gcc/
* config/xtensa/xtensa.h (TARGET_SALT): Change HW version from
26 (which corresponds to RF-2014.0) to 27 (which
corresponds to RG-2015.0, the release where salt/saltu opcodes
were introduced).
---
gcc/config/xtensa/xtensa.h | 2 +-
1 file changed, 1 ins
After switching to LRA xtensa backend generates the following code for
saving/loading registers:
movi a9, 0x190
add a9, a9, sp
s32i.n a3, a9, 0
instead of the shorter and more efficient
s32i a3, a9, 0x190
E.g. the following code can be used to reproduce it:
i
libgcc/
* unwind-arm-common.inc (__gnu_personality_sigframe_fdpic): Cast
last argument of _Unwind_VRS_Set to void *.
---
libgcc/unwind-arm-common.inc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libgcc/unwind-arm-common.inc b/libgcc/unwind-arm-common.inc
inde
On Thu, Mar 21, 2024 at 4:36 PM Takayuki 'January June' Suwa
wrote:
>
> int test(int a) {
>return a * 4 + 3;
> }
>
> In the example above, since Xtensa has instructions to add register value
> scaled by 2, 4 or 8 (and corresponding define_insns), we would expect them
> to be used but not,
On Fri, Mar 22, 2024 at 1:15 PM Max Filippov wrote:
>
> libgcc/
> * unwind-arm-common.inc (__gnu_personality_sigframe_fdpic): Cast
> last argument of _Unwind_VRS_Set to void *.
> ---
> libgcc/unwind-arm-common.inc | 2 +-
> 1 file changed, 1 insertion(+),
Hi Suwa-san,
On Sat, Feb 3, 2024 at 6:20 AM Takayuki 'January June' Suwa
wrote:
> After LRA transition, HImode constants that don't fit into signed 12 bits
> are no longer subject to constant synthesis:
with this change I get multiple ICEs during libgomp, libgfortran and
libstdc++ builds, e.g.:
On Sun, Feb 4, 2024 at 2:20 AM Takayuki 'January June' Suwa
wrote:
>
> After LRA transition, HImode constants that don't fit into signed 12 bits
> are no longer subject to constant synthesis:
>
> /* example */
> void test(void) {
> short foo = 32767;
> __asm__ ("" :: "r"(foo));
On Sat, Feb 3, 2024 at 6:19 AM Takayuki 'January June' Suwa
wrote:
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa.md (*eqne_zero_masked_bits):
> Add missing ":SI" to the match_operator.
> ---
> gcc/config/xtensa/xtensa.md | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reg
Hi Suwa-san,
I've finally processed the new issues introduced by this change.
On Wed, May 10, 2023 at 2:10 AM Max Filippov wrote:
> On Mon, May 8, 2023 at 6:38 AM Takayuki 'January June' Suwa
> wrote:
> >
> > gcc/ChangeLog:
> >
> >
From: Takayuki 'January June' Suwa
gcc/ChangeLog:
* config/xtensa/constraints.md (R, T, U):
Change define_constraint to define_memory_constraint.
* config/xtensa/predicates.md (move_operand): Don't check that a
constant pool operand size is a multiple of UNITS_PER
From: Takayuki 'January June' Suwa
gcc/ChangeLog:
* config/xtensa/constraints.md (R, T, U):
Change define_constraint to define_memory_constraint.
* config/xtensa/predicates.md (move_operand): Don't check that a
constant pool operand size is a multiple of UNITS_PER
On Wed, Jul 10, 2024 at 12:49 PM Ian Lance Taylor wrote:
> On Sun, May 26, 2024 at 11:51 PM Max Filippov wrote:
> > diff --git a/libbacktrace/internal.h b/libbacktrace/internal.h
> > index 4fa0af8cb6c9..456911166026 100644
> > --- a/libbacktrace/internal.h
> > ++
On Mon, Jul 15, 2024 at 10:21:18AM -0700, Ian Lance Taylor wrote:
> Can you see whether this patch works for FDPIC support? This is based
> on your patch but has various changes. Thanks.
