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riscv-gcc-1
Commit ff97910d by Vladimir Yakovlev Committed by Kirill Yukhin
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i386-protos.h (emit_i387_cw_initialization): Deleted. 

        * config/i386/i386-protos.h (emit_i387_cw_initialization): Deleted.
        (emit_vzero): Added prototype.
        (ix86_mode_entry): Likewise.
        (ix86_mode_exit): Likewise.
        (ix86_emit_mode_set): Likewise.

        * config/i386/i386.c (typedef struct block_info_def): Deleted.
        (define BLOCK_INFO): Deleted.
        (check_avx256_stores): Added checking for MEM_P.
        (move_or_delete_vzeroupper_2): Deleted.
        (move_or_delete_vzeroupper_1): Deleted.
        (move_or_delete_vzeroupper): Deleted.
        (ix86_maybe_emit_epilogue_vzeroupper): Deleted.
        (function_pass_avx256_p): Deleted.
        (ix86_function_ok_for_sibcall): Deleted disabling sibcall.
        (nit_cumulative_args): Deleted initialization of of avx256 fields of
        cfun->machine.
        (ix86_emit_restore_sse_regs_using_mov): Deleted vzeroupper generation.
        (ix86_expand_epilogue): Likewise.
        (ix86_avx_u128_mode_needed): New.
        (ix86_i387_mode_needed): Renamed ix86_mode_needed.
        (ix86_mode_needed): New.
        (ix86_avx_u128_mode_after): New.
        (ix86_mode_after): New.
        (ix86_avx_u128_mode_entry): New.
        (ix86_mode_entry): New.
        (ix86_avx_u128_mode_exit): New.
        (ix86_mode_exit): New.
        (ix86_emit_mode_set): New.
        (ix86_expand_call): Deleted vzeroupper generation.
        (ix86_split_call_vzeroupper): Deleted.
        (ix86_init_machine_status): Initialzed optimize_mode_switching.
        (ix86_expand_special_args_builtin): Changed.
        (ix86_reorg): Deleted a call of move_or_delete_vzeroupper.

        * config/i386/i386.h  (VALID_AVX256_REG_OR_OI_MODE): New.
        (AVX_U128): New.
        (avx_u128_state): New.
        (NUM_MODES_FOR_MODE_SWITCHING): Added AVX_U128_ANY.
        (MODE_AFTER): New.
        (MODE_ENTRY): New.
        (MODE_EXIT): New.
        (EMIT_MODE_SET): Changed.
        (machine_function): Deleted avx256 fields.

        * config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): Deleted.
        (define_insn_and_split "*call_vzeroupper"): Deleted.
        (define_insn_and_split "*call_rex64_ms_sysv_vzeroupper"): Deleted.
        (define_insn_and_split "*sibcall_vzeroupper"): Deleted.
        (define_insn_and_split "*call_pop_vzeroupper"): Deleted.
        (define_insn_and_split "*sibcall_pop_vzeroupper"): Deleted.
        (define_insn_and_split "*call_value_vzeroupper"): Deleted.
        (define_insn_and_split "*sibcall_value_vzeroupper"): Deleted.
        (define_insn_and_split "*call_value_rex64_ms_sysv_vzeroupper"): Deleted.
        (define_insn_and_split "*call_value_pop_vzeroupper"): Deleted.
        (define_insn_and_split "*sibcall_value_pop_vzeroupper"): Deleted.
        (define_expand "return"): Deleted vzeroupper emitting.
        (define_expand "simple_return"): Deleted.

        * config/i386/predicates.md (vzeroupper_operation): New.

        * config/i386/sse.md (avx_vzeroupper): Changed.

testsuite/ChangeLog:
        * gcc.target/i386/avx-vzeroupper-5.c: Changed scan-assembler-times.
        * gcc.target/i386/avx-vzeroupper-8.c: Likewise.
        * gcc.target/i386/avx-vzeroupper-9.c: Likewise.
