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| author | Julian Brown <julian@codesourcery.com> | 2014-06-20 05:38:40 +0000 |
|---|---|---|
| committer | Chung-Lin Tang <cltang@gcc.gnu.org> | 2014-06-20 05:38:40 +0000 |
| commit | 6d45574aa297574840e7b0d4ab3ec13f7d9d5b64 (patch) | |
| tree | 3dcd1797e1107e78f3ae5ecc70398473b70ed9cc | |
| parent | 27a4e2d0fe7d74ca654f98ef8707982b44799dca (diff) | |
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arm.c (arm_output_mi_thunk): Fix offset for TARGET_THUMB1_ONLY.
2014-06-20 Julian Brown <julian@codesourcery.com>
Chung-Lin Tang <cltang@codesourcery.com>
* config/arm/arm.c (arm_output_mi_thunk): Fix offset for
TARGET_THUMB1_ONLY. Add comments.
Co-Authored-By: Chung-Lin Tang <cltang@codesourcery.com>
From-SVN: r211834
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 8 |
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3e43695..03ce0d2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-06-20 Julian Brown <julian@codesourcery.com> + Chung-Lin Tang <cltang@codesourcery.com> + + * config/arm/arm.c (arm_output_mi_thunk): Fix offset for + TARGET_THUMB1_ONLY. Add comments. + 2014-06-19 Tom de Vries <tom@codesourcery.com> * config/aarch64/aarch64-protos.h (aarch64_emit_call_insn): Change diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index d293b5b..70682f1 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -28455,9 +28455,13 @@ arm_output_mi_thunk (FILE *file, tree thunk ATTRIBUTE_UNUSED, fputs (":\n", file); if (flag_pic) { - /* Output ".word .LTHUNKn-7-.LTHUNKPCn". */ + /* Output ".word .LTHUNKn-[3,7]-.LTHUNKPCn". */ rtx tem = XEXP (DECL_RTL (function), 0); - tem = plus_constant (GET_MODE (tem), tem, -7); + /* For TARGET_THUMB1_ONLY the thunk is in Thumb mode, so the PC + pipeline offset is four rather than eight. Adjust the offset + accordingly. */ + tem = plus_constant (GET_MODE (tem), tem, + TARGET_THUMB1_ONLY ? -3 : -7); tem = gen_rtx_MINUS (GET_MODE (tem), tem, gen_rtx_SYMBOL_REF (Pmode, |