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[PATCH] libgcc SH: fix alignment for relaxation

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From 6462f1e6a2565c5d4756036d9bc2f39dce9bd768 Mon Sep 17 00:00:00 2001
From: QBos07 <qubos@outlook.de>
Date: Sat, 10 May 2025 16:56:28 +0000
Subject: [PATCH] libgcc SH: fix alignment for relaxation

when relaxation is enabled we can not infer the alignment
from the position as that may change. This should not change
non-relaxed builds as its allready aligned there. This was
the missing piece to building an entire toolchain with -mrelax

Credit goes to Oleg Endo: https://sourceware.org/bugzilla/show_bug.cgi?id=3298#c4

libgcc/
	* config/sh/lib1funcs.S (ashiftrt_r4_32): Increase alignment.
	(movemem): Force alignment of the mova intruction.
This commit is contained in:
Oleg Endo
2025-05-17 10:51:35 -06:00
committed by Jeff Law
parent 7ed37d5ea4
commit de04f593ef
1 changed files with 2 additions and 1 deletions
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3
libgcc/config/sh/lib1funcs.S
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@@ -115,7 +115,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
HIDDEN_FUNC(GLOBAL(ashiftrt_r4_31))
HIDDEN_FUNC(GLOBAL(ashiftrt_r4_32))
.align 1
.align 4
GLOBAL(ashiftrt_r4_32):
GLOBAL(ashiftrt_r4_31):
rotcl r4
@@ -764,6 +764,7 @@ LOCAL(movmem_loop): /* Reached with rts */
bt GLOBAL(movmemSI52)
! done all the large groups, do the remainder
! jump to movmem+
.balign 4
mova GLOBAL(movmemSI4)+4,r0
add r6,r0
jmp @r0