        * gcc.target/i386/avx-vzeroupper-10.c: Likewise.
        * gcc.target/i386/avx-vzeroupper-11.c: Likewise.
        * gcc.target/i386/avx-vzeroupper-12.c: Likewise.
        * gcc.target/i386/avx-vzeroupper-19.c: Likewis.
        * gcc.target/i386/avx-vzeroupper-27.c: New.

From-SVN: r193229
parent 3d6db7f8
Showing with 157 additions and 199 deletions
gcc/ChangeLog
2012-11-06 Vladimir Yakovlev <vladimir.b.yakovlev@intel.com>
* config/i386/i386-protos.h (emit_i387_cw_initialization): Deleted.
(emit_vzero): Added prototype.
(ix86_mode_entry): Likewise.
(ix86_mode_exit): Likewise.
(ix86_emit_mode_set): Likewise.
* config/i386/i386.c (typedef struct block_info_def): Deleted.
(define BLOCK_INFO): Deleted.
(check_avx256_stores): Added checking for MEM_P.
(move_or_delete_vzeroupper_2): Deleted.
(move_or_delete_vzeroupper_1): Deleted.
(move_or_delete_vzeroupper): Deleted.
(ix86_maybe_emit_epilogue_vzeroupper): Deleted.
(function_pass_avx256_p): Deleted.
(ix86_function_ok_for_sibcall): Deleted disabling sibcall.
(nit_cumulative_args): Deleted initialization of of avx256 fields of
cfun->machine.
(ix86_emit_restore_sse_regs_using_mov): Deleted vzeroupper generation.
(ix86_expand_epilogue): Likewise.
(ix86_avx_u128_mode_needed): New.
(ix86_i387_mode_needed): Renamed ix86_mode_needed.
(ix86_mode_needed): New.
(ix86_avx_u128_mode_after): New.
(ix86_mode_after): New.
(ix86_avx_u128_mode_entry): New.
(ix86_mode_entry): New.
(ix86_avx_u128_mode_exit): New.
(ix86_mode_exit): New.
(ix86_emit_mode_set): New.
(ix86_expand_call): Deleted vzeroupper generation.
(ix86_split_call_vzeroupper): Deleted.
(ix86_init_machine_status): Initialzed optimize_mode_switching.
(ix86_expand_special_args_builtin): Changed.
(ix86_reorg): Deleted a call of move_or_delete_vzeroupper.
* config/i386/i386.h (VALID_AVX256_REG_OR_OI_MODE): New.
(AVX_U128): New.
(avx_u128_state): New.
(NUM_MODES_FOR_MODE_SWITCHING): Added AVX_U128_ANY.
(MODE_AFTER): New.
(MODE_ENTRY): New.
(MODE_EXIT): New.
(EMIT_MODE_SET): Changed.
(machine_function): Deleted avx256 fields.
* config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): Deleted.
(define_insn_and_split "*call_vzeroupper"): Deleted.
(define_insn_and_split "*call_rex64_ms_sysv_vzeroupper"): Deleted.
(define_insn_and_split "*sibcall_vzeroupper"): Deleted.
(define_insn_and_split "*call_pop_vzeroupper"): Deleted.
(define_insn_and_split "*sibcall_pop_vzeroupper"): Deleted.
(define_insn_and_split "*call_value_vzeroupper"): Deleted.
(define_insn_and_split "*sibcall_value_vzeroupper"): Deleted.
(define_insn_and_split "*call_value_rex64_ms_sysv_vzeroupper"): Deleted.
(define_insn_and_split "*call_value_pop_vzeroupper"): Deleted.
(define_insn_and_split "*sibcall_value_pop_vzeroupper"): Deleted.
(define_expand "return"): Deleted vzeroupper emitting.
(define_expand "simple_return"): Deleted.
* config/i386/predicates.md (vzeroupper_operation): New.
* config/i386/sse.md (avx_vzeroupper): Changed.
