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PR target/37841: Fix SPU abi
From-SVN: r141356
This commit is contained in:
Michael Meissner
Michael Meissner
parent
d3a5ecb5dc
commit
099590dcb6
@ -1,3 +1,15 @@
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2008-10-24 Michael Meissner <meissner@linux.vnet.ibm.com>
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PR target/37841
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* function.c (locate_and_pad_parm): If FUNCTION_ARG_ADJUST_OFFSET
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is defined, use it to modify the constant offset.
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* doc/tm.texi (FUNCTION_ARG_OFFSET): Document new macro.
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* config/spu/spu.h (FUNCTION_ARG_OFFSET): New macro to move char
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and short arguments to the correct location as mandated by the
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ABI.
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2008-10-24 Kaz Kojima <kkojima@gcc.gnu.org>
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PR rtl-optimization/37769
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@ -354,6 +354,14 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin; \
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: (MODE) == VOIDmode ? 1 \
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: HARD_REGNO_NREGS(CUM,MODE))
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/* The SPU ABI wants 32/64-bit types at offset 0 in the quad-word on the
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stack. 8/16-bit types should be at offsets 3/2 respectively. */
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#define FUNCTION_ARG_OFFSET(MODE, TYPE) \
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(((TYPE) && INTEGRAL_TYPE_P (TYPE) && GET_MODE_SIZE (MODE) < 4) \
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? (4 - GET_MODE_SIZE (MODE)) \
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: 0)
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#define FUNCTION_ARG_PADDING(MODE,TYPE) upward
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#define PAD_VARARGS_DOWN 0
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@ -4110,6 +4110,15 @@ on the stack. The compiler knows how to track the amount of stack space
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used for arguments without any special help.
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@end defmac
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@defmac FUNCTION_ARG_OFFSET (@var{mode}, @var{type})
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If defined, a C expression that is the number of bytes to add to the
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offset of the argument passed in memory. This is needed for the SPU,
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which passes @code{char} and @code{short} arguments in the preferred
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slot that is in the middle of the quad word instead of starting at the
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top.
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@end defmac
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@defmac FUNCTION_ARG_PADDING (@var{mode}, @var{type})
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If defined, a C expression which determines whether, and in which direction,
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to pad out an argument with extra space. The value should be of type
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@ -3473,6 +3473,10 @@ locate_and_pad_parm (enum machine_mode passed_mode, tree type, int in_regs,
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locate->size.constant -= part_size_in_regs;
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#endif /* ARGS_GROW_DOWNWARD */
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#ifdef FUNCTION_ARG_OFFSET
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locate->offset.constant += FUNCTION_ARG_OFFSET (passed_mode, type);
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#endif
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}
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/* Round the stack offset in *OFFSET_PTR up to a multiple of BOUNDARY.
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@ -1,3 +1,8 @@
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2008-10-24 Michael Meissner <meissner@linux.vnet.ibm.com>
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PR target/37841
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* gcc.target/spu/abi.c: New file.
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2008-10-24 DJ Delorie <dj@redhat.com>
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* lib/scanasm.exp (scan-assembler, scan-assembler-not,
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474
gcc/testsuite/gcc.target/spu/abi.c
Normal file
474
gcc/testsuite/gcc.target/spu/abi.c
Normal file
@ -0,0 +1,474 @@
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/* { dg-do run } */
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/* { dg-options "-O2" } */
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/* Test that arguments are passed in the correct location according to the ABI. */
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#include <stdlib.h>
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/* Hack to allow calling func_asm which takes 84 arguments that are scalars.
