#include "langhooks.h"
#include "cgraph.h"
#include "gimple.h"
-#include "elf/dwarf2.h"
+#include "dwarf2.h"
#include "df.h"
#include "tm-constrs.h"
#include "params.h"
target_option_default_node = target_option_current_node
= build_target_option_node ();
}
+
+/* Update register usage after having seen the compiler flags. */
+
+void
+ix86_conditional_register_usage (void)
+{
+ int i;
+ unsigned int j;
+
+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
+ {
+ if (fixed_regs[i] > 1)
+ fixed_regs[i] = (fixed_regs[i] == (TARGET_64BIT ? 3 : 2));
+ if (call_used_regs[i] > 1)
+ call_used_regs[i] = (call_used_regs[i] == (TARGET_64BIT ? 3 : 2));
+ }
+
+ /* The PIC register, if it exists, is fixed. */
+ j = PIC_OFFSET_TABLE_REGNUM;
+ if (j != INVALID_REGNUM)
+ fixed_regs[j] = call_used_regs[j] = 1;
+
+ /* The MS_ABI changes the set of call-used registers. */
+ if (TARGET_64BIT && ix86_cfun_abi () == MS_ABI)
+ {
+ call_used_regs[SI_REG] = 0;
+ call_used_regs[DI_REG] = 0;
+ call_used_regs[XMM6_REG] = 0;
+ call_used_regs[XMM7_REG] = 0;
+ for (i = FIRST_REX_SSE_REG; i <= LAST_REX_SSE_REG; i++)
+ call_used_regs[i] = 0;
+ }
+
+ /* The default setting of CLOBBERED_REGS is for 32-bit; add in the
+ other call-clobbered regs for 64-bit. */
+ if (TARGET_64BIT)
+ {
+ CLEAR_HARD_REG_SET (reg_class_contents[(int)CLOBBERED_REGS]);
+
+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
+ if (TEST_HARD_REG_BIT (reg_class_contents[(int)GENERAL_REGS], i)
+ && call_used_regs[i])
+ SET_HARD_REG_BIT (reg_class_contents[(int)CLOBBERED_REGS], i);
+ }
+
+ /* If MMX is disabled, squash the registers. */
+ if (! TARGET_MMX)
+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
+ if (TEST_HARD_REG_BIT (reg_class_contents[(int)MMX_REGS], i))
+ fixed_regs[i] = call_used_regs[i] = 1, reg_names[i] = "";
+
+ /* If SSE is disabled, squash the registers. */
+ if (! TARGET_SSE)
+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
+ if (TEST_HARD_REG_BIT (reg_class_contents[(int)SSE_REGS], i))
+ fixed_regs[i] = call_used_regs[i] = 1, reg_names[i] = "";
+
+ /* If the FPU is disabled, squash the registers. */
+ if (! (TARGET_80387 || TARGET_FLOAT_RETURNS_IN_80387))
+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
+ if (TEST_HARD_REG_BIT (reg_class_contents[(int)FLOAT_REGS], i))
+ fixed_regs[i] = call_used_regs[i] = 1, reg_names[i] = "";
+
+ /* If 32-bit, squash the 64-bit registers. */
+ if (! TARGET_64BIT)
+ {
+ for (i = FIRST_REX_INT_REG; i <= LAST_REX_INT_REG; i++)
+ reg_names[i] = "";
+ for (i = FIRST_REX_SSE_REG; i <= LAST_REX_SSE_REG; i++)
+ reg_names[i] = "";
+ }
+}
+
\f
/* Save the current options */
static bool
ix86_function_ok_for_sibcall (tree decl, tree exp)
{
- tree func;
+ tree type, decl_or_type;
rtx a, b;
/* If we are generating position-independent code, we cannot sibcall
if (!TARGET_64BIT && flag_pic && (!decl || !targetm.binds_local_p (decl)))
return false;
+ /* If we need to align the outgoing stack, then sibcalling would
+ unalign the stack, which may break the called function. */
+ if (ix86_incoming_stack_boundary < PREFERRED_STACK_BOUNDARY)
+ return false;
+
if (decl)
- func = decl;
+ {
+ decl_or_type = decl;
+ type = TREE_TYPE (decl);
+ }
else
{
- func = TREE_TYPE (CALL_EXPR_FN (exp));
- if (POINTER_TYPE_P (func))
