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mips.c (mips_dwarf_frame_reg_mode): Replace TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64 and fpxx modes.

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* config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
	TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
	and fpxx modes.

	* g++.dg/eh/o32-fp.C: New.
	* gcc.target/mips/dwarfregtable-1.c: New.
	* gcc.target/mips/dwarfregtable-2.c: New.
	* gcc.target/mips/dwarfregtable-3.c: New.
	* gcc.target/mips/dwarfregtable-4.c: New.
	* gcc.target/mips/dwarfregtable.h: New.

From-SVN: r271331
This commit is contained in:
Dragan Mladjenovic 2019-05-17 16:28:28 +00:00 • committed by Jeff Law
parent 6f1becb660
commit d9fea2c63d
9 changed files with 105 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2019-05-17 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
* config/mips/mips.c (mips_dwarf_frame_reg_mode): Replace
TARGET_FLOAT64 with !TARGET_FLOAT32, thus handling both fp64
and fpxx modes.
2019-05-17 H.J. Lu <hongjiu.lu@intel.com>
PR target/90497

2
gcc/config/mips/mips.c
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@ -9588,7 +9588,7 @@ mips_dwarf_frame_reg_mode (int regno)
{
machine_mode mode = default_dwarf_frame_reg_mode (regno);
if (FP_REG_P (regno) && mips_abi == ABI_32 && TARGET_FLOAT64)
if (FP_REG_P (regno) && mips_abi == ABI_32 && !TARGET_FLOAT32)
mode = SImode;
return mode;

9
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,12 @@
2019-05-17 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
* g++.dg/eh/o32-fp.C: New.
* gcc.target/mips/dwarfregtable-1.c: New.
* gcc.target/mips/dwarfregtable-2.c: New.
* gcc.target/mips/dwarfregtable-3.c: New.
* gcc.target/mips/dwarfregtable-4.c: New.
* gcc.target/mips/dwarfregtable.h: New.
2019-05-17 H.J. Lu <hongjiu.lu@intel.com>
* gcc.target/x86_64/abi/test_varargs-m128.c: New file.

47
gcc/testsuite/g++.dg/eh/o32-fp.C Normal file
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@ -0,0 +1,47 @@
// Test whether call saved float are restored properly for O32 ABI
// { dg-do run { target { { { mips*-*-linux* } && hard_float } && { ! mips64 } } } }
// { dg-options "-O2" }
void __attribute__((noinline))
bar (void)
{
throw 1;
}
void __attribute__((noinline))
foo (void)
{
register double f20 __asm__ ("f20") = 0.0;
register double f22 __asm__ ("f22") = 0.0;
register double f24 __asm__ ("f24") = 0.0;
register double f26 __asm__ ("f26") = 0.0;
register double f28 __asm__ ("f28") = 0.0;
register double f30 __asm__ ("f30") = 0.0;
__asm__ __volatile__("":"+f"(f20),"+f"(f22),"+f"(f24),"+f"(f26),"+f"(f30));
bar ();
}
int
main (void)
{
register double f20 __asm__ ("f20") = 12.0;
register double f22 __asm__ ("f22") = 13.0;
register double f24 __asm__ ("f24") = 14.0;
register double f26 __asm__ ("f26") = 15.0;
register double f28 __asm__ ("f28") = 16.0;
register double f30 __asm__ ("f30") = 17.0;
try
{
foo ();
}
catch (...)
{
__asm__ ("":"+f"(f20),"+f"(f22),"+f"(f24),"+f"(f26),"+f"(f30));
}
if (f20 != 12.0 || f22 != 13.0 || f24 != 14.0
|| f26 != 15.0 || f28 != 16.0 || f30 != 17.0)
__builtin_abort ();
return 0;
}

5
gcc/testsuite/gcc.target/mips/dwarfregtable-1.c Normal file
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@ -0,0 +1,5 @@
/* Check if content of dwarf reg size table matches the expected. */
/* { dg-do run } */
/* { dg-options "-mabi=32 -mfp32" } */
#include "dwarfregtable.h"

5
gcc/testsuite/gcc.target/mips/dwarfregtable-2.c Normal file
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@ -0,0 +1,5 @@
/* Check if content of dwarf reg size table matches the expected. */
/* { dg-do run } */
/* { dg-options "-mabi=32 -mfpxx" } */
#include "dwarfregtable.h"

5
gcc/testsuite/gcc.target/mips/dwarfregtable-3.c Normal file
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@ -0,0 +1,5 @@
/* Check if content of dwarf reg size table matches the expected. */
/* { dg-do run } */
/* { dg-options "-mabi=32 -mfp64" } */
#include "dwarfregtable.h"

5
gcc/testsuite/gcc.target/mips/dwarfregtable-4.c Normal file
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@ -0,0 +1,5 @@
/* Check if content of dwarf reg size table matches the expected. */
/* { dg-do run } */
/* { dg-options "-mabi=32 -mfp64 -modd-spreg" } */
#include "dwarfregtable.h"

22
gcc/testsuite/gcc.target/mips/dwarfregtable.h Normal file
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@ -0,0 +1,22 @@
typedef unsigned Unwind_Word __attribute__((__mode__(__unwind_word__)));
#define DWARF_FRAME_REGISTERS 188
static unsigned char ref_dwarf_reg_size_table[DWARF_FRAME_REGISTERS + 1] =
{
[0 ... 66] = sizeof (Unwind_Word),
[80 ... 181] = sizeof (Unwind_Word)
};
static unsigned char dwarf_reg_size_table[DWARF_FRAME_REGISTERS + 1] = {};
int
main (void)
{
__builtin_init_dwarf_reg_size_table (dwarf_reg_size_table);
if (__builtin_memcmp (ref_dwarf_reg_size_table,
dwarf_reg_size_table, DWARF_FRAME_REGISTERS + 1) != 0)
__builtin_abort ();
return 0;
}