsx" "--check-prefix" "power8"
stdout: none
--- stderr -------------------------------
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:63:17: error: power8-NEXT: expected string not found in input
// power8-NEXT: xscvspdp 1, [[#INPUT]]
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:16:6: note: scanning from here
 #APP
     ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:16:6: note: with "INPUT" equal to "1"
 #APP
     ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:17:2: note: possible intended match here
 xscvspdp 0, 1
 ^
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:78:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: #APP
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:43:2: note: 'next' match was here
 #APP
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:40:16: note: previous match ended here
 .cfi_startproc
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s:41:1: note: non-matching line after previous match is here
 xxlor 34, 1, 1
^

Input file: /checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64_power8/powerpc-types.s
Check file: /checkout/tests/assembly-llvm/asm/powerpc-types.rs

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1:  .file "powerpc_types.53eb200b48c12b6-cgu.0" 
           2:  .section .text.f32_to_f64,"ax",@progbits 
           3:  .globl f32_to_f64 
           4:  .p2align 2 
           5:  .type f32_to_f64,@function 
           6:  .section .opd,"aw",@progbits 
           7: f32_to_f64: 
           8:  .p2align 3, 0x0 
           9:  .quad .Lfunc_begin0 
          10:  .quad .TOC.@tocbase 
          11:  .quad 0 
          12:  .section .text.f32_to_f64,"ax",@progbits 
          13: .Lfunc_begin0: 
          14:  .cfi_startproc 
          15:  xscvdpspn 1, 1 
          16:  #APP 
next:63'0         {   search range start (exclusive)
next:63'1             error: no match found in search range
next:63'2             with "INPUT" equal to "1"
          17:  xscvspdp 0, 1 
next:63'3      ?               possible intended match
          18:  #NO_APP 
          19:  stfd 0, -8(1) 
          20:  lfd 1, -8(1) 
          21:  blr 
          22:  .long 0 
          23:  .quad 0 
          24: .Lfunc_end0: 
          25:  .size f32_to_f64, .Lfunc_end0-.Lfunc_begin0 
          26:  .cfi_endproc 
          27:  
          28:  .section .text.f64_to_f32,"ax",@progbits 
          29:  .globl f64_to_f32 
          30:  .p2align 2 
          31:  .type f64_to_f32,@function 
          32:  .section .opd,"aw",@progbits 
          33: f64_to_f32: 
next:63'4                }  search range end (exclusive)
          34:  .p2align 3, 0x0 
          35:  .quad .Lfunc_begin1 
          36:  .quad .TOC.@tocbase 
          37:  .quad 0 
          38:  .section .text.f64_to_f32,"ax",@progbits 
          39: .Lfunc_begin1: 
          40:  .cfi_startproc 
next:78'0                   {   search range start (exclusive)
          41:  xxlor 34, 1, 1 
          42:  xxlor 1, 34, 34 
          43:  #APP 
next:78'1      !~~~   error: match on wrong line
          44:  xscvdpsp 0, 1 
          45:  #NO_APP 
          46:  xxsldwi 0, 0, 0, 3 
          47:  addi 3, 1, -4 
          48:  stfiwx 0, 0, 3 
          49:  lfs 1, -4(1) 
          50:  blr 
          51:  .long 0 
          52:  .quad 0 
          53: .Lfunc_end1: 
          54:  .size f64_to_f32, .Lfunc_end1-.Lfunc_begin1 
          55:  .cfi_endproc 
          56:  
          57:  .section .text.reg_i8,"ax",@progbits 
          58:  .globl reg_i8 
          59:  .p2align 2 
          60:  .type reg_i8,@function 
          61:  .section .opd,"aw",@progbits 
          62: reg_i8: 
next:78'2            }  search range end (exclusive)
          63:  .p2align 3, 0x0 
          64:  .quad .Lfunc_begin2 
          65:  .quad .TOC.@tocbase 
          66:  .quad 0 
          67:  .section .text.reg_i8,"ax",@progbits 
          68: .Lfunc_begin2: 
          69:  .cfi_startproc 
          70:  stdu 1, -64(1) 
          71:  .cfi_def_cfa_offset 64 