2012-11-06 Uros Bizjak <ubizjak@gmail.com>
Kaz Kojima <kkojima@gcc.gnu.org>
gcc/config/i386/i386-protos.h
......@@ -167,8 +167,13 @@ extern bool ix86_secondary_memory_needed (enum reg_class, enum reg_class,
enum machine_mode, int);
extern bool ix86_cannot_change_mode_class (enum machine_mode,
enum machine_mode, enum reg_class);
extern int ix86_mode_needed (int, rtx);
extern void emit_i387_cw_initialization (int);
extern int ix86_mode_after (int, int, rtx);
extern int ix86_mode_entry (int);
extern int ix86_mode_exit (int);
extern void ix86_emit_mode_set (int, int);
extern void x86_order_regs_for_local_alloc (void);
extern void x86_function_profiler (FILE *, int);
extern void x86_emit_floatuns (rtx [2]);
......
gcc/config/i386/i386.h
......@@ -1035,6 +1035,9 @@ enum target_cpu_default
|| (MODE) == V4DImode || (MODE) == V2TImode || (MODE) == V8SFmode \
|| (MODE) == V4DFmode)
#define VALID_AVX256_REG_OR_OI_MODE(MODE) \
(VALID_AVX256_REG_MODE (MODE) || (MODE) == OImode)
#define VALID_SSE2_REG_MODE(MODE) \
((MODE) == V16QImode || (MODE) == V8HImode || (MODE) == V2DFmode \
|| (MODE) == V2DImode || (MODE) == DFmode)
......@@ -2141,7 +2144,8 @@ enum ix86_fpcmp_strategy {
enum ix86_entity
{
I387_TRUNC = 0,
AVX_U128 = 0,
I387_TRUNC,
I387_FLOOR,
I387_CEIL,
I387_MASK_PM,
......@@ -2160,6 +2164,13 @@ enum ix86_stack_slot
MAX_386_STACK_LOCALS
};
enum avx_u128_state
{
AVX_U128_CLEAN,
AVX_U128_DIRTY,
AVX_U128_ANY
};
/* Define this macro if the port needs extra instructions inserted
for mode switching in an optimizing compilation. */
......@@ -2175,16 +2186,34 @@ enum ix86_stack_slot
refer to the mode-switched entity in question. */
#define NUM_MODES_FOR_MODE_SWITCHING \
{ I387_CW_ANY, I387_CW_ANY, I387_CW_ANY, I387_CW_ANY }
{ AVX_U128_ANY, I387_CW_ANY, I387_CW_ANY, I387_CW_ANY, I387_CW_ANY }
/* ENTITY is an integer specifying a mode-switched entity. If
`OPTIMIZE_MODE_SWITCHING' is defined, you must define this macro to
return an integer value not larger than the corresponding element
in `NUM_MODES_FOR_MODE_SWITCHING', to denote the mode that ENTITY
must be switched into prior to the execution of INSN. */
must be switched into prior to the execution of INSN. */
#define MODE_NEEDED(ENTITY, I) ix86_mode_needed ((ENTITY), (I))
/* If this macro is defined, it is evaluated for every INSN during
mode switching. It determines the mode that an insn results in (if
different from the incoming mode). */
#define MODE_AFTER(ENTITY, MODE, I) ix86_mode_after ((ENTITY), (MODE), (I))
/* If this macro is defined, it is evaluated for every ENTITY that
needs mode switching. It should evaluate to an integer, which is
a mode that ENTITY is assumed to be switched to at function entry. */
#define MODE_ENTRY(ENTITY) ix86_mode_entry (ENTITY)
/* If this macro is defined, it is evaluated for every ENTITY that
needs mode switching. It should evaluate to an integer, which is
a mode that ENTITY is assumed to be switched to at function exit. */
#define MODE_EXIT(ENTITY) ix86_mode_exit (ENTITY)
/* This macro specifies the order in which modes for ENTITY are
