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ia64.c (ia64_expand_widen_sum): New. 

* config/ia64/ia64.c (ia64_expand_widen_sum): New.
        (ia64_expand_dot_prod_v8qi): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
        widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
        sdot_prodv8qi, sdot_prodv4hi): New.
        (reduc_splus_v2sf): Rename from reduc_plus_v2sf.

From-SVN: r104426
This commit is contained in:
Richard Henderson 2005-09-19 10:20:02 -07:00 committed by Richard Henderson
parent a220ee348d
commit e898620c39
4 changed files with 232 additions and 5 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2005-09-19 Richard Henderson <rth@redhat.com>
* config/ia64/ia64.c (ia64_expand_widen_sum): New.
(ia64_expand_dot_prod_v8qi): New.
* config/ia64/ia64-protos.h: Update.
* config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
sdot_prodv8qi, sdot_prodv4hi): New.
(reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2005-09-19 Richard Henderson <rth@redhat.com>
PR 23941

2
gcc/config/ia64/ia64-protos.h
View File

@ -50,6 +50,8 @@ extern bool ia64_expand_movxf_movrf (enum machine_mode, rtx[]);
extern rtx ia64_expand_compare (enum rtx_code, enum machine_mode);
extern void ia64_expand_vecint_cmov (rtx[]);
extern bool ia64_expand_vecint_minmax (enum rtx_code, enum machine_mode, rtx[]);
extern void ia64_expand_widen_sum (rtx[], bool);
extern void ia64_expand_dot_prod_v8qi (rtx[], bool);
extern void ia64_expand_call (rtx, rtx, rtx, int);
extern void ia64_split_call (rtx, rtx, rtx, rtx, rtx, int, int);
extern void ia64_reload_gp (void);

107
gcc/config/ia64/ia64.c
View File

@ -1766,6 +1766,113 @@ ia64_expand_vecint_minmax (enum rtx_code code, enum machine_mode mode,
return true;
}
/* Emit an integral vector widening sum operations. */
void
ia64_expand_widen_sum (rtx operands[3], bool unsignedp)
{
rtx l, h, x, s;
enum machine_mode wmode, mode;
rtx (*unpack_l) (rtx, rtx, rtx);
rtx (*unpack_h) (rtx, rtx, rtx);
rtx (*plus) (rtx, rtx, rtx);
wmode = GET_MODE (operands[0]);
mode = GET_MODE (operands[1]);
switch (mode)
{
case V8QImode:
unpack_l = gen_unpack1_l;
unpack_h = gen_unpack1_h;
plus = gen_addv4hi3;
break;
case V4HImode:
unpack_l = gen_unpack2_l;
unpack_h = gen_unpack2_h;
plus = gen_addv2si3;
break;
default:
gcc_unreachable ();
}
/* Fill in x with the sign extension of each element in op1. */
if (unsignedp)
x = CONST0_RTX (mode);
else
{
bool neg;
x = gen_reg_rtx (mode);
neg = ia64_expand_vecint_compare (LT, mode, x, operands[1],
CONST0_RTX (mode));
gcc_assert (!neg);
}
l = gen_reg_rtx (wmode);
h = gen_reg_rtx (wmode);
s = gen_reg_rtx (wmode);
emit_insn (unpack_l (gen_lowpart (mode, l), operands[1], x));
emit_insn (unpack_h (gen_lowpart (mode, h), operands[1], x));
emit_insn (plus (s, l, operands[2]));
emit_insn (plus (operands[0], h, s));
}
/* Emit a signed or unsigned V8QI dot product operation. */
void
ia64_expand_dot_prod_v8qi (rtx operands[4], bool unsignedp)
{
rtx l1, l2, h1, h2, x1, x2, p1, p2, p3, p4, s1, s2, s3;
/* Fill in x1 and x2 with the sign extension of each element. */
if (unsignedp)
x1 = x2 = CONST0_RTX (V8QImode);
else
{
bool neg;
x1 = gen_reg_rtx (V8QImode);
x2 = gen_reg_rtx (V8QImode);
neg = ia64_expand_vecint_compare (LT, V8QImode, x1, operands[1],
CONST0_RTX (V8QImode));
gcc_assert (!neg);
neg = ia64_expand_vecint_compare (LT, V8QImode, x2, operands[2],
CONST0_RTX (V8QImode));
gcc_assert (!neg);
}
l1 = gen_reg_rtx (V4HImode);
l2 = gen_reg_rtx (V4HImode);
h1 = gen_reg_rtx (V4HImode);
h2 = gen_reg_rtx (V4HImode);
emit_insn (gen_unpack1_l (gen_lowpart (V8QImode, l1), operands[1], x1));
emit_insn (gen_unpack1_l (gen_lowpart (V8QImode, l2), operands[2], x2));
emit_insn (gen_unpack1_h (gen_lowpart (V8QImode, h1), operands[1], x1));
emit_insn (gen_unpack1_h (gen_lowpart (V8QImode, h2), operands[2], x2));
p1 = gen_reg_rtx (V2SImode);
p2 = gen_reg_rtx (V2SImode);
p3 = gen_reg_rtx (V2SImode);
p4 = gen_reg_rtx (V2SImode);
emit_insn (gen_pmpy2_r (p1, l1, l2));
emit_insn (gen_pmpy2_l (p2, l1, l2));
emit_insn (gen_pmpy2_r (p3, h1, h2));
emit_insn (gen_pmpy2_l (p4, h1, h2));
s1 = gen_reg_rtx (V2SImode);
s2 = gen_reg_rtx (V2SImode);
s3 = gen_reg_rtx (V2SImode);
emit_insn (gen_addv2si3 (s1, p1, p2));
emit_insn (gen_addv2si3 (s2, p3, p4));
emit_insn (gen_addv2si3 (s3, s1, operands[3]));
emit_insn (gen_addv2si3 (operands[0], s2, s3));
}
/* Emit the appropriate sequence for a call. */
void