Yes, it is working.
--
Thanks.
-- Max
libstdc++-v3/
* src/libbacktrace/Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add
-funwind-tables
* src/libbacktrace/Makefile.in: Regenerate.
---
libstdc++-v3/src/libbacktrace/Makefile.am | 4 ++--
libstdc++-v3/src/libbacktrace/Makefile.in | 4 ++--
2 files changed, 4 insertions(
bc.
Adding -funwind-tables to the libstdc++ version of libbacktrace fixed
that. Which makes me wonder how it works for other architectures?
Max Filippov (2):
libbacktrace: add FDPIC support
libstdc++-v3/src/libbacktrace: add -funwind-tables
libbacktrace/dwarf.c
Instead of a single base address FDPIC ELF files use load map: a
structure with an array of mappings for individual segments. Change
libbacktrace functions and structures to support that.
libbacktrace/
PR libbacktrace/114941
* dwarf.c: Include or if available.
(struct d
On Mon, May 27, 2024 at 12:01 AM Rainer Orth
wrote:
> > This is an RFC series that adds FDPIC ELF target support to
> > libbacktrace.
> >
> > While debugging this I've noticed that there's no unwinding info for the
> > libstdc++ version of libbacktrace, which made backtraces empty for me,
> > both
On Thu, May 30, 2024 at 6:33 AM Takayuki 'January June' Suwa
wrote:
>
> Instead of comparing directly, this patch replaces as much as possible with
> macros that determine RTX code such as REG_P(), SUBREG_P() or MEM_P(), etc.
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa.cc (xtensa_valid_m
On Thu, May 30, 2024 at 6:33 AM Takayuki 'January June' Suwa
wrote:
>
> In commit ad89d820bf, an "epilogue_done" member was added to the
> machine_function structure, but it is sufficient to use the existing
> "epilogue_completed" global variable.
>
> gcc/ChangeLog:
>
> * config/xtensa/xte
On Fri, May 31, 2024 at 07:23:13PM +0900, Takayuki 'January June' Suwa wrote:
> No functional changes.
>
> gcc/ChangeLog:
>
> * config/xtensa/predicates.md
> (subreg_HQI_lowpart_operator, xtensa_sminmax_operator):
> New operator predicates.
> * config/xtensa/xtensa-protos.
On Fri, May 31, 2024 at 07:24:48PM +0900, Takayuki 'January June' Suwa wrote:
> No functional changes.
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa-protos.h (xtensa_expand_call):
> Add the third argument as boolean.
> (xtensa_expand_epilogue): Remove the first argument.
>
On Sun, May 26, 2024 at 11:50 PM Max Filippov wrote:
>
> Instead of a single base address FDPIC ELF files use load map: a
> structure with an array of mappings for individual segments. Change
> libbacktrace functions and structures to support that.
Ping?
> libbacktrace/
Hi Suwa-san,
On Mon, Jun 17, 2024 at 04:17:15PM +0900, Takayuki 'January June' Suwa wrote:
> The previous constant synthesis logic had some issues that were non-fatal
> but worth considering:
>
> - It didn't work with DFmode literals, because those were cast to SImode
> rather SFmode when split
On Tue, Jun 18, 2024 at 7:56 PM Takayuki 'January June' Suwa
wrote:
>
> The previous constant synthesis logic had some issues that were non-fatal
> but worth considering:
>
> - It didn't work with DFmode literals, because those were cast to SImode
>rather SFmode when splitting into two natural
On Tue, Jun 18, 2024 at 10:00 PM Takayuki 'January June' Suwa
wrote:
>
> This patch makes avoid inserting a MEMW instruction before a load/store
> nstruction with volatile memory reference if there is already a MEMW
> immediately before it.
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa.cc
gcc/
* config/xtensa/xtensa.cc (xtensa_option_override_after_change):
New function.
(TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define as
xtensa_option_override_after_change.
(xtensa_option_override): Call
xtensa_option_override_after_change.
---
gcc/con
On Sun, Jul 14, 2024 at 4:05 AM Takayuki 'January June' Suwa
wrote:
>
> No functional changes.
