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| author | eric fang <eric.fang@arm.com> | 2022-07-11 02:40:14 +0000 |
|---|---|---|
| committer | Eric Fang <eric.fang@arm.com> | 2022-10-28 01:44:39 +0000 |
| commit | 537c4354cb9fdf8812c0448bd8f8a3b9f9ab1736 (patch) | |
| tree | b4ca4b162e181b92d5d34df975a1ad38e411e229 /src/cmd/compile/internal/test/testdata | |
| parent | 7f255ba065ee7bd41da806b297cd643e3ead3fee (diff) | |
| download | go-537c4354cb9fdf8812c0448bd8f8a3b9f9ab1736.tar.xz | |
cmd/internal/obj/arm64: optimize ADRP+ADD+LD/ST to ADRP+LD/ST(offset)
This CL optimizes the sequence of instructions ADRP+ADD+LD/ST to the
sequence of ADRP+LD/ST(offset). This saves an ADD instruction.
The test result of compilecmp:
name old text-bytes new text-bytes delta
HelloSize 763kB ± 0% 755kB ± 0% -1.06% (p=0.000 n=20+20)
name old data-bytes new data-bytes delta
HelloSize 13.5kB ± 0% 13.5kB ± 0% ~ (all equal)
name old bss-bytes new bss-bytes delta
HelloSize 227kB ± 0% 227kB ± 0% ~ (all equal)
name old exe-bytes new exe-bytes delta
HelloSize 1.33MB ± 0% 1.33MB ± 0% -0.02% (p=0.000 n=20+20)
file before after Δ %
addr2line 3760392 3759504 -888 -0.024%
api 5361511 5295351 -66160 -1.234%
asm 5014157 4948674 -65483 -1.306%
buildid 2579949 2579485 -464 -0.018%
cgo 4492817 4491737 -1080 -0.024%
compile 23359229 23156074 -203155 -0.870%
cover 4823337 4756937 -66400 -1.377%
dist 3332850 3331794 -1056 -0.032%
doc 3902649 3836745 -65904 -1.689%
fix 3269708 3268828 -880 -0.027%
link 6510760 6443496 -67264 -1.033%
nm 3670740 3604348 -66392 -1.809%
objdump 4069599 4068967 -632 -0.016%
pack 2374824 2374208 -616 -0.026%
pprof 13874860 13805700 -69160 -0.498%
test2json 2599210 2598530 -680 -0.026%
trace 13231640 13162872 -68768 -0.520%
vet 7360899 7292267 -68632 -0.932%
total 113589131 112775517 -813614 -0.716%
Change-Id: Ie1cf277e149ddd3f352d05fa0753d0ced7e0b894
Reviewed-on: https://go-review.googlesource.com/c/go/+/444715
Run-TryBot: Eric Fang <eric.fang@arm.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Diffstat (limited to 'src/cmd/compile/internal/test/testdata')
0 files changed, 0 insertions, 0 deletions