From: Christophe Lyon <christophe.lyon@st.com>
To: <gcc-patches@gcc.gnu.org>
Cc: <christophe.lyon@linaro.org>
Subject: [ARM/FDPIC v3 07/21] [ARM] FDPIC: Avoid saving/restoring r9 on stack since it is RO
Date: Thu, 11 Oct 2018 13:38:00 -0000 [thread overview]
Message-ID: <20181011133518.17258-8-christophe.lyon@st.com> (raw)
In-Reply-To: <20181011133518.17258-1-christophe.lyon@st.com>
2018-XX-XX Christophe Lyon <christophe.lyon@st.com>
Mickaël Guêné <mickael.guene@st.com>
gcc/
* config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Handle
FDPIC.
(thumb1_compute_save_core_reg_mask): Likewise.
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 92ae24b..a6dce36 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -19470,7 +19470,7 @@ arm_compute_save_reg0_reg12_mask (void)
/* Also save the pic base register if necessary. */
if (flag_pic
- && !TARGET_SINGLE_PIC_BASE
+ && !TARGET_SINGLE_PIC_BASE && !TARGET_FDPIC
&& arm_pic_register != INVALID_REGNUM
&& crtl->uses_pic_offset_table)
save_reg_mask |= 1 << PIC_OFFSET_TABLE_REGNUM;
@@ -19504,7 +19504,7 @@ arm_compute_save_reg0_reg12_mask (void)
/* If we aren't loading the PIC register,
don't stack it even though it may be live. */
if (flag_pic
- && !TARGET_SINGLE_PIC_BASE
+ && !TARGET_SINGLE_PIC_BASE && !TARGET_FDPIC
&& arm_pic_register != INVALID_REGNUM
&& (df_regs_ever_live_p (PIC_OFFSET_TABLE_REGNUM)
|| crtl->uses_pic_offset_table))
--
2.6.3
next prev parent reply other threads:[~2018-10-11 13:37 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-11 13:36 [ARM/FDPIC v3 00/21] FDPIC ABI for ARM Christophe Lyon
2018-10-11 13:36 ` [ARM/FDPIC v3 01/21] [ARM] FDPIC: Add -mfdpic option support Christophe Lyon
2018-10-12 10:01 ` Richard Earnshaw (lists)
2018-10-17 8:13 ` Sandra Loosemore
2018-10-11 13:36 ` [ARM/FDPIC v3 02/21] [ARM] FDPIC: Handle arm*-*-uclinuxfdpiceabi in configure scripts Christophe Lyon
2018-10-12 10:14 ` Richard Earnshaw (lists)
2018-10-15 8:46 ` Christophe Lyon
2018-11-09 12:31 ` Christophe Lyon
2018-10-11 13:37 ` [ARM/FDPIC v3 04/21] [ARM] FDPIC: Add support for FDPIC for arm architecture Christophe Lyon
2018-10-12 11:02 ` Richard Earnshaw (lists)
2018-10-19 13:57 ` Christophe Lyon
2018-10-23 15:12 ` Richard Earnshaw (lists)
2018-10-26 16:34 ` Christophe Lyon
2018-10-26 16:41 ` Richard Earnshaw (lists)
2018-10-29 10:31 ` Christophe Lyon
2018-10-11 13:37 ` [ARM/FDPIC v3 05/21] [ARM] FDPIC: Fix __do_global_dtors_aux and frame_dummy generation Christophe Lyon
2018-10-12 11:29 ` Richard Earnshaw (lists)
2018-10-11 13:37 ` [ARM/FDPIC v3 03/21] [ARM] FDPIC: Force FDPIC related options unless -mno-fdpic is provided Christophe Lyon
2018-10-12 10:46 ` Richard Earnshaw (lists)
2018-10-15 10:35 ` Christophe Lyon
2018-10-23 15:01 ` Richard Earnshaw (lists)
2018-10-23 15:42 ` Segher Boessenkool
2018-10-26 15:33 ` Christophe Lyon
2018-10-29 14:25 ` Christophe Lyon
2018-10-29 23:15 ` Segher Boessenkool
2018-10-11 13:38 ` Christophe Lyon [this message]
2018-10-12 12:21 ` [ARM/FDPIC v3 07/21] [ARM] FDPIC: Avoid saving/restoring r9 on stack since it is RO Richard Earnshaw (lists)
2018-10-15 14:30 ` Christophe Lyon
2018-10-11 13:38 ` [ARM/FDPIC v3 08/21] [ARM] FDPIC: Ensure local/global binding for function descriptors Christophe Lyon
2018-10-12 12:39 ` Richard Earnshaw (lists)
2018-10-11 13:38 ` [ARM/FDPIC v3 06/21] [ARM] FDPIC: Add support for c++ exceptions Christophe Lyon
2018-10-12 11:54 ` Richard Earnshaw (lists)
2018-10-15 14:22 ` Christophe Lyon
2018-10-11 13:39 ` [ARM/FDPIC v3 10/21] [ARM] FDPIC: Implement TLS support Christophe Lyon
2018-10-11 13:39 ` [ARM/FDPIC v3 11/21] [ARM] FDPIC: Add support to unwind FDPIC signal frame Christophe Lyon
2018-10-11 13:39 ` [ARM/FDPIC v3 09/21] [ARM] FDPIC: Add support for taking address of nested function Christophe Lyon
2018-10-11 13:40 ` [ARM/FDPIC v3 12/21] [ARM] FDPIC: Restore r9 after we call __aeabi_read_tp Christophe Lyon
2018-10-19 14:02 ` Christophe Lyon
2018-10-11 13:40 ` [ARM/FDPIC v3 13/21] [ARM] FDPIC: Force LSB bit for PC in Cortex-M architecture Christophe Lyon
2018-10-11 13:41 ` [ARM/FDPIC v3 15/21] [ARM][testsuite] FDPIC: Adjust scan-assembler patterns Christophe Lyon
2018-10-11 13:41 ` [ARM/FDPIC v3 16/21] [ARM][testsuite] FDPIC: Skip v8-m and v6-m tests that currently produce an ICE Christophe Lyon
2018-10-11 13:41 ` [ARM/FDPIC v3 14/21] [ARM][testsuite] FDPIC: Skip unsupported tests Christophe Lyon
2018-10-11 13:42 ` [ARM/FDPIC v3 19/21] [ARM][testsuite] FDPIC: Enable tests on pie_enabled targets Christophe Lyon
2018-10-11 13:42 ` [ARM/FDPIC v3 17/21] [ARM][testsuite] FDPIC: Skip tests that don't work in PIC mode Christophe Lyon
2018-10-11 13:42 ` [ARM/FDPIC v3 18/21] [ARM][testsuite] FDPIC: Handle *-*-uclinux* Christophe Lyon
2018-10-11 13:43 ` [ARM/FDPIC v3 20/21] [ARM][testsuite] FDPIC: Adjust pr43698.c to avoid clash with uclibc Christophe Lyon
2018-10-11 13:56 ` [ARM/FDPIC v3 21/21] [ARM][testsuite] FDPIC: Skip tests using architecture older than v7 Christophe Lyon
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