Dear contributor,

Our automatic CI has detected problems related to your patch(es). Please find 
some details below.

In  arm-eabi cortex-m7 hard, after:
  | commit gcc-15-5201-g5a674367c6d
  | Author: Soumya AR <soum...@nvidia.com>
  | Date:   Wed Nov 13 15:41:15 2024 +0530
  | 
  |     Match: Fold pow calls to ldexp when possible [PR57492]
  |     
  |     This patch transforms the following POW calls to equivalent LDEXP 
calls, as
  |     discussed in PR57492:
  |     
  | ... 26 lines of the commit log omitted.

Produces 3 regressions:
  | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ...
  | FAIL: gcc.dg/tree-ssa/pow-to-ldexp.c scan-tree-dump-times optimized 
"__builtin_ldexpf " 7
  | FAIL: gcc.dg/tree-ssa/pow-to-ldexp.c scan-tree-dump-times optimized 
"__builtin_ldexpl " 7
  | FAIL: gcc.dg/tree-ssa/pow-to-ldexp.c scan-tree-dump-times optimized 
"__builtin_powi" 0

Used configuration :
 *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv7e-m+fp.dp 
-mtune=cortex-m7 -mfloat-abi=hard -mfpu=auto
 *configure and test flags:* --target arm-eabi --disable-multilib 
--with-mode=thumb --with-cpu=cortex-m7 --with-float=hard 
--target_board=-mthumb/-march=armv7e-m+fp.dp/-mtune=cortex-m7/-mfloat-abi=hard/-mfpu=auto
 qemu_cpu=cortex-m7

We track this bug report under https://linaro.atlassian.net/browse/GNU-1417. 
Please let us know if you have a fix.

If you have any questions regarding this report, please ask on 
linaro-toolch...@lists.linaro.org mailing list.

-----------------8<--------------------------8<--------------------------8<--------------------------

The information below contains the details of the failures, and the ways to 
reproduce a debug environment:

You can find the failure logs in *.log.1.xz files in
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m7_hard_eabi-build/248/artifact/artifacts/00-sumfiles/
The full lists of regressions and improvements as well as configure and make 
commands are in
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m7_hard_eabi-build/248/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m7_hard_eabi-build/248/artifact/artifacts/sumfiles/xfails.xfail

Current build   : 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m7_hard_eabi-build/248/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m7_hard_eabi-build/247/artifact/artifacts

Instruction to reproduce the build : 
https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/5a674367c6da870184f3bdb7ec110b96aa91bb2b/tcwg_gnu_embed_check_gcc/master-thumb_m7_hard_eabi/reproduction_instructions.txt

Full commit : 
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=5a674367c6da870184f3bdb7ec110b96aa91bb2b

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