Replace _rdrand_uXX with _rdrandXX_step.

gcc/

2010-12-28  H.J. Lu  <hongjiu.lu@intel.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386-builtin-types.def (PUSHORT): New.
	(INT_FTYPE_PUSHORT): Likewise.
	(INT_FTYPE_PUNSIGNED): Likewise.
	(INT_FTYPE_PULONGLONG): Likewise.
	Remove "DEF_FUNCTION_TYPE (UINT16)".

	* config/i386/i386.c (ix86_builtins): Remove
	IX86_BUILTIN_RDRAND16, IX86_BUILTIN_RDRAND32 and
	IX86_BUILTIN_RDRAND64.  Add IX86_BUILTIN_RDRAND16_STEP,
	IX86_BUILTIN_RDRAND32_STEP and IX86_BUILTIN_RDRAND64_STEP.
	(bdesc_special_args): Remove IX86_BUILTIN_RDRAND16,
	IX86_BUILTIN_RDRAND32 and IX86_BUILTIN_RDRAND64.
	(ix86_init_mmx_sse_builtins): Handle IX86_BUILTIN_RDRAND16_STEP,
	IX86_BUILTIN_RDRAND32_STEP and IX86_BUILTIN_RDRAND64_STEP.
	(ix86_expand_builtin): Likewise.
	(ix86_expand_special_args_builtin): Remove UINT16_FTYPE_VOID.

	* config/i386/i386.md (UNSPEC_RDRAND): New.
	(UNSPECV_RDRAND): Removed.
	(rdrand<mode>): Likewise.
	(rdrand<mode>_1): Also set FLAGS_REG.  Replace UNSPECV_RDRAND
	with UNSPEC_RDRAND.

	* config/i386/immintrin.h (_rdrand_u16): Removed.
	(_rdrand_u32): Likewise.
	(_rdrand_u64): Likewise.
	(_rdrand16_step): New.
	(_rdrand32_step): Likewise.
	(_rdrand64_step): Likewise.

	* doc/extend.texi (__builtin_ia32_rdrand16): Removed.
	(__builtin_ia32_rdrand32): Likewise.
	(__builtin_ia32_rdrand64): Likewise.
	(__builtin_ia32_rdrand16_step): New.
	(__builtin_ia32_rdrand32_step): Likewise.
	(__builtin_ia32_rdrand64_step): Likewise.

gcc/testsuite/

2010-12-28  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/rdrand-1.c: Updated.
	* gcc.target/i386/rdrand-2.c: Likewise.
	* gcc.target/i386/rdrand-3.c: Likewise.

Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>

From-SVN: r168298
This commit is contained in:
H.J. Lu 2010-12-28 19:33:40 +00:00 committed by H.J. Lu
parent e8c2fb69ae
commit 11c4a1c004
10 changed files with 144 additions and 68 deletions

View File

@ -1,3 +1,43 @@
2010-12-28 H.J. Lu <hongjiu.lu@intel.com>
Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386-builtin-types.def (PUSHORT): New.
(INT_FTYPE_PUSHORT): Likewise.
(INT_FTYPE_PUNSIGNED): Likewise.
(INT_FTYPE_PULONGLONG): Likewise.
Remove "DEF_FUNCTION_TYPE (UINT16)".
* config/i386/i386.c (ix86_builtins): Remove
IX86_BUILTIN_RDRAND16, IX86_BUILTIN_RDRAND32 and
IX86_BUILTIN_RDRAND64. Add IX86_BUILTIN_RDRAND16_STEP,
IX86_BUILTIN_RDRAND32_STEP and IX86_BUILTIN_RDRAND64_STEP.
(bdesc_special_args): Remove IX86_BUILTIN_RDRAND16,
IX86_BUILTIN_RDRAND32 and IX86_BUILTIN_RDRAND64.
(ix86_init_mmx_sse_builtins): Handle IX86_BUILTIN_RDRAND16_STEP,
IX86_BUILTIN_RDRAND32_STEP and IX86_BUILTIN_RDRAND64_STEP.
(ix86_expand_builtin): Likewise.
(ix86_expand_special_args_builtin): Remove UINT16_FTYPE_VOID.
* config/i386/i386.md (UNSPEC_RDRAND): New.
(UNSPECV_RDRAND): Removed.
(rdrand<mode>): Likewise.
(rdrand<mode>_1): Also set FLAGS_REG. Replace UNSPECV_RDRAND
with UNSPEC_RDRAND.
* config/i386/immintrin.h (_rdrand_u16): Removed.
(_rdrand_u32): Likewise.
(_rdrand_u64): Likewise.
(_rdrand16_step): New.
(_rdrand32_step): Likewise.
(_rdrand64_step): Likewise.
* doc/extend.texi (__builtin_ia32_rdrand16): Removed.
(__builtin_ia32_rdrand32): Likewise.
(__builtin_ia32_rdrand64): Likewise.
(__builtin_ia32_rdrand16_step): New.
(__builtin_ia32_rdrand32_step): Likewise.
(__builtin_ia32_rdrand64_step): Likewise.
2010-12-28 Sebastian Pop <sebastian.pop@amd.com>
* Makefile.in (graphite.o): Add dependence on DIAGNOSTIC_H.

