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re PR target/61535 (SIGBUS in gen_group_rtx compiling 64-bit gcc.dg/vect/vect-singleton_1.c)

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PR target/61535
	* config/sparc/sparc.c (function_arg_vector_value): Deal with vectors
	smaller than 8 bytes.
	(sparc_function_arg_1): Tweak.
	(sparc_function_value_1): Tweak.

From-SVN: r217377
This commit is contained in:
Eric Botcazou 2014-11-11 22:09:40 +00:00 committed by Eric Botcazou
parent 35485da996
commit 58926ad471
2 changed files with 25 additions and 17 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2014-11-11 Eric Botcazou <ebotcazou@adacore.com>
PR target/61535
* config/sparc/sparc.c (function_arg_vector_value): Deal with vectors
smaller than 8 bytes.
(sparc_function_arg_1): Tweak.
(sparc_function_value_1): Tweak.
2014-11-11 David Malcolm <dmalcolm@redhat.com>
* ChangeLog.jit: New.

34
gcc/config/sparc/sparc.c
View File

@ -6819,28 +6819,30 @@ function_arg_union_value (int size, machine_mode mode, int slotno,
}
/* Used by function_arg and sparc_function_value_1 to implement the conventions
for passing and returning large (BLKmode) vectors.
for passing and returning BLKmode vectors.
Return an expression valid as a return value for the FUNCTION_ARG
and TARGET_FUNCTION_VALUE.
SIZE is the size in bytes of the vector (at least 8 bytes).
SIZE is the size in bytes of the vector.
REGNO is the FP hard register the vector will be passed in. */
static rtx
function_arg_vector_value (int size, int regno)
{
int i, nregs = size / 8;
rtx regs;
const int nregs = MAX (1, size / 8);
rtx regs = gen_rtx_PARALLEL (BLKmode, rtvec_alloc (nregs));
regs = gen_rtx_PARALLEL (BLKmode, rtvec_alloc (nregs));
for (i = 0; i < nregs; i++)
{
if (size < 8)
XVECEXP (regs, 0, 0)
= gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (SImode, regno),
const0_rtx);
else
for (int i = 0; i < nregs; i++)
XVECEXP (regs, 0, i)
= gen_rtx_EXPR_LIST (VOIDmode,
gen_rtx_REG (DImode, regno + 2*i),
GEN_INT (i*8));
}
return regs;
}
@ -6886,10 +6888,9 @@ sparc_function_arg_1 (cumulative_args_t cum_v, machine_mode mode,
|| (TARGET_ARCH64 && size <= 16));
if (mode == BLKmode)
return function_arg_vector_value (size,
SPARC_FP_ARG_FIRST + 2*slotno);
else
mclass = MODE_FLOAT;
return function_arg_vector_value (size, SPARC_FP_ARG_FIRST + 2*slotno);
mclass = MODE_FLOAT;
}
if (TARGET_ARCH32)
@ -7333,10 +7334,9 @@ sparc_function_value_1 (const_tree type, machine_mode mode,
|| (TARGET_ARCH64 && size <= 32));
if (mode == BLKmode)
return function_arg_vector_value (size,
SPARC_FP_ARG_FIRST);
else
mclass = MODE_FLOAT;
return function_arg_vector_value (size, SPARC_FP_ARG_FIRST);
mclass = MODE_FLOAT;
}
if (TARGET_ARCH64 && type)