          72:  mr 4, 3 
          73:  #APP 
          74:  mr 3, 4 
          75:  #NO_APP 
          76:  stb 3, 63(1) 
          77:  lbz 3, 63(1) 
          78:  addi 1, 1, 64 
          79:  blr 
          80:  .long 0 
          81:  .quad 0 
          82: .Lfunc_end2: 
          83:  .size reg_i8, .Lfunc_end2-.Lfunc_begin2 
          84:  .cfi_endproc 
          85:  
          86:  .section .text.reg_i16,"ax",@progbits 
          87:  .globl reg_i16 
          88:  .p2align 2 
          89:  .type reg_i16,@function 
          90:  .section .opd,"aw",@progbits 
          91: reg_i16: 
          92:  .p2align 3, 0x0 
          93:  .quad .Lfunc_begin3 
          94:  .quad .TOC.@tocbase 
          95:  .quad 0 
          96:  .section .text.reg_i16,"ax",@progbits 
          97: .Lfunc_begin3: 
          98:  .cfi_startproc 
          99:  stdu 1, -64(1) 
         100:  .cfi_def_cfa_offset 64 
         101:  mr 4, 3 
         102:  #APP 
         103:  mr 3, 4 
         104:  #NO_APP 
         105:  sth 3, 62(1) 
         106:  lhz 3, 62(1) 
         107:  addi 1, 1, 64 
         108:  blr 
         109:  .long 0 
         110:  .quad 0 
         111: .Lfunc_end3: 
         112:  .size reg_i16, .Lfunc_end3-.Lfunc_begin3 
         113:  .cfi_endproc 
         114:  
         115:  .section .text.reg_i32,"ax",@progbits 
         116:  .globl reg_i32 
         117:  .p2align 2 
         118:  .type reg_i32,@function 
         119:  .section .opd,"aw",@progbits 
         120: reg_i32: 
         121:  .p2align 3, 0x0 
         122:  .quad .Lfunc_begin4 
         123:  .quad .TOC.@tocbase 
         124:  .quad 0 
         125:  .section .text.reg_i32,"ax",@progbits 
         126: .Lfunc_begin4: 
         127:  .cfi_startproc 
         128:  stdu 1, -64(1) 
         129:  .cfi_def_cfa_offset 64 
         130:  mr 4, 3 
         131:  #APP 
         132:  mr 3, 4 
         133:  #NO_APP 
         134:  stw 3, 60(1) 
         135:  lwz 3, 60(1) 
         136:  addi 1, 1, 64 
         137:  blr 
         138:  .long 0 
         139:  .quad 0 
         140: .Lfunc_end4: 
         141:  .size reg_i32, .Lfunc_end4-.Lfunc_begin4 
         142:  .cfi_endproc 
         143:  
         144:  .section .text.reg_i64,"ax",@progbits 
         145:  .globl reg_i64 
         146:  .p2align 2 
         147:  .type reg_i64,@function 
         148:  .section .opd,"aw",@progbits 
         149: reg_i64: 
         150:  .p2align 3, 0x0 
         151:  .quad .Lfunc_begin5 
         152:  .quad .TOC.@tocbase 
         153:  .quad 0 
         154:  .section .text.reg_i64,"ax",@progbits 
         155: .Lfunc_begin5: 
         156:  .cfi_startproc 
         157:  stdu 1, -64(1) 
         158:  .cfi_def_cfa_offset 64 
         159:  mr 4, 3 
         160:  #APP 
         161:  mr 3, 4 
         162:  #NO_APP 
           .
           .
           .
>>>>>>
------------------------------------------
---
------FileCheck stderr------------------------------
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:62:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: #APP
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:14:2: note: 'next' match was here
 #APP
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:12:16: note: previous match ended here
 vmrgow 2, 2, 2
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:13:1: note: non-matching line after previous match is here
 xxlor 1, 34, 34
^
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:78:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: #APP
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:36:2: note: 'next' match was here
 #APP
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:33:16: note: previous match ended here
 .cfi_startproc
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:34:1: note: non-matching line after previous match is here
 xxlor 34, 1, 1
^

Input file: /checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s
Check file: /checkout/tests/assembly-llvm/asm/powerpc-types.rs