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa.cc
> (gen_int_relational, gen_float_relational): Replace tempvar-based
> value-swapping codes with std::swap.
> * config/xten
On Sun, Jul 14, 2024 at 4:05 AM Takayuki 'January June' Suwa
wrote:
>
> [U]FLOAT.S machine instruction in Xtensa ISA, which converts an integer to
> a hardware single-precision FP register, has the ability to divide the
> result by power of two (0 to 15th).
>
> Similarly, [U]TRUNC.S instruction, w
On Sun, Jul 14, 2024 at 4:05 AM Takayuki 'January June' Suwa
wrote:
>
> They were once mistakenly removed with
> "xtensa: Remove old broken tweak for leaf function", but caused unwanted
> register spills.
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa.h (LEAF_REGISTERS, LEAF_REG_REMAP):
>
On Fri, Jul 19, 2024 at 1:35 PM Takayuki 'January June' Suwa
wrote:
>
> It is not wrong but also not optimal to specify that sibcalls require
> register A0 in RTX generation pass, by misleading DFA into thinking it
> is being used in function body.
> It would be better to specify it in pro_and_epi
On Tue, Jul 23, 2024 at 5:52 PM Takayuki 'January June' Suwa
wrote:
>
> We would like to implement the following to store a single-precision FP
> constant in a hardware FP register:
>
> - Load the bit-exact integer image of the pooled single-precision FP
>constant into an address (integer) reg
On Tue, Jul 23, 2024 at 5:52 PM Takayuki 'January June' Suwa
wrote:
>
> According to the implemented pipeline model, this cost can be assumed to be
> 1 clock cycle.
>
> gcc/ChangeLog:
>
> * config/xtensa/xtensa.cc (xtensa_insn_cost):
> Add a case statement for TYPE_FARITH.
Regtest
Functions __muldf3_aux, __divdf3_aux, __mulsf3_aux and __divsf3_aux
don't start with leaf_entry, so they need explicit .literal_position,
otherwise libgcc build fails in the presence of --text-section-literals.
2016-02-17 Max Filippov
libgcc/
* config/xtensa/ieee754-df.S (__muldf
On Wed, Feb 17, 2016 at 10:59 PM, augustine.sterl...@gmail.com
wrote:
> On Tue, Feb 16, 2016 at 4:35 PM, Max Filippov wrote:
>> Functions __muldf3_aux, __divdf3_aux, __mulsf3_aux and __divsf3_aux
>> don't start with leaf_entry, so they need explicit .literal_position,
>&
On Tue, Sep 15, 2015 at 9:21 PM, augustine.sterl...@gmail.com
wrote:
> On Tue, Sep 15, 2015 at 3:00 AM, Max Filippov wrote:
>> 2015-09-15 Max Filippov
>> gcc/
>> * config/xtensa/xtensa.c (xtensa_call_tls_desc): Use a10 or a2
>> to pass TLS call arg
2015-09-30 Max Filippov
gcc/
* config.gcc (xtensa*-*-uclinux*): New configuration.
* config/xtensa/uclinux.h: New file.
* config/xtensa/uclinux.opt: New file.
libgcc/
* config.host (xtensa*-*-uclinux*): New configuration.
---
gcc/config.gcc| 5
On Sat, Oct 3, 2015 at 6:19 PM, augustine.sterl...@gmail.com
wrote:
> On Wed, Sep 30, 2015 at 8:23 AM, Max Filippov wrote:
>> 2015-09-30 Max Filippov
>> gcc/
>> * config.gcc (xtensa*-*-uclinux*): New configuration.
>> * config/xtensa/uclinux.h: Ne
Xtensa hwloop_optimize segfaults when zero overhead loop is about to be
inserted as the first instruction of the function.
Insert zero overhead loop instruction into new basic block before the
loop when basic block that precedes the loop is empty.
