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nvptx.c (nvptx_function_arg_boundary): New.

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* config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
	(TARGET_FUNCTION_ARG_BOUNDARY): Override.

	testsuite/
	* gcc.target/nvptx/abi-vararg-3.c: New.

From-SVN: r236345
This commit is contained in:
Nathan Sidwell 2016-05-17 21:16:49 +00:00 committed by Nathan Sidwell
parent ad1d92ab9f
commit 1988b2c22a
4 changed files with 35 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2016-05-17 Nathan Sidwell <nathan@acm.org>
* config/nvptx/nvptx.c (nvptx_function_arg_boundary): New.
(TARGET_FUNCTION_ARG_BOUNDARY): Override.
2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
PR tree-optimization/54579

13
gcc/config/nvptx/nvptx.c
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@ -464,6 +464,17 @@ nvptx_function_arg_advance (cumulative_args_t cum_v,
cum->count++;
}
/* Implement TARGET_FUNCTION_ARG_BOUNDARY.
For nvptx This is only used for varadic args. The type has already
been promoted and/or converted to invisible reference. */
static unsigned
nvptx_function_arg_boundary (machine_mode mode, const_tree ARG_UNUSED (type))
{
return GET_MODE_ALIGNMENT (mode);
}
/* Handle the TARGET_STRICT_ARGUMENT_NAMING target hook.
For nvptx, we know how to handle functions declared as stdarg: by
@ -4835,6 +4846,8 @@ nvptx_goacc_reduction (gcall *call)
#define TARGET_FUNCTION_INCOMING_ARG nvptx_function_incoming_arg
#undef TARGET_FUNCTION_ARG_ADVANCE
#define TARGET_FUNCTION_ARG_ADVANCE nvptx_function_arg_advance
#undef TARGET_FUNCTION_ARG_BOUNDARY
#define TARGET_FUNCTION_ARG_BOUNDARY nvptx_function_arg_boundary
#undef TARGET_PASS_BY_REFERENCE
#define TARGET_PASS_BY_REFERENCE nvptx_pass_by_reference
#undef TARGET_FUNCTION_VALUE_REGNO_P

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2016-05-17 Nathan Sidwell <nathan@acm.org>
* gcc.target/nvptx/abi-vararg-3.c: New.
2016-05-17 Mikhail Maltsev <maltsevm@gmail.com>
PR tree-optimization/54579

13
gcc/testsuite/gcc.target/nvptx/abi-vararg-3.c Normal file
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@ -0,0 +1,13 @@
/* { dg-do compile } */
/* { dg-additional-options "-Wno-pedantic -Wno-long-long" } */
/* 64-bit var args should be aligned to 64 bits. */
void Foo (const char *, ...);
void Baz ()
{
Foo ("", 0, 1ll);
}
/* { dg-final { scan-assembler "st.u64\t\\\[%stack\\+8\\\]," } } */