processed. 0 is the highest priority. */
......@@ -2194,11 +2223,8 @@ enum ix86_stack_slot
is the set of hard registers live at the point where the insn(s)
are to be inserted. */
#define EMIT_MODE_SET(ENTITY, MODE, HARD_REGS_LIVE) \
((MODE) != I387_CW_ANY && (MODE) != I387_CW_UNINITIALIZED \
? emit_i387_cw_initialization (MODE), 0 \
: 0)
#define EMIT_MODE_SET(ENTITY, MODE, HARD_REGS_LIVE) \
ix86_emit_mode_set ((ENTITY), (MODE))
/* Avoid renaming of stack registers, as doing so in combination with
scheduling just increases amount of live registers at time and in
......@@ -2299,21 +2325,6 @@ struct GTY(()) machine_function {
stack below the return address. */
BOOL_BITFIELD static_chain_on_stack : 1;
/* Nonzero if caller passes 256bit AVX modes. */
BOOL_BITFIELD caller_pass_avx256_p : 1;
/* Nonzero if caller returns 256bit AVX modes. */
BOOL_BITFIELD caller_return_avx256_p : 1;
/* Nonzero if the current callee passes 256bit AVX modes. */
BOOL_BITFIELD callee_pass_avx256_p : 1;
/* Nonzero if the current callee returns 256bit AVX modes. */
BOOL_BITFIELD callee_return_avx256_p : 1;
/* Nonzero if rescan vzerouppers in the current function is needed. */
BOOL_BITFIELD rescan_vzeroupper_p : 1;
/* During prologue/epilogue generation, the current frame state.
Otherwise, the frame state at the end of the prologue. */
struct machine_frame_state fs;
......
gcc/config/i386/i386.md
......@@ -109,7 +109,6 @@
UNSPEC_TRUNC_NOOP
UNSPEC_DIV_ALREADY_SPLIT
UNSPEC_MS_TO_SYSV_CALL
UNSPEC_CALL_NEEDS_VZEROUPPER
UNSPEC_PAUSE
UNSPEC_LEA_ADDR
UNSPEC_XBEGIN_ABORT
......@@ -11503,18 +11502,6 @@
DONE;
})
(define_insn_and_split "*call_vzeroupper"
[(call (mem:QI (match_operand:W 0 "call_insn_operand" "<c>zw"))
(match_operand 1))
(unspec [(match_operand 2 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && !SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[2]); DONE;"
[(set_attr "type" "call")])
(define_insn "*call"
[(call (mem:QI (match_operand:W 0 "call_insn_operand" "<c>zw"))
(match_operand 1))]
......@@ -11522,31 +11509,6 @@
"* return ix86_output_call_insn (insn, operands[0]);"
[(set_attr "type" "call")])
(define_insn_and_split "*call_rex64_ms_sysv_vzeroupper"
[(call (mem:QI (match_operand:DI 0 "call_insn_operand" "rzw"))
(match_operand 1))
(unspec [(const_int 0)] UNSPEC_MS_TO_SYSV_CALL)
(clobber (reg:TI XMM6_REG))
(clobber (reg:TI XMM7_REG))
(clobber (reg:TI XMM8_REG))
(clobber (reg:TI XMM9_REG))
(clobber (reg:TI XMM10_REG))
(clobber (reg:TI XMM11_REG))
(clobber (reg:TI XMM12_REG))
(clobber (reg:TI XMM13_REG))
(clobber (reg:TI XMM14_REG))
(clobber (reg:TI XMM15_REG))
(clobber (reg:DI SI_REG))
(clobber (reg:DI DI_REG))
(unspec [(match_operand 2 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && TARGET_64BIT && !SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[2]); DONE;"
[(set_attr "type" "call")])
(define_insn "*call_rex64_ms_sysv"
[(call (mem:QI (match_operand:DI 0 "call_insn_operand" "rzw"))
(match_operand 1))
......@@ -11567,18 +11529,6 @@
"* return ix86_output_call_insn (insn, operands[0]);"
[(set_attr "type" "call")])
(define_insn_and_split "*sibcall_vzeroupper"