View File

@ -107,6 +107,7 @@ DEF_POINTER_TYPE (PCVOID, VOID, CONST)
DEF_POINTER_TYPE (PVOID, VOID)
DEF_POINTER_TYPE (PDOUBLE, DOUBLE)
DEF_POINTER_TYPE (PFLOAT, FLOAT)
DEF_POINTER_TYPE (PUSHORT, USHORT)
DEF_POINTER_TYPE (PINT, INT)
DEF_POINTER_TYPE (PULONGLONG, ULONGLONG)
DEF_POINTER_TYPE (PUNSIGNED, UNSIGNED)
@ -128,7 +129,6 @@ DEF_POINTER_TYPE (PCV8SF, V8SF, CONST)
DEF_FUNCTION_TYPE (FLOAT128)
DEF_FUNCTION_TYPE (UINT64)
DEF_FUNCTION_TYPE (UNSIGNED)
DEF_FUNCTION_TYPE (UINT16)
DEF_FUNCTION_TYPE (VOID)
DEF_FUNCTION_TYPE (PVOID)
@ -203,6 +203,9 @@ DEF_FUNCTION_TYPE (VOID, PCVOID)
DEF_FUNCTION_TYPE (VOID, PVOID)
DEF_FUNCTION_TYPE (VOID, UINT64)
DEF_FUNCTION_TYPE (VOID, UNSIGNED)
DEF_FUNCTION_TYPE (INT, PUSHORT)
DEF_FUNCTION_TYPE (INT, PUNSIGNED)
DEF_FUNCTION_TYPE (INT, PULONGLONG)
DEF_FUNCTION_TYPE (DI, V2DI, INT)
DEF_FUNCTION_TYPE (DOUBLE, V2DF, INT)

