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Re: [PATCHv5] Fix not 8-byte aligned ldrd/strd on ARMv5 (PR 89544)


On 2019-08-15 3:47 p.m., Bernd Edlinger wrote:
> 2019-08-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
>
> 	PR middle-end/89544
> 	* function.c (assign_parm_find_stack_rtl): Use larger alignment
> 	when possible.
This patch breaks build on hppa-unknown-linux-gnu:
https://buildd.debian.org/status/fetch.php?pkg=gcc-snapshot&arch=hppa&ver=1%3A20190820-1&stamp=1566307455&raw=0

hppa-linux-gnu-g++-9 -std=gnu++98 -fno-PIE -c   -g -DIN_GCC     -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H -I. -I. -I../../src/gcc -I../../src/gcc/. -I../../src/gcc/../include -I../../src/gcc/../libcpp/include  -I../../src/gcc/../libdecnumber -I../../src/gcc/../libdecnumber/dpd -I../libdecnumber -I../../src/gcc/../libbacktrace   -o function.o -MT function.o -MMD -MP -MF ./.deps/function.TPo ../../src/gcc/function.c
hppa-linux-gnu-g++-9 -std=gnu++98 -fno-PIE -c   -g -DIN_GCC     -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H -I. -I. -I../../src/gcc -I../../src/gcc/. -I../../src/gcc/../include -I../../src/gcc/../libcpp/include  -I../../src/gcc/../libdecnumber -I../../src/gcc/../libdecnumber/dpd -I../libdecnumber -I../../src/gcc/../libbacktrace   -o function-tests.o -MT function-tests.o -MMD -MP -MF ./.deps/function-tests.TPo ../../src/gcc/function-tests.c
hppa-linux-gnu-g++-9 -std=gnu++98 -fno-PIE -c   -g -DIN_GCC     -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H -I. -I. -I../../src/gcc -I../../src/gcc/. -I../../src/gcc/../include -I../../src/gcc/../libcpp/include  -I../../src/gcc/../libdecnumber -I../../src/gcc/../libdecnumber/dpd -I../libdecnumber -I../../src/gcc/../libbacktrace   -o fwprop.o -MT fwprop.o -MMD -MP -MF ./.deps/fwprop.TPo ../../src/gcc/fwprop.c
../../src/gcc/function.c: In function 'void assign_parm_find_stack_rtl(tree, assign_parm_data_one*)':
../../src/gcc/function.c:2690:28: error: no match for 'operator==' (operand types are 'poly_int<1, long long int>' and 'int')
 2690 |    && STACK_POINTER_OFFSET == 0)
      |                            ^~ ~
      |                               |
      |                               int
In file included from ../../src/gcc/coretypes.h:415,
                 from ../../src/gcc/function.c:36:
../../src/gcc/wide-int.h:3287:19: note: candidate: 'template<class T1, class T2> typename wi::binary_traits<T1, T2>::predicate_result operator==(const T1&, const T2&)'
 3287 | BINARY_PREDICATE (operator ==, eq_p)
      |                   ^~~~~~~~
../../src/gcc/wide-int.h:3264:3: note: in definition of macro 'BINARY_PREDICATE'
 3264 |   OP (const T1 &x, const T2 &y) \
      |   ^~
../../src/gcc/wide-int.h:3287:19: note:   template argument deduction/substitution failed:
 3287 | BINARY_PREDICATE (operator ==, eq_p)
      |                   ^~~~~~~~
../../src/gcc/wide-int.h:3264:3: note: in definition of macro 'BINARY_PREDICATE'
 3264 |   OP (const T1 &x, const T2 &y) \
      |   ^~
../../src/gcc/wide-int.h: In substitution of 'template<class T1, class T2> typename wi::binary_traits<T1, T2>::predicate_result operator==(const T1&, const T2&) [with T1 = poly_int<1, long long int>; T2 = int]':
../../src/gcc/function.c:2690:31:   required from here
../../src/gcc/wide-int.h:3287:19: error: incomplete type 'wi::int_traits<poly_int<1, long long int> >' used in nested name specifier
 3287 | BINARY_PREDICATE (operator ==, eq_p)
      |                   ^~~~~~~~
../../src/gcc/wide-int.h:3264:3: note: in definition of macro 'BINARY_PREDICATE'
 3264 |   OP (const T1 &x, const T2 &y) \
      |   ^~
make[5]: *** [Makefile:1118: function.o] Error 1
make[5]: *** Waiting for unfinished jobs....

We have the following define for STACK_POINTER_OFFSET:

#define STACK_POINTER_OFFSET \
  (TARGET_64BIT ? -(crtl->outgoing_args_size + 48) : poly_int64 (-32))
 
Dave

-- 
John David Anglin  dave.anglin@bell.net


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