- func = TREE_TYPE (func);
+ /* We're looking at the CALL_EXPR, we need the type of the function. */
+ type = CALL_EXPR_FN (exp); /* pointer expression */
+ type = TREE_TYPE (type); /* pointer type */
+ type = TREE_TYPE (type); /* function type */
+ decl_or_type = type;
}
/* Check that the return value locations are the same. Like
differences in the return value ABI. Note that it is ok for one
of the functions to have void return type as long as the return
value of the other is passed in a register. */
- a = ix86_function_value (TREE_TYPE (exp), func, false);
+ a = ix86_function_value (TREE_TYPE (exp), decl_or_type, false);
b = ix86_function_value (TREE_TYPE (DECL_RESULT (cfun->decl)),
cfun->decl, false);
if (STACK_REG_P (a) || STACK_REG_P (b))
else if (!rtx_equal_p (a, b))
return false;
- /* If this call is indirect, we'll need to be able to use a call-clobbered
- register for the address of the target function. Make sure that all
- such registers are not used for passing parameters. */
- if (!decl && !TARGET_64BIT)
+ if (TARGET_64BIT)
{
- tree type;
-
- /* We're looking at the CALL_EXPR, we need the type of the function. */
- type = CALL_EXPR_FN (exp); /* pointer expression */
- type = TREE_TYPE (type); /* pointer type */
- type = TREE_TYPE (type); /* function type */
-
- if (ix86_function_regparm (type, NULL) >= 3)
+ /* The SYSV ABI has more call-clobbered registers;
+ disallow sibcalls from MS to SYSV. */
+ if (cfun->machine->call_abi == MS_ABI
+ && ix86_function_type_abi (type) == SYSV_ABI)
+ return false;
+ }
+ else
+ {
+ /* If this call is indirect, we'll need to be able to use a
+ call-clobbered register for the address of the target function.
+ Make sure that all such registers are not used for passing
+ parameters. Note that DLLIMPORT functions are indirect. */
+ if (!decl
+ || (TARGET_DLLIMPORT_DECL_ATTRIBUTES && DECL_DLLIMPORT_P (decl)))
{
- /* ??? Need to count the actual number of registers to be used,
- not the possible number of registers. Fix later. */
- return false;
+ if (ix86_function_regparm (type, NULL) >= 3)
+ {
+ /* ??? Need to count the actual number of registers to be used,
+ not the possible number of registers. Fix later. */
+ return false;
+ }
}
}
- /* Dllimport'd functions are also called indirectly. */
- if (TARGET_DLLIMPORT_DECL_ATTRIBUTES
- && !TARGET_64BIT
- && decl && DECL_DLLIMPORT_P (decl)
- && ix86_function_regparm (TREE_TYPE (decl), NULL) >= 3)
- return false;
-
- /* If we need to align the outgoing stack, then sibcalling would
- unalign the stack, which may break the called function. */
- if (ix86_incoming_stack_boundary < PREFERRED_STACK_BOUNDARY)
- return false;
-
/* Otherwise okay. That also includes certain types of indirect calls. */
return true;
}
if (TARGET_64BIT)
{
/* Do not warn when emulating the MS ABI. */
- if (TREE_CODE (*node) != FUNCTION_TYPE || ix86_function_type_abi (*node)!=MS_ABI)
+ if (TREE_CODE (*node) != FUNCTION_TYPE
+ || ix86_function_type_abi (*node) != MS_ABI)
warning (OPT_Wattributes, "%qE attribute ignored",
name);
*no_add_attrs = true;
/* Set up the number of registers to use for passing arguments. */
if (cum->call_abi == MS_ABI && !ACCUMULATE_OUTGOING_ARGS)
- sorry ("ms_abi attribute require -maccumulate-outgoing-args or subtarget optimization implying it");