View File

@ -24142,9 +24142,9 @@ enum ix86_builtins
IX86_BUILTIN_WRGSBASE64,
/* RDRND instructions. */
IX86_BUILTIN_RDRAND16,
IX86_BUILTIN_RDRAND32,
IX86_BUILTIN_RDRAND64,
IX86_BUILTIN_RDRAND16_STEP,
IX86_BUILTIN_RDRAND32_STEP,
IX86_BUILTIN_RDRAND64_STEP,
/* F16C instructions. */
IX86_BUILTIN_CVTPH2PS,
@ -24435,11 +24435,6 @@ static const struct builtin_description bdesc_special_args[] =
{ OPTION_MASK_ISA_FSGSBASE | OPTION_MASK_ISA_64BIT, CODE_FOR_wrfsbasedi, "__builtin_ia32_wrfsbase64", IX86_BUILTIN_WRFSBASE64, UNKNOWN, (int) VOID_FTYPE_UINT64 },
{ OPTION_MASK_ISA_FSGSBASE | OPTION_MASK_ISA_64BIT, CODE_FOR_wrgsbasesi, "__builtin_ia32_wrgsbase32", IX86_BUILTIN_WRGSBASE32, UNKNOWN, (int) VOID_FTYPE_UNSIGNED },
{ OPTION_MASK_ISA_FSGSBASE | OPTION_MASK_ISA_64BIT, CODE_FOR_wrgsbasedi, "__builtin_ia32_wrgsbase64", IX86_BUILTIN_WRGSBASE64, UNKNOWN, (int) VOID_FTYPE_UINT64 },
/* RDRND */
{ OPTION_MASK_ISA_RDRND, CODE_FOR_rdrandhi, "__builtin_ia32_rdrand16", IX86_BUILTIN_RDRAND16, UNKNOWN, (int) UINT16_FTYPE_VOID },
{ OPTION_MASK_ISA_RDRND, CODE_FOR_rdrandsi, "__builtin_ia32_rdrand32", IX86_BUILTIN_RDRAND32, UNKNOWN, (int) UNSIGNED_FTYPE_VOID },
{ OPTION_MASK_ISA_RDRND | OPTION_MASK_ISA_64BIT, CODE_FOR_rdranddi, "__builtin_ia32_rdrand64", IX86_BUILTIN_RDRAND64, UNKNOWN, (int) UINT64_FTYPE_VOID },
};
/* Builtins with variable number of arguments. */
@ -25448,6 +25443,15 @@ ix86_init_mmx_sse_builtins (void)
def_builtin_const (OPTION_MASK_ISA_PCLMUL, "__builtin_ia32_pclmulqdq128",
V2DI_FTYPE_V2DI_V2DI_INT, IX86_BUILTIN_PCLMULQDQ128);
/* RDRND */
def_builtin (OPTION_MASK_ISA_RDRND, "__builtin_ia32_rdrand16_step",
INT_FTYPE_PUSHORT, IX86_BUILTIN_RDRAND16_STEP);
def_builtin (OPTION_MASK_ISA_RDRND, "__builtin_ia32_rdrand32_step",
INT_FTYPE_PUNSIGNED, IX86_BUILTIN_RDRAND32_STEP);
def_builtin (OPTION_MASK_ISA_RDRND | OPTION_MASK_ISA_64BIT,
"__builtin_ia32_rdrand64_step", INT_FTYPE_PULONGLONG,
IX86_BUILTIN_RDRAND64_STEP);
/* MMX access to the vec_init patterns. */
def_builtin_const (OPTION_MASK_ISA_MMX, "__builtin_ia32_vec_init_v2si",
V2SI_FTYPE_INT_INT, IX86_BUILTIN_VEC_INIT_V2SI);
@ -26703,7 +26707,6 @@ ix86_expand_special_args_builtin (const struct builtin_description *d,
break;
case UINT64_FTYPE_VOID:
case UNSIGNED_FTYPE_VOID:
case UINT16_FTYPE_VOID:
nargs = 0;
klass = load;
memory = 0;
@ -27215,6 +27218,51 @@ ix86_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED,
return target;
}
case IX86_BUILTIN_RDRAND16_STEP:
icode = CODE_FOR_rdrandhi_1;
mode0 = HImode;
goto rdrand_step;
case IX86_BUILTIN_RDRAND32_STEP:
icode = CODE_FOR_rdrandsi_1;
mode0 = SImode;
goto rdrand_step;
case IX86_BUILTIN_RDRAND64_STEP:
icode = CODE_FOR_rdranddi_1;
mode0 = DImode;
rdrand_step:
op0 = gen_reg_rtx (mode0);
emit_insn (GEN_FCN (icode) (op0));
op1 = gen_reg_rtx (SImode);
emit_move_insn (op1, CONST1_RTX (SImode));
/* Emit SImode conditional move. */
if (mode0 == HImode)
{
op2 = gen_reg_rtx (SImode);
emit_insn (gen_zero_extendhisi2 (op2, op0));
}
else if (mode0 == SImode)
op2 = op0;
else
op2 = gen_rtx_SUBREG (SImode, op0, 0);
pat = gen_rtx_GEU (VOIDmode, gen_rtx_REG (CCCmode, FLAGS_REG),
const0_rtx);
emit_insn (gen_rtx_SET (VOIDmode, op1,
gen_rtx_IF_THEN_ELSE (SImode, pat, op2, op1)));
emit_move_insn (target, op1);
arg0 = CALL_EXPR_ARG (exp, 0);
op1 = expand_normal (arg0);
if (!address_operand (op1, VOIDmode))
op1 = copy_addr_to_reg (op1);
emit_move_insn (gen_rtx_MEM (mode0, op1), op0);
return target;
default:
break;
}

View File

@ -232,6 +232,9 @@
;; For BMI support
UNSPEC_BEXTR
;; For RDRAND support
UNSPEC_RDRAND
])
(define_c_enum "unspecv" [
@ -265,7 +268,6 @@
UNSPECV_RDGSBASE
UNSPECV_WRFSBASE
UNSPECV_WRGSBASE
UNSPECV_RDRAND
UNSPECV_SPLIT_STACK_RETURN
])
@ -18284,36 +18286,13 @@
[(set_attr "type" "other")
(set_attr "prefix_extra" "2")])
(define_expand "rdrand<mode>"
[(set (match_operand:SWI248 0 "register_operand" "=r")
(unspec_volatile:SWI248 [(const_int 0)] UNSPECV_RDRAND))]
"TARGET_RDRND"
{
rtx retry_label, insn, ccc;
retry_label = gen_label_rtx ();
emit_label (retry_label);
/* Generate rdrand. */
emit_insn (gen_rdrand<mode>_1 (operands[0]));
/* Retry if the carry flag isn't valid. */
ccc = gen_rtx_REG (CCCmode, FLAGS_REG);
ccc = gen_rtx_EQ (VOIDmode, ccc, const0_rtx);
ccc = gen_rtx_IF_THEN_ELSE (VOIDmode, ccc, pc_rtx,
gen_rtx_LABEL_REF (VOIDmode, retry_label));
insn = emit_jump_insn (gen_rtx_SET (VOIDmode, pc_rtx, ccc));
JUMP_LABEL (insn) = retry_label;
DONE;
})
(define_insn "rdrand<mode>_1"
[(set (match_operand:SWI248 0 "register_operand" "=r")
(unspec_volatile:SWI248 [(const_int 0)] UNSPECV_RDRAND))]
(unspec:SWI248 [(const_int 0)] UNSPEC_RDRAND))
(set (reg:CCC FLAGS_REG)
(unspec:CCC [(const_int 0)] UNSPEC_RDRAND))]
"TARGET_RDRND"
"rdrand %0"
"rdrand\t%0"
[(set_attr "type" "other")
(set_attr "prefix_extra" "1")])