[(call (mem:QI (match_operand:W 0 "sibcall_insn_operand" "Uz"))
(match_operand 1))
(unspec [(match_operand 2 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[2]); DONE;"
[(set_attr "type" "call")])
(define_insn "*sibcall"
[(call (mem:QI (match_operand:W 0 "sibcall_insn_operand" "Uz"))
(match_operand 1))]
......@@ -11599,21 +11549,6 @@
DONE;
})
(define_insn_and_split "*call_pop_vzeroupper"
[(call (mem:QI (match_operand:SI 0 "call_insn_operand" "lzm"))
(match_operand 1))
(set (reg:SI SP_REG)
(plus:SI (reg:SI SP_REG)
(match_operand:SI 2 "immediate_operand" "i")))
(unspec [(match_operand 3 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && !TARGET_64BIT && !SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[3]); DONE;"
[(set_attr "type" "call")])
(define_insn "*call_pop"
[(call (mem:QI (match_operand:SI 0 "call_insn_operand" "lzm"))
(match_operand 1))
......@@ -11624,21 +11559,6 @@
"* return ix86_output_call_insn (insn, operands[0]);"
[(set_attr "type" "call")])
(define_insn_and_split "*sibcall_pop_vzeroupper"
[(call (mem:QI (match_operand:SI 0 "sibcall_insn_operand" "Uz"))
(match_operand 1))
(set (reg:SI SP_REG)
(plus:SI (reg:SI SP_REG)
(match_operand:SI 2 "immediate_operand" "i")))
(unspec [(match_operand 3 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && !TARGET_64BIT && SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[3]); DONE;"
[(set_attr "type" "call")])
(define_insn "*sibcall_pop"
[(call (mem:QI (match_operand:SI 0 "sibcall_insn_operand" "Uz"))
(match_operand 1))
......@@ -11675,19 +11595,6 @@
DONE;
})
(define_insn_and_split "*call_value_vzeroupper"
[(set (match_operand 0)
(call (mem:QI (match_operand:W 1 "call_insn_operand" "<c>zw"))
(match_operand 2)))
(unspec [(match_operand 3 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && !SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[3]); DONE;"
[(set_attr "type" "callv")])
(define_insn "*call_value"
[(set (match_operand 0)
(call (mem:QI (match_operand:W 1 "call_insn_operand" "<c>zw"))
......@@ -11696,19 +11603,6 @@
"* return ix86_output_call_insn (insn, operands[1]);"
[(set_attr "type" "callv")])
(define_insn_and_split "*sibcall_value_vzeroupper"
[(set (match_operand 0)
(call (mem:QI (match_operand:W 1 "sibcall_insn_operand" "Uz"))
(match_operand 2)))
(unspec [(match_operand 3 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[3]); DONE;"
[(set_attr "type" "callv")])
(define_insn "*sibcall_value"
[(set (match_operand 0)
(call (mem:QI (match_operand:W 1 "sibcall_insn_operand" "Uz"))
......@@ -11717,32 +11611,6 @@
"* return ix86_output_call_insn (insn, operands[1]);"
[(set_attr "type" "callv")])
(define_insn_and_split "*call_value_rex64_ms_sysv_vzeroupper"
[(set (match_operand 0)
(call (mem:QI (match_operand:DI 1 "call_insn_operand" "rzw"))
(match_operand 2)))
(unspec [(const_int 0)] UNSPEC_MS_TO_SYSV_CALL)
(clobber (reg:TI XMM6_REG))
(clobber (reg:TI XMM7_REG))
(clobber (reg:TI XMM8_REG))
(clobber (reg:TI XMM9_REG))
(clobber (reg:TI XMM10_REG))
(clobber (reg:TI XMM11_REG))
(clobber (reg:TI XMM12_REG))
