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ia64.h (SIMULTANEOUS PREFETCHES): Define. 

* config/ia64/ia64.h (SIMULTANEOUS PREFETCHES): Define.
	  (PREFETCH_BLOCK): Define.
	* config/ia64/ia64.md (itanium_class): Add lfetch.
	  (prefetch, prefetch_internal): New.

From-SVN: r47579
This commit is contained in:
Janis Johnson 2001-12-04 00:42:41 +00:00
parent 8527852a3b
commit 44eca121fc
1 changed files with 29 additions and 1 deletions
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30
gcc/config/ia64/ia64.md
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@ -99,7 +99,7 @@
;; multiple instructions, patterns which emit 0 instructions, and patterns
;; which emit instruction that can go in any slot (e.g. nop).
(define_attr "itanium_class" "unknown,ignore,stop_bit,br,fcmp,fcvtfx,fld,fmac,fmisc,frar_i,frar_m,frbr,frfr,frpr,ialu,icmp,ilog,ishf,ld,chk_s,long_i,mmmul,mmshf,mmshfi,rse_m,scall,sem,stf,st,syst_m0,syst_m,tbit,toar_i,toar_m,tobr,tofr,topr,xmpy,xtd,nop_b,nop_f,nop_i,nop_m,nop_x"
(define_attr "itanium_class" "unknown,ignore,stop_bit,br,fcmp,fcvtfx,fld,fmac,fmisc,frar_i,frar_m,frbr,frfr,frpr,ialu,icmp,ilog,ishf,ld,chk_s,long_i,mmmul,mmshf,mmshfi,rse_m,scall,sem,stf,st,syst_m0,syst_m,tbit,toar_i,toar_m,tobr,tofr,topr,xmpy,xtd,nop_b,nop_f,nop_i,nop_m,nop_x,lfetch"
(const_string "unknown"))
;; chk_s has an I and an M form; use type A for convenience.
@ -107,6 +107,7 @@
(cond [(eq_attr "itanium_class" "ld,st,fld,stf,sem,nop_m") (const_string "M")
(eq_attr "itanium_class" "rse_m,syst_m,syst_m0") (const_string "M")
(eq_attr "itanium_class" "frar_m,toar_m,frfr,tofr") (const_string "M")
(eq_attr "itanium_class" "lfetch") (const_string "M")
(eq_attr "itanium_class" "chk_s,ialu,icmp,ilog") (const_string "A")
(eq_attr "itanium_class" "fmisc,fmac,fcmp,xmpy") (const_string "F")
(eq_attr "itanium_class" "fcvtfx,nop_f") (const_string "F")
@ -5048,6 +5049,33 @@
""
"break.f 0"
[(set_attr "itanium_class" "nop_f")])
(define_insn "prefetch"
[(prefetch (match_operand:DI 0 "address_operand" "p")
(match_operand:DI 1 "const_int_operand" "n")
(match_operand:DI 2 "const_int_operand" "n"))]
""
{
static const char * const alt[2][4] = {
"lfetch.nta [%0]",
"lfetch.nt1 [%0]",
"lfetch.nt2 [%0]",
"lfetch [%0]",
"lfetch.excl.nta [%0]",
"lfetch.excl.nt1 [%0]",
"lfetch.excl.nt2 [%0]",
"lfetch.excl [%0]"
};
int i = (INTVAL (operands[1]));
int j = (INTVAL (operands[2]));
if (i != 0 && i != 1)
abort ();
if (j < 0 || j > 3)
abort ();
return alt[i][j];
}
[(set_attr "itanium_class" "lfetch")])
;; Non-local goto support.