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| author | Vincent Palatin <vpalatin@chromium.org> | 2015-01-12 13:11:33 -0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-01-14 21:50:03 +0000 |
| commit | e2355ff432dcef946b2f0b260e0de763c31288de (patch) | |
| tree | cc7df2c3066930b7005031318369b1de6b6a5f53 /core/cortex-m0/thumb_case.S | |
| parent | f52ed342b952ecc4f342aadec278bc6e4372067e (diff) | |
| download | chrome-ec-e2355ff432dcef946b2f0b260e0de763c31288de.tar.gz | |
cortex-m0: optimize out unused assembly helpers
Put each assembly helper function in its own .text.__funcname__ section,
so the linker can remove the unused ones.
Also remove a few entrypoints used only by deprecated ABIs.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=samus
BUG=none
TEST=make buildall
check the firmware size and see we are saving 88 bytes on Zinger.
Change-Id: I6714da671c3449220652780d47993d6c919c331c
Reviewed-on: https://chromium-review.googlesource.com/240582
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Trybot-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'core/cortex-m0/thumb_case.S')
| -rw-r--r-- | core/cortex-m0/thumb_case.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/cortex-m0/thumb_case.S b/core/cortex-m0/thumb_case.S index be6c02b764..0bc8b38db0 100644 --- a/core/cortex-m0/thumb_case.S +++ b/core/cortex-m0/thumb_case.S @@ -21,6 +21,7 @@ * r0 and lr must be PRESERVED. * r12 can be clobbered. */ +.section .text.__gnu_thumb1_case_uqi .global __gnu_thumb1_case_uqi .thumb_func __gnu_thumb1_case_uqi: @@ -34,6 +35,7 @@ __gnu_thumb1_case_uqi: mov r1, r12 bx lr +.section .text.__gnu_thumb1_case_sqi .global __gnu_thumb1_case_sqi .thumb_func __gnu_thumb1_case_sqi: @@ -47,6 +49,7 @@ __gnu_thumb1_case_sqi: mov r1, r12 bx lr +.section .text.__gnu_thumb1_case_uhi .global __gnu_thumb1_case_uhi .thumb_func __gnu_thumb1_case_uhi: @@ -62,6 +65,7 @@ __gnu_thumb1_case_uhi: bx lr +.section .text.__gnu_thumb1_case_shi .global __gnu_thumb1_case_shi .thumb_func __gnu_thumb1_case_shi: |