View File

@ -57,18 +57,18 @@
#endif
#ifdef __RDRND__
extern __inline unsigned short
extern __inline int
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
_rdrand_u16 (void)
_rdrand16_step (unsigned short *__P)
{
return __builtin_ia32_rdrand16 ();
return __builtin_ia32_rdrand16_step (__P);
}
extern __inline unsigned int
extern __inline int
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
_rdrand_u32 (void)
_rdrand32_step (unsigned int *__P)
{
return __builtin_ia32_rdrand32 ();
return __builtin_ia32_rdrand32_step (__P);
}
#endif /* __RDRND__ */
@ -132,11 +132,11 @@ _writegsbase_u64 (unsigned long long __B)
#endif /* __FSGSBASE__ */
#ifdef __RDRND__
extern __inline unsigned long long
extern __inline int
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
_rdrand_u64 (void)
_rdrand64_step (unsigned long long *__P)
{
return __builtin_ia32_rdrand64 ();
return __builtin_ia32_rdrand64_step (__P);
}
#endif /* __RDRND__ */
#endif /* __x86_64__ */

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@ -9381,9 +9381,9 @@ used. All of them generate the machine instruction that is part of the
name.
@smallexample
unsigned short __builtin_ia32_rdrand16 (void)
unsigned int __builtin_ia32_rdrand32 (void)
unsigned long long __builtin_ia32_rdrand64 (void)
unsigned int __builtin_ia32_rdrand16_step (unsigned short *)
unsigned int __builtin_ia32_rdrand32_step (unsigned int *)
unsigned int __builtin_ia32_rdrand64_step (unsigned long long *)
@end smallexample
The following built-in functions are available when @option{-msse4a} is used.

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@ -1,3 +1,9 @@
2010-12-28 H.J. Lu <hongjiu.lu@intel.com>
* gcc.target/i386/rdrand-1.c: Updated.
* gcc.target/i386/rdrand-2.c: Likewise.
* gcc.target/i386/rdrand-3.c: Likewise.
2010-12-28 Nicola Pero <nicola.pero@meta-innovation.com>
* objc.dg/class-extension-4.m: New.

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@ -1,12 +1,12 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mrdrnd " } */
/* { dg-final { scan-assembler "rdrand\[ \t]+(%|)ax" } } */
/* { dg-final { scan-assembler "jnc\[ \t]+" } } */
/* { dg-options "-O2 -mrdrnd -dp" } */
/* { dg-final { scan-assembler-times "rdrandhi_1" 1 } } */
/* { dg-final { scan-assembler-times "\\*movsicc_noc" 1 } } */
#include <immintrin.h>
unsigned short
read_rdrand16 (void)
int
foo (unsigned short *x)
{
return _rdrand_u16 ();
return _rdrand16_step (x);
}

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@ -1,12 +1,12 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mrdrnd " } */
/* { dg-final { scan-assembler "rdrand\[ \t]+(%|)eax" } } */
/* { dg-final { scan-assembler "jnc\[ \t]+" } } */
/* { dg-options "-O2 -mrdrnd -dp" } */
/* { dg-final { scan-assembler-times "rdrandsi_1" 1 } } */
/* { dg-final { scan-assembler-times "\\*movsicc_noc" 1 } } */
#include <immintrin.h>
unsigned int
read_rdrand32 (void)
int
foo (unsigned int *x)
{
return _rdrand_u32 ();
return _rdrand32_step (x);
}

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@ -1,13 +1,13 @@
/* { dg-do compile } */
/* { dg-require-effective-target lp64 } */
/* { dg-options "-O2 -mrdrnd " } */
/* { dg-final { scan-assembler "rdrand\[ \t]+(%|)rax" } } */
/* { dg-final { scan-assembler "jnc\[ \t]+" } } */
/* { dg-options "-O2 -mrdrnd -dp" } */
/* { dg-final { scan-assembler-times "rdranddi_1" 1 } } */
/* { dg-final { scan-assembler-times "\\*movsicc_noc" 1 } } */
#include <immintrin.h>
unsigned long long
read_rdrand64 (void)
int
foo (unsigned long long *x)
{
return _rdrand_u64 ();
return _rdrand64_step (x);
}