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1:  .abiversion 2 
           2:  .file "powerpc_types.53eb200b48c12b6-cgu.0" 
           3:  .section .text.f32_to_f64,"ax",@progbits 
           4:  .globl f32_to_f64 
           5:  .p2align 2 
           6:  .prefalign 4, .Lfunc_end0, nop 
           7:  .type f32_to_f64,@function 
           8: f32_to_f64: 
           9: .Lfunc_begin0: 
          10:  .cfi_startproc 
          11:  xscvdpspn 34, 1 
          12:  vmrgow 2, 2, 2 
next:62'0                   {   search range start (exclusive)
          13:  xxlor 1, 34, 34 
          14:  #APP 
next:62'1      !~~~   error: match on wrong line
          15:  xscvspdp 0, 1 
          16:  #NO_APP 
          17:  stfd 0, -8(1) 
          18:  lfd 1, -8(1) 
          19:  blr 
          20:  .long 0 
          21:  .quad 0 
          22: .Lfunc_end0: 
          23:  .size f32_to_f64, .Lfunc_end0-.Lfunc_begin0 
          24:  .cfi_endproc 
          25:  
          26:  .section .text.f64_to_f32,"ax",@progbits 
          27:  .globl f64_to_f32 
          28:  .p2align 2 
          29:  .prefalign 4, .Lfunc_end1, nop 
          30:  .type f64_to_f32,@function 
          31: f64_to_f32: 
next:62'2                }  search range end (exclusive)
          32: .Lfunc_begin1: 
          33:  .cfi_startproc 
next:78'0                   {   search range start (exclusive)
          34:  xxlor 34, 1, 1 
          35:  xxlor 1, 34, 34 
          36:  #APP 
next:78'1      !~~~   error: match on wrong line
          37:  xscvdpsp 0, 1 
          38:  #NO_APP 
          39:  xxsldwi 0, 0, 0, 3 
          40:  addi 3, 1, -4 
          41:  stfiwx 0, 0, 3 
          42:  lfs 1, -4(1) 
          43:  blr 
          44:  .long 0 
          45:  .quad 0 
          46: .Lfunc_end1: 
          47:  .size f64_to_f32, .Lfunc_end1-.Lfunc_begin1 
          48:  .cfi_endproc 
          49:  
          50:  .section .text.reg_i8,"ax",@progbits 
          51:  .globl reg_i8 
          52:  .p2align 2 
          53:  .prefalign 4, .Lfunc_end2, nop 
          54:  .type reg_i8,@function 
          55: reg_i8: 
next:78'2            }  search range end (exclusive)
          56: .Lfunc_begin2: 
          57:  .cfi_startproc 
          58:  stdu 1, -48(1) 
          59:  .cfi_def_cfa_offset 48 
          60:  mr 4, 3 
          61:  #APP 
          62:  mr 3, 4 
          63:  #NO_APP 
          64:  stb 3, 47(1) 
          65:  lbz 3, 47(1) 
          66:  addi 1, 1, 48 
          67:  blr 
          68:  .long 0 
          69:  .quad 0 
          70: .Lfunc_end2: 
          71:  .size reg_i8, .Lfunc_end2-.Lfunc_begin2 
          72:  .cfi_endproc 
          73:  
          74:  .section .text.reg_i16,"ax",@progbits 
          75:  .globl reg_i16 
          76:  .p2align 2 
          77:  .prefalign 4, .Lfunc_end3, nop 
          78:  .type reg_i16,@function 
          79: reg_i16: 
          80: .Lfunc_begin3: 
          81:  .cfi_startproc 
          82:  stdu 1, -48(1) 
          83:  .cfi_def_cfa_offset 48 
          84:  mr 4, 3 
          85:  #APP 
          86:  mr 3, 4 
          87:  #NO_APP 
          88:  sth 3, 46(1) 
          89:  lhz 3, 46(1) 
          90:  addi 1, 1, 48 
          91:  blr 
          92:  .long 0 
          93:  .quad 0 
          94: .Lfunc_end3: 
          95:  .size reg_i16, .Lfunc_end3-.Lfunc_begin3 
          96:  .cfi_endproc 
          97:  
          98:  .section .text.reg_i32,"ax",@progbits 
          99:  .globl reg_i32 
         100:  .p2align 2 
         101:  .prefalign 4, .Lfunc_end4, nop 
         102:  .type reg_i32,@function 
         103: reg_i32: 
         104: .Lfunc_begin4: 
         105:  .cfi_startproc 
         106:  stdu 1, -48(1) 
         107:  .cfi_def_cfa_offset 48 
         108:  mr 4, 3 
         109:  #APP 
         110:  mr 3, 4 
         111:  #NO_APP 
         112:  stw 3, 44(1) 
         113:  lwz 3, 44(1) 
         114:  addi 1, 1, 48 
         115:  blr 
         116:  .long 0 
         117:  .quad 0 
         118: .Lfunc_end4: 
         119:  .size reg_i32, .Lfunc_end4-.Lfunc_begin4 
         120:  .cfi_endproc 
         121:  
         122:  .section .text.reg_i64,"ax",@progbits 
         123:  .globl reg_i64 
         124:  .p2align 2 
         125:  .prefalign 4, .Lfunc_end5, nop 
         126:  .type reg_i64,@function 
         127: reg_i64: 
         128: .Lfunc_begin5: 
         129:  .cfi_startproc 
         130:  stdu 1, -48(1) 
         131:  .cfi_def_cfa_offset 48 
         132:  mr 4, 3 
         133:  #APP 
         134:  mr 3, 4 
         135:  #NO_APP 
         136:  std 3, 40(1) 
         137:  ld 3, 40(1) 
         138:  addi 1, 1, 48 
         139:  blr 
         140:  .long 0 
         141:  .quad 0 
         142: .Lfunc_end5: 
         143:  .size reg_i64, .Lfunc_end5-.Lfunc_begin5 
         144:  .cfi_endproc 
         145:  
         146:  .section .text.reg_i8_nz,"ax",@progbits 
         147:  .globl reg_i8_nz 
         148:  .p2align 2 
         149:  .prefalign 4, .Lfunc_end6, nop 
         150:  .type reg_i8_nz,@function 
         151: reg_i8_nz: 
         152: .Lfunc_begin6: 
         153:  .cfi_startproc 
         154:  stdu 1, -48(1) 
         155:  .cfi_def_cfa_offset 48 
           .
           .
           .
>>>>>>