+ sorry ("ms_abi attribute requires -maccumulate-outgoing-args "
+ "or subtarget optimization implying it");
cum->nregs = ix86_regparm;
if (TARGET_64BIT)
{
|| (TARGET_64BIT && frame->to_allocate >= (HOST_WIDE_INT) 0x80000000))
frame->save_regs_using_mov = false;
- if (!TARGET_64BIT_MS_ABI && TARGET_RED_ZONE && current_function_sp_is_unchanging
+ if (!TARGET_64BIT_MS_ABI && TARGET_RED_ZONE
+ && current_function_sp_is_unchanging
&& current_function_is_leaf
&& !ix86_current_function_calls_tls_descriptor)
{
op1 = force_reg (Pmode, op1);
else if (!TARGET_64BIT || !x86_64_movabs_operand (op1, Pmode))
{
- rtx reg = !can_create_pseudo_p () ? op0 : NULL_RTX;
+ rtx reg = can_create_pseudo_p () ? NULL_RTX : op0;
op1 = legitimize_pic_address (op1, reg);
if (op0 == op1)
return;
all elements of the vector register. If INVERT is true, then create
a mask excluding the sign bit. */
-static rtx
+rtx
ix86_build_signbit_mask (enum machine_mode mode, bool vect, bool invert)
{
enum machine_mode vec_mode, imode;
op0 = CONST0_RTX (vmode);
else
{
- rtvec v;
-
- if (mode == SFmode)
- v = gen_rtvec (4, op0, CONST0_RTX (SFmode),
- CONST0_RTX (SFmode), CONST0_RTX (SFmode));
- else
- v = gen_rtvec (2, op0, CONST0_RTX (DFmode));
+ rtx v = ix86_build_const_vector (mode, false, op0);
- op0 = force_reg (vmode, gen_rtx_CONST_VECTOR (vmode, v));
+ op0 = force_reg (vmode, v);
}
}
else if (op0 != CONST0_RTX (mode))
&& GET_CODE (XEXP (fnaddr, 0)) == SYMBOL_REF
&& !local_symbolic_operand (XEXP (fnaddr, 0), VOIDmode))
fnaddr = gen_rtx_MEM (QImode, construct_plt_address (XEXP (fnaddr, 0)));
- else if (! call_insn_operand (XEXP (fnaddr, 0), Pmode))
+ else if (sibcall
+ ? !sibcall_insn_operand (XEXP (fnaddr, 0), Pmode)
+ : !call_insn_operand (XEXP (fnaddr, 0), Pmode))
{
fnaddr = copy_to_mode_reg (Pmode, XEXP (fnaddr, 0));
fnaddr = gen_rtx_MEM (QImode, fnaddr);
}
- if (sibcall && TARGET_64BIT
- && !constant_call_address_operand (XEXP (fnaddr, 0), Pmode))
- {
- rtx addr;
- addr = copy_to_mode_reg (Pmode, XEXP (fnaddr, 0));
- fnaddr = gen_rtx_REG (Pmode, R11_REG);
- emit_move_insn (fnaddr, addr);
- fnaddr = gen_rtx_MEM (QImode, fnaddr);
- }
call = gen_rtx_CALL (VOIDmode, fnaddr, callarg1);
if (retval)
}
return align;
}
+
+/* Compute the minimum required alignment for dynamic stack realignment
+ purposes for a local variable, parameter or a stack slot. EXP is
+ the data type or decl itself, MODE is its mode and ALIGN is the
+ alignment that the object would ordinarily have. */
+
+unsigned int
+ix86_minimum_alignment (tree exp, enum machine_mode mode,
+ unsigned int align)
+{
+ tree type, decl;
+
+ if (TARGET_64BIT || align != 64 || ix86_preferred_stack_boundary >= 64)
+ return align;
+
+ if (exp && DECL_P (exp))
+ {
+ type = TREE_TYPE (exp);
+ decl = exp;
+ }
+ else
+ {
+ type = exp;
+ decl = NULL;
+ }
+
+ /* Don't do dynamic stack realignment for long long objects with
+ -mpreferred-stack-boundary=2. */
+ if ((mode == DImode || (type && TYPE_MODE (type) == DImode))
+ && (!type || !TYPE_USER_ALIGN (type))
+ && (!decl || !DECL_USER_ALIGN (decl)))
+ return 32;
+
+ return align;
+}
\f
/* Emit RTL insns to initialize the variable parts of a trampoline.
FNADDR is an RTX for the address of the function's pure code.