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The function func_call takes 84 union quadword arguments, so we can check to
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see if each scalar is passed in the correct location. This asm glues the
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two functions together, so that the compiler is not aware of the
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aliasing. */
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__asm__ ("func_asm = func_call");
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typedef unsigned int uqword __attribute__((mode(TI)));
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typedef int qword __attribute__((mode(TI)));
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union u
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{
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uqword uq;
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qword sq;
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double d[2];
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float f[4];
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unsigned long long ull[2];
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long long sll[2];
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unsigned long ul[4];
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long sl[4];
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unsigned int ui[4];
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int si[4];
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unsigned short us[8];
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short ss[8];
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unsigned char uc[16];
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signed char sc[16];
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};
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extern void func_asm(signed char a1,
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unsigned char a2,
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short a3,
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unsigned short a4,
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int a5,
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unsigned int a6,
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long a7,
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unsigned long a8,
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long long a9,
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unsigned long long a10,
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float a11,
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double a12,
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int a13,
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int a14,
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int a15,
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int a16,
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int a17,
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int a18,
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int a19,
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int a20,
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int a21,
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int a22,
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int a23,
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int a24,
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int a25,
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int a26,
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int a27,
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int a28,
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int a29,
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int a30,
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int a31,
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int a32,
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int a33,
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int a34,
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int a35,
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int a36,
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int a37,
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int a38,
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int a39,
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int a40,
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int a41,
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int a42,
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int a43,
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int a44,
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int a45,
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int a46,
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int a47,
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int a48,
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int a49,
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int a50,
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int a51,
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int a52,
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int a53,
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int a54,
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int a55,
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int a56,
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int a57,
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int a58,
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int a59,
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int a60,
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int a61,
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int a62,
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int a63,
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int a64,
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int a65,
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int a66,
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int a67,
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int a68,
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int a69,
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int a70,
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int a71,
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int a72,
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signed char a73,
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unsigned char a74,
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short a75,
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unsigned short a76,
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int a77,
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unsigned int a78,
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long a79,
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unsigned long a80,
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long long a81,
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unsigned long long a82,
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float a83,
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double a84);
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void func_call(union u a1,
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union u a2,
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union u a3,
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union u a4,
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union u a5,
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union u a6,
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union u a7,
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union u a8,
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union u a9,
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union u a10,
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union u a11,
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union u a12,
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union u a13,
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union u a14,
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union u a15,
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union u a16,
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union u a17,
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union u a18,
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union u a19,
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union u a20,
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union u a21,
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union u a22,
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union u a23,
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union u a24,
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union u a25,
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union u a26,
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union u a27,
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union u a28,
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union u a29,
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union u a30,
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union u a31,
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union u a32,
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union u a33,
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union u a34,
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union u a35,
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union u a36,
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union u a37,
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union u a38,
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union u a39,
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union u a40,
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union u a41,
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union u a42,
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union u a43,
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union u a44,
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union u a45,
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union u a46,
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union u a47,
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union u a48,
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union u a49,
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union u a50,
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union u a51,
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union u a52,
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union u a53,
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union u a54,
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union u a55,
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union u a56,
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union u a57,
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union u a58,
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union u a59,
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union u a60,
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union u a61,
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union u a62,
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union u a63,
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union u a64,
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union u a65,
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union u a66,
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union u a67,
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union u a68,
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union u a69,
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union u a70,
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union u a71,
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union u a72,
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union u a73,
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union u a74,