------------------------------------------

error in revision `powerpc64le`: verification with 'FileCheck' failed
status: exit status: 1
command: "/checkout/obj/build/i686-unknown-linux-gnu/llvm/bin/FileCheck" "--input-file" "/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s" "/checkout/tests/assembly-llvm/asm/powerpc-types.rs" "--check-prefix=CHECK" "--check-prefix" "powerpc64le" "--allow-unused-prefixes" "--dump-input-context" "100" "--check-prefix" "powerpc64" "--check-prefix" "altivec" "--check-prefix" "vsx" "--check-prefix" "power8"
stdout: none
--- stderr -------------------------------
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:62:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: #APP
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:14:2: note: 'next' match was here
 #APP
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:12:16: note: previous match ended here
 vmrgow 2, 2, 2
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:13:1: note: non-matching line after previous match is here
 xxlor 1, 34, 34
^
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:78:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: #APP
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:36:2: note: 'next' match was here
 #APP
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:33:16: note: previous match ended here
 .cfi_startproc
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s:34:1: note: non-matching line after previous match is here
 xxlor 34, 1, 1
^

Input file: /checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc64le/powerpc-types.s
Check file: /checkout/tests/assembly-llvm/asm/powerpc-types.rs

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1:  .abiversion 2 
           2:  .file "powerpc_types.53eb200b48c12b6-cgu.0" 
           3:  .section .text.f32_to_f64,"ax",@progbits 
           4:  .globl f32_to_f64 
           5:  .p2align 2 
           6:  .prefalign 4, .Lfunc_end0, nop 
           7:  .type f32_to_f64,@function 
           8: f32_to_f64: 
           9: .Lfunc_begin0: 
          10:  .cfi_startproc 
          11:  xscvdpspn 34, 1 
          12:  vmrgow 2, 2, 2 
next:62'0                   {   search range start (exclusive)
          13:  xxlor 1, 34, 34 
          14:  #APP 
next:62'1      !~~~   error: match on wrong line
          15:  xscvspdp 0, 1 
          16:  #NO_APP 
          17:  stfd 0, -8(1) 
          18:  lfd 1, -8(1) 
          19:  blr 
          20:  .long 0 
          21:  .quad 0 
          22: .Lfunc_end0: 
          23:  .size f32_to_f64, .Lfunc_end0-.Lfunc_begin0 
          24:  .cfi_endproc 
          25:  
          26:  .section .text.f64_to_f32,"ax",@progbits 
          27:  .globl f64_to_f32 
          28:  .p2align 2 
          29:  .prefalign 4, .Lfunc_end1, nop 
          30:  .type f64_to_f32,@function 
          31: f64_to_f32: 
next:62'2                }  search range end (exclusive)
          32: .Lfunc_begin1: 
          33:  .cfi_startproc 
next:78'0                   {   search range start (exclusive)
          34:  xxlor 34, 1, 1 
          35:  xxlor 1, 34, 34 
          36:  #APP 
next:78'1      !~~~   error: match on wrong line
          37:  xscvdpsp 0, 1 
          38:  #NO_APP 
          39:  xxsldwi 0, 0, 0, 3 
          40:  addi 3, 1, -4 
          41:  stfiwx 0, 0, 3 
          42:  lfs 1, -4(1) 
          43:  blr 
          44:  .long 0 
          45:  .quad 0 
          46: .Lfunc_end1: 
          47:  .size f64_to_f32, .Lfunc_end1-.Lfunc_begin1 