IX86_BUILTIN_FABSQ,
IX86_BUILTIN_COPYSIGNQ,
+ /* Vectorizer support builtins. */
+ IX86_BUILTIN_CPYSGNPS,
+ IX86_BUILTIN_CPYSGNPD,
+
+ IX86_BUILTIN_CVTUDQ2PS,
+
/* SSE5 instructions */
IX86_BUILTIN_FMADDSS,
IX86_BUILTIN_FMADDSD,
{ OPTION_MASK_ISA_SSE, CODE_FOR_iorv4sf3, "__builtin_ia32_orps", IX86_BUILTIN_ORPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF },
{ OPTION_MASK_ISA_SSE, CODE_FOR_xorv4sf3, "__builtin_ia32_xorps", IX86_BUILTIN_XORPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF },
+ { OPTION_MASK_ISA_SSE, CODE_FOR_copysignv4sf3, "__builtin_ia32_copysignps", IX86_BUILTIN_CPYSGNPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF },
+
{ OPTION_MASK_ISA_SSE, CODE_FOR_sse_movss, "__builtin_ia32_movss", IX86_BUILTIN_MOVSS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF },
{ OPTION_MASK_ISA_SSE, CODE_FOR_sse_movhlps_exp, "__builtin_ia32_movhlps", IX86_BUILTIN_MOVHLPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF },
{ OPTION_MASK_ISA_SSE, CODE_FOR_sse_movlhps_exp, "__builtin_ia32_movlhps", IX86_BUILTIN_MOVLHPS, UNKNOWN, (int) V4SF_FTYPE_V4SF_V4SF },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sqrtv2df2, "__builtin_ia32_sqrtpd", IX86_BUILTIN_SQRTPD, UNKNOWN, (int) V2DF_FTYPE_V2DF },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_cvtdq2pd, "__builtin_ia32_cvtdq2pd", IX86_BUILTIN_CVTDQ2PD, UNKNOWN, (int) V2DF_FTYPE_V4SI },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_cvtdq2ps, "__builtin_ia32_cvtdq2ps", IX86_BUILTIN_CVTDQ2PS, UNKNOWN, (int) V4SF_FTYPE_V4SI },
+ { OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_cvtudq2ps, "__builtin_ia32_cvtudq2ps", IX86_BUILTIN_CVTUDQ2PS, UNKNOWN, (int) V4SF_FTYPE_V4SI },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_cvtpd2dq, "__builtin_ia32_cvtpd2dq", IX86_BUILTIN_CVTPD2DQ, UNKNOWN, (int) V4SI_FTYPE_V2DF },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_cvtpd2pi, "__builtin_ia32_cvtpd2pi", IX86_BUILTIN_CVTPD2PI, UNKNOWN, (int) V2SI_FTYPE_V2DF },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_iorv2df3, "__builtin_ia32_orpd", IX86_BUILTIN_ORPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_xorv2df3, "__builtin_ia32_xorpd", IX86_BUILTIN_XORPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF },
+ { OPTION_MASK_ISA_SSE2, CODE_FOR_copysignv2df3, "__builtin_ia32_copysignpd", IX86_BUILTIN_CPYSGNPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF },
+
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_movsd, "__builtin_ia32_movsd", IX86_BUILTIN_MOVSD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_unpckhpd_exp, "__builtin_ia32_unpckhpd", IX86_BUILTIN_UNPCKHPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF },
{ OPTION_MASK_ISA_SSE2, CODE_FOR_sse2_unpcklpd_exp, "__builtin_ia32_unpcklpd", IX86_BUILTIN_UNPCKLPD, UNKNOWN, (int) V2DF_FTYPE_V2DF_V2DF },
return ix86_builtins[IX86_BUILTIN_CVTPS2DQ];
break;
+ case BUILT_IN_COPYSIGN:
+ if (out_mode == DFmode && out_n == 2
+ && in_mode == DFmode && in_n == 2)
+ return ix86_builtins[IX86_BUILTIN_CPYSGNPD];
+ break;
+
+ case BUILT_IN_COPYSIGNF:
+ if (out_mode == SFmode && out_n == 4
+ && in_mode == SFmode && in_n == 4)
+ return ix86_builtins[IX86_BUILTIN_CPYSGNPS];
+ break;
+
default:
;
}
static tree
ix86_vectorize_builtin_conversion (unsigned int code, tree type)
{
- if (TREE_CODE (type) != VECTOR_TYPE
- /* There are only conversions from/to signed integers. */
- || TYPE_UNSIGNED (TREE_TYPE (type)))
+ if (TREE_CODE (type) != VECTOR_TYPE)
return NULL_TREE;
switch (code)
switch (TYPE_MODE (type))
{
case V4SImode:
- return ix86_builtins[IX86_BUILTIN_CVTDQ2PS];
+ return TYPE_UNSIGNED (type)
+ ? ix86_builtins[IX86_BUILTIN_CVTUDQ2PS]
+ : ix86_builtins[IX86_BUILTIN_CVTDQ2PS];
default:
return NULL_TREE;
}
switch (TYPE_MODE (type))
{
case V4SImode:
- return ix86_builtins[IX86_BUILTIN_CVTTPS2DQ];
+ return TYPE_UNSIGNED (type)
+ ? NULL_TREE
+ : ix86_builtins[IX86_BUILTIN_CVTTPS2DQ];
default:
return NULL_TREE;
}
#undef TARGET_OPTION_PRINT
#define TARGET_OPTION_PRINT ix86_function_specific_print
-#undef TARGET_OPTION_CAN_INLINE_P
-#define TARGET_OPTION_CAN_INLINE_P ix86_can_inline_p
+#undef TARGET_CAN_INLINE_P
+#define TARGET_CAN_INLINE_P ix86_can_inline_p
#undef TARGET_EXPAND_TO_RTL_HOOK
#define TARGET_EXPAND_TO_RTL_HOOK ix86_maybe_switch_abi
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