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i386.md (prefetch): Fix for 64bit mode. 

* i386.md (prefetch): Fix for 64bit mode.
	(prefetch_sse_rex, prefetch_3dnow_rex): New patterns.

	* i386.md (movss, movsd): Use xorps/xorpd for Athlon.

From-SVN: r55481
This commit is contained in:
Jan Hubicka 2002-07-16 12:24:11 +02:00 committed by Jan Hubicka
parent 984812cd39
commit 052c96b1b0
2 changed files with 54 additions and 6 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
Tue Jul 16 12:22:44 CEST 2002 Jan Hubicka <jh@suse.cz>
* i386.md (prefetch): Fix for 64bit mode.
(prefetch_sse_rex, prefetch_3dnow_rex): New patterns.
* i386.md (movss, movsd): Use xorps/xorpd for Athlon.
2002-07-16 Marek Michalkiewicz <marekm@amelek.gda.pl>
* hard-reg-set.h (TEST_HARD_REG_BIT): Return 1 if the bit is set.

53
gcc/config/i386/i386.md
View File

@ -2129,7 +2129,7 @@
case 4:
return "mov{l}\t{%1, %0|%0, %1}";
case 5:
if (TARGET_SSE2)
if (TARGET_SSE2 && !TARGET_ATHLON)
return "pxor\t%0, %0";
else
return "xorps\t%0, %0";
@ -2315,7 +2315,10 @@
case 4:
return "#";
case 5:
return "pxor\t%0, %0";
if (TARGET_ATHLON)
return "xorpd\t%0, %0";
else
return "pxor\t%0, %0";
case 6:
if (TARGET_PARTIAL_REG_DEPENDENCY)
return "movapd\t{%1, %0|%0, %1}";
@ -2374,7 +2377,10 @@
return "#";
case 5:
return "pxor\t%0, %0";
if (TARGET_ATHLON)
return "xorpd\t%0, %0";
else
return "pxor\t%0, %0";
case 6:
if (TARGET_PARTIAL_REG_DEPENDENCY)
return "movapd\t{%1, %0|%0, %1}";
@ -20015,7 +20021,7 @@
(set_attr "mode" "TI")])
(define_expand "prefetch"
[(prefetch (match_operand:SI 0 "address_operand" "")
[(prefetch (match_operand 0 "address_operand" "")
(match_operand:SI 1 "const_int_operand" "")
(match_operand:SI 2 "const_int_operand" ""))]
"TARGET_PREFETCH_SSE || TARGET_3DNOW"
@ -20027,6 +20033,8 @@
abort ();
if (locality < 0 || locality > 3)
abort ();
if (GET_MODE (operands[0]) != Pmode && GET_MODE (operands[0]) != VOIDmode)
abort ();
/* Use 3dNOW prefetch in case we are asking for write prefetch not
suported by SSE counterpart or the SSE prefetch is not available
@ -20042,7 +20050,26 @@
[(prefetch (match_operand:SI 0 "address_operand" "p")
(const_int 0)
(match_operand:SI 1 "const_int_operand" ""))]
"TARGET_PREFETCH_SSE"
"TARGET_PREFETCH_SSE && !TARGET_64BIT"
{
static const char * const patterns[4] = {
"prefetchnta\t%a0", "prefetcht2\t%a0", "prefetcht1\t%a0", "prefetcht0\t%a0"
};
int locality = INTVAL (operands[1]);
if (locality < 0 || locality > 3)
abort ();
return patterns[locality];
}
[(set_attr "type" "sse")
(set_attr "memory" "none")])
(define_insn "*prefetch_sse_rex"
[(prefetch (match_operand:DI 0 "address_operand" "p")
(const_int 0)
(match_operand:SI 1 "const_int_operand" ""))]
"TARGET_PREFETCH_SSE && TARGET_64BIT"
{
static const char * const patterns[4] = {
"prefetchnta\t%a0", "prefetcht2\t%a0", "prefetcht1\t%a0", "prefetcht0\t%a0"
@ -20061,7 +20088,21 @@
[(prefetch (match_operand:SI 0 "address_operand" "p")
(match_operand:SI 1 "const_int_operand" "n")
(const_int 3))]
"TARGET_3DNOW"
"TARGET_3DNOW && !TARGET_64BIT"
{
if (INTVAL (operands[1]) == 0)
return "prefetch\t%a0";
else
return "prefetchw\t%a0";
}
[(set_attr "type" "mmx")
(set_attr "memory" "none")])
(define_insn "*prefetch_3dnow_rex"
[(prefetch (match_operand:DI 0 "address_operand" "p")
(match_operand:SI 1 "const_int_operand" "n")
(const_int 3))]
"TARGET_3DNOW && TARGET_64BIT"
{
if (INTVAL (operands[1]) == 0)
return "prefetch\t%a0";