          48:  .cfi_endproc 
          49:  
          50:  .section .text.reg_i8,"ax",@progbits 
          51:  .globl reg_i8 
          52:  .p2align 2 
          53:  .prefalign 4, .Lfunc_end2, nop 
          54:  .type reg_i8,@function 
          55: reg_i8: 
next:78'2            }  search range end (exclusive)
          56: .Lfunc_begin2: 
          57:  .cfi_startproc 
          58:  stdu 1, -48(1) 
          59:  .cfi_def_cfa_offset 48 
          60:  mr 4, 3 
          61:  #APP 
          62:  mr 3, 4 
          63:  #NO_APP 
          64:  stb 3, 47(1) 
          65:  lbz 3, 47(1) 
          66:  addi 1, 1, 48 
          67:  blr 
          68:  .long 0 
          69:  .quad 0 
          70: .Lfunc_end2: 
          71:  .size reg_i8, .Lfunc_end2-.Lfunc_begin2 
          72:  .cfi_endproc 
          73:  
          74:  .section .text.reg_i16,"ax",@progbits 
          75:  .globl reg_i16 
          76:  .p2align 2 
          77:  .prefalign 4, .Lfunc_end3, nop 
          78:  .type reg_i16,@function 
          79: reg_i16: 
          80: .Lfunc_begin3: 
          81:  .cfi_startproc 
          82:  stdu 1, -48(1) 
          83:  .cfi_def_cfa_offset 48 
          84:  mr 4, 3 
          85:  #APP 
          86:  mr 3, 4 
          87:  #NO_APP 
          88:  sth 3, 46(1) 
          89:  lhz 3, 46(1) 
          90:  addi 1, 1, 48 
          91:  blr 
          92:  .long 0 
          93:  .quad 0 
          94: .Lfunc_end3: 
          95:  .size reg_i16, .Lfunc_end3-.Lfunc_begin3 
          96:  .cfi_endproc 
          97:  
          98:  .section .text.reg_i32,"ax",@progbits 
          99:  .globl reg_i32 
         100:  .p2align 2 
         101:  .prefalign 4, .Lfunc_end4, nop 
         102:  .type reg_i32,@function 
         103: reg_i32: 
         104: .Lfunc_begin4: 
         105:  .cfi_startproc 
         106:  stdu 1, -48(1) 
         107:  .cfi_def_cfa_offset 48 
         108:  mr 4, 3 
         109:  #APP 
         110:  mr 3, 4 
         111:  #NO_APP 
         112:  stw 3, 44(1) 
         113:  lwz 3, 44(1) 
         114:  addi 1, 1, 48 
         115:  blr 
         116:  .long 0 
         117:  .quad 0 
         118: .Lfunc_end4: 
         119:  .size reg_i32, .Lfunc_end4-.Lfunc_begin4 
         120:  .cfi_endproc 
         121:  
         122:  .section .text.reg_i64,"ax",@progbits 
         123:  .globl reg_i64 
         124:  .p2align 2 
         125:  .prefalign 4, .Lfunc_end5, nop 
         126:  .type reg_i64,@function 
         127: reg_i64: 
         128: .Lfunc_begin5: 
         129:  .cfi_startproc 
         130:  stdu 1, -48(1) 
         131:  .cfi_def_cfa_offset 48 
         132:  mr 4, 3 
         133:  #APP 
         134:  mr 3, 4 
         135:  #NO_APP 
         136:  std 3, 40(1) 
         137:  ld 3, 40(1) 
         138:  addi 1, 1, 48 
         139:  blr 
         140:  .long 0 
         141:  .quad 0 
         142: .Lfunc_end5: 
         143:  .size reg_i64, .Lfunc_end5-.Lfunc_begin5 
         144:  .cfi_endproc 
         145:  
         146:  .section .text.reg_i8_nz,"ax",@progbits 
         147:  .globl reg_i8_nz 
         148:  .p2align 2 
         149:  .prefalign 4, .Lfunc_end6, nop 
         150:  .type reg_i8_nz,@function 
         151: reg_i8_nz: 
         152: .Lfunc_begin6: 
         153:  .cfi_startproc 
         154:  stdu 1, -48(1) 
         155:  .cfi_def_cfa_offset 48 
           .
           .
           .
>>>>>>
------------------------------------------