2019-09-24 Max Filippov
gcc/
* config
On Thu, Sep 26, 2019 at 1:42 PM augustine.sterl...@gmail.com
wrote:
>
> On Tue, Sep 24, 2019 at 5:41 PM Max Filippov wrote:
> >
> > Xtensa hwloop_optimize segfaults when zero overhead loop is about to be
> > inserted as the first instruction of the function.
>
NAND is ~(a1 & a2), but xtensa_expand_atomic does ~a1 & a2.
That fixes libatomic tests atomic-op-{1,2}.
gcc/
2018-09-04 Max Filippov
* config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and
XOR operations in NAND case.
---
gcc/config/xtensa/xtensa.c | 6 +++---
NAND is ~(a1 & a2), but xtensa_expand_atomic does ~a1 & a2.
That fixes libatomic tests atomic-op-{1,2}.
gcc/
2018-09-04 Max Filippov
* config/xtensa/xtensa.c (xtensa_expand_atomic): Reorder AND and
XOR operations in NAND case.
---
Changes v1->v2:
- put final inver
On Tue, Sep 4, 2018 at 10:35 AM, augustine.sterl...@gmail.com
wrote:
> On Tue, Sep 4, 2018 at 9:42 AM Max Filippov wrote:
>>
>> NAND is ~(a1 & a2), but xtensa_expand_atomic does ~a1 & a2.
>> That fixes libatomic tests atomic-op-{1,2}.
>>
On Thu, May 25, 2017 at 11:15 AM, augustine.sterl...@gmail.com
wrote:
> On Mon, May 22, 2017 at 2:09 PM, Max Filippov wrote:
>> XCHAL_* macros from the xtensa-config.h are used in a number of places
>> that require them to be preprocessor constants. Rewrite these places so
>&
gcc/
2017-12-04 Max Filippov
* config/xtensa/xtensa.c (xtensa_asan_shadow_offset): New
function.
(TARGET_ASAN_SHADOW_OFFSET): New macro definition.
* config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): Set to 1 if
ASAN is enabled.
---
gcc/config/xtensa
On Mon, Dec 4, 2017 at 1:31 PM, Jakub Jelinek wrote:
> On Mon, Dec 04, 2017 at 01:28:53PM -0800, Max Filippov wrote:
>> gcc/
>> 2017-12-04 Max Filippov
>>
>> * config/xtensa/xtensa.c (xtensa_asan_shadow_offset): New
>> function.
>>
On Mon, Dec 4, 2017 at 9:37 PM, augustine.sterl...@gmail.com
wrote:
> On Mon, Dec 4, 2017 at 1:28 PM, Max Filippov wrote:
>> gcc/
>> 2017-12-04 Max Filippov
>>
>> * config/xtensa/xtensa.c (xtensa_asan_shadow_offset): New
>> function.
>>
on movsp.
Implement allocate_stack pattern for windowed ABI configuration and
insert an instruction that prevents reordering of frame memory access
and stack pointer update.
gcc/
2018-06-17 Max Filippov
* config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec
constant
On Tue, Jun 19, 2018 at 10:11 AM, augustine.sterl...@gmail.com
wrote:
> On Mon, Jun 18, 2018 at 3:10 PM, Max Filippov wrote:
>>
>> gcc/
>> 2018-06-17 Max Filippov
>>
>> * config/xtensa/xtensa.md (UNSPEC_FRAME_BLOCKAGE): New unspec
>>
libgcc/
2018-01-22 Max Filippov
* config/xtensa/ieee754-df.S (__addsf3, __subsf3, __mulsf3)
(__divsf3): Make NaN return value quiet.
* config/xtensa/ieee754-sf.S (__adddf3, __subdf3, __muldf3)
(__divdf3): Make NaN return value quiet.
---
libgcc/config/xtensa
On Tue, Jan 23, 2018 at 1:07 PM, augustine.sterl...@gmail.com
wrote:
> On Tue, Jan 23, 2018 at 9:55 AM, Max Filippov wrote:
>> libgcc/
>> 2018-01-22 Max Filippov
>>
>> * config/xtensa/ieee754-df.S (__addsf3, __subsf3, __mulsf3)
>> (__div
libgcc/
2018-01-31 Max Filippov
* config/xtensa/ieee754-df.S (__adddf3_aux): Add
.literal_position directive.
