FS#11335 by me: make ARM assembly functions thumb-friendly

We can't pop into pc on ARMv4t when using thumb: the T bit won't be
modified if we are returning to a thumb function
Code running on ARMv4t should use the new ldrpc / ldmpc macros instead
of ldr pc, [sp], #4 and ldm(cond) sp!, {regs, pc}
No modification on pure ARM builds and ARMv5+

Note: USE_THUMB is currently never defined, no targets can currently be
built with -mthumb, see FS#6734

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26756 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/target/arm/memset-arm.S b/firmware/target/arm/memset-arm.S
index 5dbde7a1d7..682da874ce 100644
--- a/firmware/target/arm/memset-arm.S
+++ b/firmware/target/arm/memset-arm.S
@@ -69,7 +69,7 @@ memset:
         stmgedb r0!, {r1, r3, ip, lr}
         stmgedb r0!, {r1, r3, ip, lr}
         bgt     3b
-        ldreq   pc, [sp], #4            @ Now <64 bytes to go.
+        ldrpc   cond=eq                 @ Now <64 bytes to go.
 /*
  * No need to correct the count; we're only testing bits from now on
  */