(clobber (reg:TI XMM13_REG))
(clobber (reg:TI XMM14_REG))
(clobber (reg:TI XMM15_REG))
(clobber (reg:DI SI_REG))
(clobber (reg:DI DI_REG))
(unspec [(match_operand 3 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && TARGET_64BIT && !SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[3]); DONE;"
[(set_attr "type" "callv")])
(define_insn "*call_value_rex64_ms_sysv"
[(set (match_operand 0)
(call (mem:QI (match_operand:DI 1 "call_insn_operand" "rzw"))
......@@ -11778,22 +11646,6 @@
DONE;
})
(define_insn_and_split "*call_value_pop_vzeroupper"
[(set (match_operand 0)
(call (mem:QI (match_operand:SI 1 "call_insn_operand" "lzm"))
(match_operand 2)))
(set (reg:SI SP_REG)
(plus:SI (reg:SI SP_REG)
(match_operand:SI 3 "immediate_operand" "i")))
(unspec [(match_operand 4 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && !TARGET_64BIT && !SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[4]); DONE;"
[(set_attr "type" "callv")])
(define_insn "*call_value_pop"
[(set (match_operand 0)
(call (mem:QI (match_operand:SI 1 "call_insn_operand" "lzm"))
......@@ -11805,22 +11657,6 @@
"* return ix86_output_call_insn (insn, operands[1]);"
[(set_attr "type" "callv")])
(define_insn_and_split "*sibcall_value_pop_vzeroupper"
[(set (match_operand 0)
(call (mem:QI (match_operand:SI 1 "sibcall_insn_operand" "Uz"))
(match_operand 2)))
(set (reg:SI SP_REG)
(plus:SI (reg:SI SP_REG)
(match_operand:SI 3 "immediate_operand" "i")))
(unspec [(match_operand 4 "const_int_operand")]
UNSPEC_CALL_NEEDS_VZEROUPPER)]
"TARGET_VZEROUPPER && !TARGET_64BIT && SIBLING_CALL_P (insn)"
"#"
"&& reload_completed"
[(const_int 0)]
"ix86_split_call_vzeroupper (curr_insn, operands[4]); DONE;"
[(set_attr "type" "callv")])
(define_insn "*sibcall_value_pop"
[(set (match_operand 0)
(call (mem:QI (match_operand:SI 1 "sibcall_insn_operand" "Uz"))
......@@ -11922,7 +11758,6 @@
[(simple_return)]
"ix86_can_use_return_insn_p ()"
{
ix86_maybe_emit_epilogue_vzeroupper ();
if (crtl->args.pops_args)
{
rtx popc = GEN_INT (crtl->args.pops_args);
......@@ -11939,7 +11774,6 @@
[(simple_return)]
"!TARGET_SEH"
{
ix86_maybe_emit_epilogue_vzeroupper ();
if (crtl->args.pops_args)
{
rtx popc = GEN_INT (crtl->args.pops_args);
......
gcc/config/i386/predicates.md
......@@ -1229,6 +1229,13 @@
return true;
})
;; return true if OP is a vzeroupper operation.
(define_predicate "vzeroupper_operation"
(match_code "unspec_volatile")
{
return XINT (op, 1) == UNSPECV_VZEROUPPER;
})
;; Return true if OP is a parallel for a vbroadcast permute.
(define_predicate "avx_vbroadcast_operand"
......
gcc/config/i386/sse.md
......@@ -10452,8 +10452,7 @@
;; Clear the upper 128bits of AVX registers, equivalent to a NOP
;; if the upper 128bits are unused.
(define_insn "avx_vzeroupper"
[(unspec_volatile [(match_operand 0 "const_int_operand")]
UNSPECV_VZEROUPPER)]
[(unspec_volatile [(const_int 0)] UNSPECV_VZEROUPPER)]
"TARGET_AVX"
"vzeroupper"
[(set_attr "type" "sse")
......
gcc/testsuite/ChangeLog
2012-11-06 Vladimir Yakovlev <vladimir.b.yakovlev@intel.com>
* gcc.target/i386/avx-vzeroupper-5.c: Changed scan-assembler-times.