* config/xtensa/ieee754-sf.S (__addsf3_aux): Likewise.
---
libgcc/config/xtensa/ieee754-df.S | 1 +
libgcc/config/xtensa/ieee754-sf.S | 1 +
2 files changed, 2
On Wed, Jan 31, 2018 at 11:11 AM, augustine.sterl...@gmail.com
wrote:
> On Tue, Jan 30, 2018 at 8:02 PM, Max Filippov wrote:
>>
>> libgcc/
>> 2018-01-31 Max Filippov
>>
>> * config/xtensa/ieee754-df.S (__adddf3_aux): Add
>> .literal_
Hi Sterling,
On Wed, Jan 31, 2018 at 11:17 AM, Max Filippov wrote:
> On Wed, Jan 31, 2018 at 11:11 AM, augustine.sterl...@gmail.com
> wrote:
>> On Tue, Jan 30, 2018 at 8:02 PM, Max Filippov wrote:
>>>
>>> libgcc/
>>> 2018-01-31 Max Filippov
>&
On Thu, Feb 1, 2018 at 9:12 AM, Max Filippov wrote:
> On Wed, Jan 31, 2018 at 11:17 AM, Max Filippov wrote:
>> On Wed, Jan 31, 2018 at 11:11 AM, augustine.sterl...@gmail.com
>> wrote:
>>> On Tue, Jan 30, 2018 at 8:02 PM, Max Filippov wrote:
>>>>
>&g
On Wed, Feb 7, 2018 at 2:10 PM, Max Filippov wrote:
> On Thu, Feb 1, 2018 at 9:12 AM, Max Filippov wrote:
>> On Wed, Jan 31, 2018 at 11:17 AM, Max Filippov wrote:
>>> On Wed, Jan 31, 2018 at 11:11 AM, augustine.sterl...@gmail.com
>>> wrote:
>>>> On Tue
Earlier versions of xtensa FPU used to support preincrement FP load and
store instructions (lsiu/ssiu). Recent FPU supports postincrement FP
load and store instructions only (lsip/ssip). Use configuration macro to
decide which version is available.
2014-10-10 Max Filippov
gcc/
* config
modern xtensa cores with FPU.
Tested on xtensa-linux-uclibc.
Max Filippov (2):
xtensa: drop unimplemented floating point operations
xtensa: use pre- and postincrement FP load/store when available
gcc/config/xtensa/xtensa.h | 4 +++
gcc/config/xtensa/xtensa.md | 80
xtensa ISA never implemented FP division, reciprocal, square root and
inverse square root as single opcode. Remove patterns that can emit
them.
2014-10-09 Max Filippov
gcc/
* config/xtensa/xtensa.md (divsf3, *recipsf2, sqrtsf2, *rsqrtsf2):
remove.
---
gcc/config/xtensa/xtensa.md | 44
On Mon, Oct 13, 2014 at 8:03 PM, augustine.sterl...@gmail.com
wrote:
> On Sun, Oct 12, 2014 at 3:46 PM, Max Filippov wrote:
>> Hi Sterling,
>>
>> this series fixes two bugs in xtensa.md:
>
> HI Max, thanks for this. I don't see a patch though.
It's a c
On Mon, Oct 13, 2014 at 8:04 PM, augustine.sterl...@gmail.com
wrote:
> On Sun, Oct 12, 2014 at 3:46 PM, Max Filippov wrote:
>> 2014-10-10 Max Filippov
>>
>> gcc/
>> * config/xtensa/xtensa.h (TARGET_HARD_FLOAT_POSTINC): new macro.