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union u a75,
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union u a76,
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union u a77,
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union u a78,
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union u a79,
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union u a80,
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union u a81,
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union u a82,
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union u a83,
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union u a84)
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{
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/* arguments passed in registers */
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if (a1.sc[3] != -1) /* signed char */
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abort ();
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if (a2.uc[3] != +2) /* unsigned char */
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abort ();
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if (a3.ss[1] != -3) /* short */
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abort ();
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if (a4.us[1] != +4) /* unsigned short */
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abort ();
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if (a5.si[0] != -5) /* int */
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abort ();
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if (a6.ui[0] != +6) /* unsigned int */
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abort ();
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if (a7.sl[0] != -7) /* long */
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abort ();
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if (a8.ul[0] != +8) /* unsigned long */
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abort ();
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if (a9.sll[0] != -9) /* long long */
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abort ();
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if (a10.ull[0] != +10) /* unsigned long long */
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abort ();
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if (a11.f[0] != -11.0f) /* float */
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abort ();
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if (a12.d[0] != +12.0) /* double */
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abort ();
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if (a13.si[0] != -13) /* int */
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abort ();
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if (a14.si[0] != +14) /* int */
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abort ();
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if (a15.si[0] != -15) /* int */
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abort ();
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if (a16.si[0] != +16) /* int */
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abort ();
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if (a17.si[0] != -17) /* int */
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abort ();
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if (a18.si[0] != +18) /* int */
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abort ();
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if (a19.si[0] != -19) /* int */
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abort ();
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if (a20.si[0] != +20) /* int */
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abort ();
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if (a21.si[0] != -21) /* int */
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abort ();
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if (a22.si[0] != +22) /* int */
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abort ();
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if (a23.si[0] != -23) /* int */
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abort ();
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if (a24.si[0] != +24) /* int */
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abort ();
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if (a25.si[0] != -25) /* int */
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abort ();
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if (a26.si[0] != +26) /* int */
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abort ();
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if (a27.si[0] != -27) /* int */
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abort ();
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if (a28.si[0] != +28) /* int */
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abort ();
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if (a29.si[0] != -29) /* int */
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abort ();
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if (a30.si[0] != +30) /* int */
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abort ();
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if (a31.si[0] != -31) /* int */
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abort ();
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if (a32.si[0] != +32) /* int */
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abort ();
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if (a33.si[0] != -33) /* int */
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abort ();
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if (a34.si[0] != +34) /* int */
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abort ();
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if (a35.si[0] != -35) /* int */
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abort ();
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if (a36.si[0] != +36) /* int */
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abort ();
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if (a37.si[0] != -37) /* int */
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abort ();
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if (a38.si[0] != +38) /* int */
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abort ();
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if (a39.si[0] != -39) /* int */
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abort ();
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if (a40.si[0] != +40) /* int */
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abort ();
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if (a41.si[0] != -41) /* int */
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abort ();
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if (a42.si[0] != +42) /* int */
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abort ();
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if (a43.si[0] != -43) /* int */
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abort ();
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if (a44.si[0] != +44) /* int */
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abort ();
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if (a45.si[0] != -45) /* int */
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abort ();
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|
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if (a46.si[0] != +46) /* int */
|
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abort ();
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if (a47.si[0] != -47) /* int */
|
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abort ();
|
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|
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if (a48.si[0] != +48) /* int */
|
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abort ();
|
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|
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if (a49.si[0] != -49) /* int */
|
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abort ();
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|
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if (a50.si[0] != +50) /* int */
|
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abort ();
|
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|
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if (a51.si[0] != -51) /* int */
|
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abort ();
|
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|
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if (a52.si[0] != +52) /* int */
|
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abort ();
|
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|
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if (a53.si[0] != -53) /* int */
|
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abort ();
|
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|
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if (a54.si[0] != +54) /* int */
|
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abort ();
|
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|
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if (a55.si[0] != -55) /* int */
|
||||
abort ();
|
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|
||||
if (a56.si[0] != +56) /* int */
|
||||
abort ();
|
||||
|
||||
if (a57.si[0] != -57) /* int */
|
||||
abort ();
|
||||
|
||||
if (a58.si[0] != +58) /* int */
|
||||
abort ();
|
||||
|
||||
if (a59.si[0] != -59) /* int */
|
||||
abort ();
|
||||
|
||||
if (a60.si[0] != +60) /* int */
|
||||
abort ();
|
||||
|
||||
if (a61.si[0] != -61) /* int */
|
||||
abort ();
|
||||
|
||||
if (a62.si[0] != +62) /* int */
|
||||
abort ();
|
||||
|
||||
if (a63.si[0] != -63) /* int */
|
||||
abort ();
|
||||
|
||||
if (a64.si[0] != +64) /* int */
|
||||
abort ();
|
||||
|
||||
if (a65.si[0] != -65) /* int */
|
||||
abort ();
|
||||
|
||||
if (a66.si[0] != +66) /* int */
|
||||
abort ();
|
||||
|
||||
if (a67.si[0] != -67) /* int */
|
||||
abort ();
|
||||
|
||||
if (a68.si[0] != +68) /* int */
|
||||
abort ();
|
||||
|
||||
if (a69.si[0] != -69) /* int */
|
||||
abort ();
|
||||
|
||||
if (a70.si[0] != +70) /* int */
|
||||
abort ();
|
||||
|
||||
if (a71.si[0] != -71) /* int */
|
||||
abort ();
|
||||
|
||||
if (a72.si[0] != +72) /* int */
|
||||
abort ();
|
||||
|
||||
/* arguments passed on the stack */
|
||||
if (a73.sc[3] != -73) /* signed char */
|
||||
abort ();
|
||||
|
||||
if (a74.uc[3] != 74) /* unsigned char */
|
||||
abort ();
|
||||
|
||||
if (a75.ss[1] != -75) /* short */
|
||||
abort ();
|
||||
|
||||
if (a76.us[1] != +76) /* unsigned short */
|
||||
abort ();
|
||||
|
||||
if (a77.si[0] != -77) /* int */
|
||||
abort ();
|
||||
|
||||
if (a78.ui[0] != +78) /* unsigned int */
|
||||
abort ();
|
||||
|
||||
if (a79.sl[0] != -79) /* long */
|
||||
abort ();
|
||||
|
||||
if (a80.ul[0] != +80) /* unsigned long */
|
||||
abort ();
|
||||
|
||||
if (a81.sll[0] != -81) /* long long */
|
||||
abort ();
|
||||
|
||||
if (a82.ull[0] != +82) /* unsigned long long */
|
||||
abort ();
|
||||
|
||||
if (a83.f[0] != -83.0f) /* float */
|
||||
abort ();
|
||||
|
||||
if (a84.d[0] != +84.0) /* double */
|
||||
abort ();
|
||||
}
|
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|
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int main(void)
|
||||
{
|
||||
func_asm(-1, +2, -3, +4, -5, +6, -7, +8, -9, +10,
|
||||
-11, +12, -13, +14, -15, +16, -17, +18, -19, +20,
|
||||
-21, +22, -23, +24, -25, +26, -27, +28, -29, +30,
|
||||
-31, +32, -33, +34, -35, +36, -37, +38, -39, +40,
|
||||
-41, +42, -43, +44, -45, +46, -47, +48, -49, +50,
|
||||
-51, +52, -53, +54, -55, +56, -57, +58, -59, +60,
|
||||
-61, +62, -63, +64, -65, +66, -67, +68, -69, +70,
|
||||
-71, +72, -73, +74, -75, +76, -77, +78, -79, +80,
|
||||
-81, +82, -83, +84);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user