* gcc.target/i386/avx-vzeroupper-8.c: Likewise.
* gcc.target/i386/avx-vzeroupper-9.c: Likewise.
* gcc.target/i386/avx-vzeroupper-10.c: Likewise.
* gcc.target/i386/avx-vzeroupper-11.c: Likewise.
* gcc.target/i386/avx-vzeroupper-12.c: Likewise.
* gcc.target/i386/avx-vzeroupper-19.c: Likewis.
* gcc.target/i386/avx-vzeroupper-27.c: New.
2012-11-06 Janus Weil <janus@gcc.gnu.org>
PR fortran/54917
......
gcc/testsuite/gcc.target/i386/avx-vzeroupper-10.c
......@@ -14,4 +14,4 @@ foo ()
_mm256_zeroupper ();
}
/* { dg-final { scan-assembler-not "avx_vzeroupper" } } */
/* { dg-final { scan-assembler-times "avx_vzeroupper" 3 } } */
gcc/testsuite/gcc.target/i386/avx-vzeroupper-11.c
......@@ -16,4 +16,4 @@ foo ()
}
/* { dg-final { scan-assembler-times "\\*avx_vzeroall" 1 } } */
/* { dg-final { scan-assembler-not "avx_vzeroupper" } } */
/* { dg-final { scan-assembler-times "avx_vzeroupper" 3 } } */
gcc/testsuite/gcc.target/i386/avx-vzeroupper-12.c
......@@ -16,5 +16,5 @@ foo ()
_mm256_zeroupper ();
}
/* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */
/* { dg-final { scan-assembler-times "avx_vzeroupper" 4 } } */
/* { dg-final { scan-assembler-times "\\*avx_vzeroall" 1 } } */
gcc/testsuite/gcc.target/i386/avx-vzeroupper-19.c
......@@ -14,4 +14,4 @@ void feat_s3_cep_dcep (int cepsize_used, float **mfc, float **feat)
f[i] = w[i] - _w[i];
}
/* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */
/* { dg-final { scan-assembler-times "avx_vzeroupper" 2 } } */
gcc/testsuite/gcc.target/i386/avx-vzeroupper-27.c 0 → 100644
/* { dg-do compile } */
/* { dg-options "-O2 -mavx -mtune=generic -dp" } */
typedef struct objc_class *Class;
typedef struct objc_object
{
Class class_pointer;
} *id;
typedef const struct objc_selector *SEL;
typedef void * retval_t;
typedef void * arglist_t;
extern retval_t __objc_forward (id object, SEL sel, arglist_t args);
double
__objc_double_forward (id rcv, SEL op, ...)
{
void *args, *res;
args = __builtin_apply_args ();
res = __objc_forward (rcv, op, args);
__builtin_return (res);
}
/* { dg-final { scan-assembler-times "avx_vzeroupper" 2 } } */
gcc/testsuite/gcc.target/i386/avx-vzeroupper-5.c
......@@ -14,4 +14,4 @@ foo ()
_mm256_zeroupper ();
}
/* { dg-final { scan-assembler-not "avx_vzeroupper" } } */
/* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */
gcc/testsuite/gcc.target/i386/avx-vzeroupper-8.c
......@@ -13,4 +13,4 @@ foo ()
_mm256_zeroupper ();
}
/* { dg-final { scan-assembler-not "avx_vzeroupper" } } */
/* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */
gcc/testsuite/gcc.target/i386/avx-vzeroupper-9.c
......@@ -15,4 +15,4 @@ foo ()
_mm256_zeroupper ();
}
/* { dg-final { scan-assembler-times "avx_vzeroupper" 1 } } */
/* { dg-final { scan-assembler-times "avx_vzeroupper" 4 } } */
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