>> * config/xte
On Mon, Oct 13, 2014 at 8:05 PM, augustine.sterl...@gmail.com
wrote:
> On Sun, Oct 12, 2014 at 3:46 PM, Max Filippov wrote:
>> xtensa ISA never implemented FP division, reciprocal, square root and
>> inverse square root as single opcode. Remove patterns that can emit
>> t
On Mon, Oct 13, 2014 at 8:04 PM, augustine.sterl...@gmail.com
wrote:
> On Sun, Oct 12, 2014 at 3:46 PM, Max Filippov wrote:
>> 2014-10-10 Max Filippov
>>
>> gcc/
>> * config/xtensa/xtensa.h (TARGET_HARD_FLOAT_POSTINC): new macro.
>> * config/xte
2014-10-15 Max Filippov
* MAINTAINERS (write-after-approval): Add myself.
Index: MAINTAINERS
===
--- MAINTAINERS (revision 216231)
+++ MAINTAINERS (revision 216232)
@@ -380,6 +380,7 @@
Chris Fairles
2015-05-20 Max Filippov
gcc/
* config/xtensa/xtensa.c (init_alignment_context): Replace MULT
by BITS_PER_UNIT with ASHIFT by exact_log2 (BITS_PER_UNIT).
---
gcc/config/xtensa/xtensa.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gcc/config/xtensa
On Wed, May 20, 2015 at 7:36 PM, augustine.sterl...@gmail.com
wrote:
> On Tue, May 19, 2015 at 8:31 PM, Max Filippov wrote:
>> 2015-05-20 Max Filippov
>> gcc/
>> * config/xtensa/xtensa.c (init_alignment_context): Replace MULT
>> by BITS_PER_UNI
On Tue, Feb 24, 2015 at 2:30 AM, augustine.sterl...@gmail.com
wrote:
> On Sat, Feb 21, 2015 at 4:19 PM, Max Filippov wrote:
>>
>> gcc for xtensa always aligns data at least to a word boundary, even when
>> it has smaller natural alignment. This results in unexpectedly high
Hi,
On Tue, Feb 24, 2015 at 6:54 PM, Jeff Law wrote:
>
> You can tackle them in any order you wish. However, I suspect fixing the
> xtensa backend may be easier. I don't have any good way to test xtensa, but
> something like the attached patch for the xtensa port should be sufficient.
I can co
Sterling,
On Wed, Feb 25, 2015 at 2:36 AM, augustine.sterl...@gmail.com
wrote:
> On Tue, Feb 24, 2015 at 2:05 PM, Max Filippov wrote:
>> On Tue, Feb 24, 2015 at 6:54 PM, Jeff Law wrote:
>>> You can tackle them in any order you wish. However, I suspect fixing the
>>
Hello,
this series adds call0 ABI support for xtensa. Code generation part is
well tested, but I'm not 100% sure about the exception handling part.
Please review.
Max Filippov (2):
Turn RETURN_ADDR_IN_PREVIOUS_FRAME into C expression
Implement call0 ABI for xtensa
gcc/built
This allows a target to support both windowed and non-windowed ABI.
2015-02-28 Max Filippov
gcc/
* builtins.c (expand_builtin_return_addr): Add
RETURN_ADDR_IN_PREVIOUS_FRAME to 'if' condition.
* config/sparc/sparc.h (RETURN_ADDR_IN_PREVIOUS_FRAM
call0 is an ABI that doesn't use register windows.
2015-02-28 Max Filippov
gcc/
* config/xtensa/constraints.md ("a" constraint): Include stack
pointer in case of call0 ABI.
("q" constraint): Make empty in case of call0 ABI.
("
On Sun, Mar 1, 2015 at 8:34 AM, augustine.sterl...@gmail.com
wrote:
> On Sat, Feb 28, 2015 at 10:14 AM, Max Filippov wrote:
>> This allows a target to support both windowed and non-windowed ABI.
>>
>> 2015-02-28 Max Filippov
>>
>> gcc/
>> * built
Richard, David, Eric,
could you please take a look and possibly approve the below changes for
sparc?
On Sat, Feb 28, 2015 at 9:14 PM, Max Filippov wrote:
> This allows a target to support both windowed and non-windowed ABI.