---- [assembly] tests/assembly-llvm/asm/powerpc-types.rs#powerpc64le stdout end ----
---- [assembly] tests/assembly-llvm/asm/powerpc-types.rs#powerpc_power8 stdout ----
------FileCheck stdout------------------------------

------FileCheck stderr------------------------------
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:60:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: xscvdpspn [[#INPUT:]], 1
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc_power8/powerpc-types.s:15:2: note: 'next' match was here
 xscvdpspn 1, 1
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc_power8/powerpc-types.s:12:16: note: previous match ended here
 .cfi_startproc
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc_power8/powerpc-types.s:13:1: note: non-matching line after previous match is here
 stwu 1, -16(1)
^
/checkout/tests/assembly-llvm/asm/powerpc-types.rs:78:17: error: power8-NEXT: is not on the line after the previous match
// power8-NEXT: #APP
                ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc_power8/powerpc-types.s:38:2: note: 'next' match was here
 #APP
 ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc_power8/powerpc-types.s:33:16: note: previous match ended here
 .cfi_startproc
               ^
/checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc_power8/powerpc-types.s:34:1: note: non-matching line after previous match is here
 stwu 1, -16(1)
^

Input file: /checkout/obj/build/i686-unknown-linux-gnu/test/assembly-llvm/asm/powerpc-types.powerpc_power8/powerpc-types.s
Check file: /checkout/tests/assembly-llvm/asm/powerpc-types.rs