>
> 2015-02-28 Max Filippov
>
> gcc/
>
On Mon, Mar 2, 2015 at 1:07 AM, Joseph Myers wrote:
>
> On Sat, 28 Feb 2015, Max Filippov wrote:
>
> > This allows a target to support both windowed and non-windowed ABI.
> >
> > 2015-02-28 Max Filippov
> >
> > gcc/
> > *
This allows a target to support both windowed and non-windowed ABI.
2015-03-03 Max Filippov
gcc/
* builtins.c (expand_builtin_return_addr): Add
RETURN_ADDR_IN_PREVIOUS_FRAME to 'if' condition, remove
surrounding #ifdef.
* config/spa
On Tue, Mar 3, 2015 at 5:51 PM, Richard Henderson wrote:
> On 03/02/2015 10:42 PM, Max Filippov wrote:
>> gcc/
>> * builtins.c (expand_builtin_return_addr): Add
>> RETURN_ADDR_IN_PREVIOUS_FRAME to 'if' condition, remove
>> surrounding #i
On Tue, Mar 3, 2015 at 6:52 PM, H.J. Lu wrote:
> On Tue, Mar 3, 2015 at 7:05 AM, Max Filippov wrote:
>> On Tue, Mar 3, 2015 at 5:51 PM, Richard Henderson wrote:
>>> On 03/02/2015 10:42 PM, Max Filippov wrote:
>>>> gcc/
>>>> * bu
On Tue, Mar 3, 2015 at 7:13 PM, augustine.sterl...@gmail.com
wrote:
> On Sat, Feb 28, 2015 at 10:14 AM, Max Filippov wrote:
>> call0 is an ABI that doesn't use register windows.
>
> This is OK for xtensa.
Applied to trunk. Thanks!
-- Max
gcc/
* config/xtensa/xtensa.h (TARGET_DEBUG): New definition.
* config/xtensa/xtensa.md (define_attr "type"): New type "trap".
(define_insn "trap"): New definition.
---
gcc/config/xtensa/xtensa.h | 1 +
gcc/config/xtensa/xtensa.md | 15 ++-
2 files changed, 15
gcc/
* config/xtensa/xtensa.h (TARGET_DEBUG): New definition.
* config/xtensa/xtensa.md (define_attr "type"): New type "trap".
(define_insn "trap"): New definition.
---
Changes v1->v2:
- drop break.n, replace break 0, 0 with break 1, 15, coded breakpoint
that transfers con
On Wed, Jun 10, 2015 at 5:37 PM, augustine.sterl...@gmail.com
wrote:
> On Tue, Jun 9, 2015 at 3:14 PM, Max Filippov wrote:
>> gcc/
>> * config/xtensa/xtensa.h (TARGET_DEBUG): New definition.
>> * config/xtensa/xtensa.md (define_attr &q
for size is enabled.
2015-02-22 Max Filippov
gcc/
* config/xtensa/xtensa.h (CONSTANT_ALIGNMENT, DATA_ALIGNMENT):
use natural alignment when optimizing for size.
---
gcc/config/xtensa/xtensa.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gcc/config
Hello,
On Mon, Jun 17, 2019 at 6:10 PM Jeff Law wrote:
> On 6/17/19 6:58 PM, Wilco Dijkstra wrote:
> >> You mention that arm, mips and xtensa are still broken. Are they worse
> >> after this patch?
The testcase from the patch passes with the trunk xtensa-linux-gcc
with windowed ABI. But with th
-18 Max Filippov
gcc/
* config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
pointer adjustment for the case of no callee-saved registers and
stack frame bigger than 128 bytes.
---
gcc/config/xtensa/xtensa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion
On Tue, Jun 18, 2019 at 3:09 PM augustine.sterl...@gmail.com
wrote:
>
> On Tue, Jun 18, 2019 at 2:27 PM Max Filippov wrote:
> >
> > Stack pointer adjustment code in prologue missed a case of no
> > callee-saved registers and a stack frame size bigger than 128 byt
On Tue, Jun 18, 2019 at 10:07 AM Wilco Dijkstra wrote:
> > The testcase from the patch passes with the trunk xtensa-linux-gcc
> > with windowed ABI. But with the changes in this patch a lot of tests
> > that use longjmp are failing on xtensa-linux.
>
> Interesting. I looked at the _xtensa_nonlocal
On Tue, Jun 18, 2019 at 4:53 PM Wilco Dijkstra wrote:
> > It would work if a frame pointer was initialized in the function test, but
> > it wasn't:
>
> Right, because it unwinds, it needs a valid frame pointer since we no
> longer store the stack pointer. So xtensa_frame_pointer_required
> should
Xtensa architecture is not affected by speculation.
gcc/
2018-12-30 Max Filippov
* config/xtensa/xtensa.c (TARGET_HAVE_SPECULATION_SAFE_VALUE):
Define to speculation_safe_value_not_needed.
---
gcc/config/xtensa/xtensa.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a
On Sun, Dec 30, 2018 at 8:06 PM augustine.sterl...@gmail.com
wrote:
> On Sun, Dec 30, 2018 at 1:06 AM Max Filippov wrote:
> > Xtensa architecture is not affected by speculation.
> >
> > gcc/
> > 2018-12-30 Max Filippov
> >
>
On Tue, Jun 18, 2019 at 3:23 PM Max Filippov wrote:
>
> On Tue, Jun 18, 2019 at 3:09 PM augustine.sterl...@gmail.com
> wrote:
> >
> > On Tue, Jun 18, 2019 at 2:27 PM Max Filippov wrote:
> > >
> > > Stack pointer adjustment code in prologue missed a case o
sa-uclinux.
gcc/
2018-11-04 Max Filippov
* config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0.
---
gcc/config/xtensa/uclinux.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/xtensa/uclinux.h b/gcc/config/xtensa/uclinux.h
index ba26187c8f7a..1c
sa-uclinux.
gcc/
2018-11-04 Max Filippov
* config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0.
---
Changes v1->v2:
- fix up comment for the XTENSA_ALWAYS_PIC macro
gcc/config/xtensa/uclinux.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/
On Mon, Nov 5, 2018 at 3:18 PM augustine.sterl...@gmail.com
wrote:
>
> On Mon, Nov 5, 2018 at 11:07 AM Max Filippov wrote:
>>
>> xtensa-uclinux uses bFLT executable file format that cannot relocate
>> fields representing offsets from data to code. C++ objects built
-08 Max Filippov
* cgraphunit.c (cgraph_node::expand_thunk): Remove
assemble_start_function and assemble_end_function calls.
* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Call
assemble_start_function and assemble_end_function.
* config/arc/arc.c
On Wed, May 15, 2019 at 2:46 PM Richard Sandiford
wrote:
>
> Max Filippov writes:
> > Let backends call assemble_start_function after they have generated
> > thunk function body so that a constant pool could be output if it is
> > required. This may help backends to a
Change that moved assemble_start_function/assemble_end_function to
backends missed aarch64. Fix that.
Committed as obvious.
gcc/
2019-05-17 Max Filippov
* config/aarch64/aarch64.c (aarch64_output_mi_thunk): Call
assemble_start_function and assemble_end_function.
---
gcc
to fix it differently?
---8<---
>From bad901880a3f9fc69726aa082e2b2c674bacca94 Mon Sep 17 00:00:00 2001
From: Max Filippov
Date: Mon, 7 Jan 2019 18:22:12 -0800
Subject: [PATCH] gcc: move assemble_start_function / assemble_end_function to
output_mi_thunk
Let backends call assemble_start_fun
Sorry, wrong list, meant to send to g...@gcc.gnu.org
--
Thanks.
-- Max
On Fri, Jan 11, 2019 at 10:50 AM Jeff Law wrote:
> I think this needs to defer to gcc-10
Ok, will resend when in stage1.
--
Thanks.
-- Max
This enables options -fstack-usage and -Wstack-usage.
2016-08-21 Max Filippov
gcc/
* config/xtensa/xtensa.c (xtensa_expand_prologue): Update
current_function_static_stack_size variable with the static
stack frame size of the current function when
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