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1:  .section .got2,"aw",@progbits 
           2: .Ltmp0: 
           3: .LTOC = .Ltmp0+32768 
           4:  .text 
           5:  .file "powerpc_types.53eb200b48c12b6-cgu.0" 
           6:  .section .text.f32_to_f64,"ax",@progbits 
           7:  .globl f32_to_f64 
           8:  .p2align 2 
           9:  .type f32_to_f64,@function 
          10: f32_to_f64: 
          11: .Lfunc_begin0: 
          12:  .cfi_startproc 
next:60'0                   {   search range start (exclusive)
          13:  stwu 1, -16(1) 
          14:  .cfi_def_cfa_offset 16 
          15:  xscvdpspn 1, 1 
next:60'1      !~~~~~~~~~~~~~   error: match on wrong line
          16:  #APP 
          17:  xscvspdp 0, 1 
          18:  #NO_APP 
          19:  stfd 0, 8(1) 
          20:  lfd 1, 8(1) 
          21:  addi 1, 1, 16 
          22:  blr 
          23: .Lfunc_end0: 
          24:  .size f32_to_f64, .Lfunc_end0-.Lfunc_begin0 
          25:  .cfi_endproc 
          26:  
          27:  .section .text.f64_to_f32,"ax",@progbits 
          28:  .globl f64_to_f32 
          29:  .p2align 2 
          30:  .type f64_to_f32,@function 
          31: f64_to_f32: 
next:60'2                }  search range end (exclusive)
          32: .Lfunc_begin1: 
          33:  .cfi_startproc 
next:78'0                   {   search range start (exclusive)
          34:  stwu 1, -16(1) 
          35:  .cfi_def_cfa_offset 16 
          36:  xxlor 34, 1, 1 
          37:  xxlor 1, 34, 34 
          38:  #APP 
next:78'1      !~~~   error: match on wrong line
          39:  xscvdpsp 0, 1 
          40:  #NO_APP 
          41:  xscvspdpn 0, 0 
          42:  stfs 0, 12(1) 
          43:  lfs 1, 12(1) 
          44:  addi 1, 1, 16 
          45:  blr 
          46: .Lfunc_end1: 
          47:  .size f64_to_f32, .Lfunc_end1-.Lfunc_begin1 
          48:  .cfi_endproc 
          49:  
          50:  .section .text.reg_i8,"ax",@progbits 
          51:  .globl reg_i8 
          52:  .p2align 2 
          53:  .type reg_i8,@function

rust-bors · 2026-08-13T21:58:49Z

💔 Test for cafe364 failed: CI. Failed job:

auto - i686-gnu-nopt-1 (web logs, enhanced plaintext logs)

rust-bors · 2026-08-13T22:15:04Z

☀️ Try build successful (CI)
Build commit: 2ae4d1d (2ae4d1d9b0f7356951ac89724c1ef2ca30f42e75)
Base parent: ba28ff7 (ba28ff76f353a722f31c4f3dd2ac4e437d36411b)

rust-bors · 2026-08-13T22:15:11Z

PR #160441, which is a member of this rollup, was unapproved.

jyn514 and others added 30 commits April 17, 2026 11:07

[draft] Link to proposed LLM policy

76323c8

add guidance for working with LLMs

f32e5d8

Suggest using an LLM to generate tools, rather than making the LLM th…

e07d7cc

…e tool

add note that LLMs prefer their own output

baf98d4

extend llm guidance

32c4dcb

extend LLM guidance with a summary of the policy

2685fec

flesh out author guidance

7da7cd0

more author guidance; cross-references

500f94c

change tone from policy to mentorship

ac6af39

add "maintainable code" section

ef9670c

split authoring and reviewing sections

cebbf10

be more clear about what i mean around linters

7cef419

add more links

49d14d6

move correctness suggestions to a better chapter

4fb41b1

address Sasha's review comments

6b52bda

fix links

ff5a4a4

tweaks

df4f543

headings

beca161

don't treat model names as a good example of disclosure

a2d28af

Document ./x build --timings

daafdb5

Merge pull request rust-lang#2951 from joshtriplett/timings

851876f

Document `./x build --timings`

document that commit messages must be human-authored

fbaa034

Merge pull request rust-lang#2835 from jyn514/llm-policy

f55e223

Add LLM guidance, based on the new rl/r policy

move index file up to make external links to ".../llm-guidance.html" …

77a8b9f

…work

Update relative links

142707e

Merge pull request rust-lang#2953 from steffahn/fix-llm-guidance-link

ead361d

Fix llm-guidance chapter file structure

PowerPC inline ASM: Fix scalar floats being in the wrong vector lane …

fb0210d

…on little endian

derive(Diagnostic): #[note] etc also work on bool fields

a669f67

remove derives from SVE macros

4ee0e67

they projected into a scalable vector, which hits assertions

forward rustflags to rustdoc

909d601

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jhpratt mentioned this pull request Aug 13, 2026

PowerPC inline ASM: Fix scalar floats being in the wrong vector lane on little endian #160441

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