118
gcc/config/ia64/vect.md
View File

@ -212,6 +212,36 @@
"pmpyshr2 %0 = %1, %2, 0"
[(set_attr "itanium_class" "mmmul")])
(define_insn "pmpy2_r"
[(set (match_operand:V2SI 0 "gr_register_operand" "=r")
(mult:V2SI
(vec_select:V2SI
(sign_extend:V4SI
(match_operand:V4HI 1 "gr_register_operand" "r"))
(parallel [(const_int 0) (const_int 2)]))
(vec_select:V2SI
(sign_extend:V4SI
(match_operand:V4HI 2 "gr_register_operand" "r"))
(parallel [(const_int 0) (const_int 2)]))))]
""
"pmpy2.r %0 = %1, %2"
[(set_attr "itanium_class" "mmshf")])
(define_insn "pmpy2_l"
[(set (match_operand:V2SI 0 "gr_register_operand" "=r")
(mult:V2SI
(vec_select:V2SI
(sign_extend:V4SI
(match_operand:V4HI 1 "gr_register_operand" "r"))
(parallel [(const_int 1) (const_int 3)]))
(vec_select:V2SI
(sign_extend:V4SI
(match_operand:V4HI 2 "gr_register_operand" "r"))
(parallel [(const_int 1) (const_int 3)]))))]
""
"pmpy2.l %0 = %1, %2"
[(set_attr "itanium_class" "mmshf")])
(define_expand "umax<mode>3"
[(set (match_operand:VECINT 0 "gr_register_operand" "")
(umax:VECINT (match_operand:VECINT 1 "gr_register_operand" "")
@ -331,6 +361,88 @@
operands[1] = gen_lowpart (DImode, operands[1]);
})
(define_expand "widen_usumv8qi3"
[(match_operand:V4HI 0 "gr_register_operand" "")
(match_operand:V8QI 1 "gr_register_operand" "")
(match_operand:V4HI 2 "gr_register_operand" "")]
""
{
ia64_expand_widen_sum (operands, true);
DONE;
})
(define_expand "widen_usumv4hi3"
[(match_operand:V2SI 0 "gr_register_operand" "")
(match_operand:V4HI 1 "gr_register_operand" "")
(match_operand:V2SI 2 "gr_register_operand" "")]
""
{
ia64_expand_widen_sum (operands, true);
DONE;
})
(define_expand "widen_ssumv8qi3"
[(match_operand:V4HI 0 "gr_register_operand" "")
(match_operand:V8QI 1 "gr_register_operand" "")
(match_operand:V4HI 2 "gr_register_operand" "")]
""
{
ia64_expand_widen_sum (operands, false);
DONE;
})
(define_expand "widen_ssumv4hi3"
[(match_operand:V2SI 0 "gr_register_operand" "")
(match_operand:V4HI 1 "gr_register_operand" "")
(match_operand:V2SI 2 "gr_register_operand" "")]
""
{
ia64_expand_widen_sum (operands, false);
DONE;
})
(define_expand "udot_prodv8qi"
[(match_operand:V2SI 0 "gr_register_operand" "")
(match_operand:V8QI 1 "gr_register_operand" "")
(match_operand:V8QI 2 "gr_register_operand" "")
(match_operand:V2SI 3 "gr_register_operand" "")]
""
{
ia64_expand_dot_prod_v8qi (operands, true);
DONE;
})
(define_expand "sdot_prodv8qi"
[(match_operand:V2SI 0 "gr_register_operand" "")
(match_operand:V8QI 1 "gr_register_operand" "")
(match_operand:V8QI 2 "gr_register_operand" "")
(match_operand:V2SI 3 "gr_register_operand" "")]
""
{
ia64_expand_dot_prod_v8qi (operands, false);
DONE;
})
(define_expand "sdot_prodv4hi"
[(match_operand:V2SI 0 "gr_register_operand" "")
(match_operand:V4HI 1 "gr_register_operand" "")
(match_operand:V4HI 2 "gr_register_operand" "")
(match_operand:V2SI 3 "gr_register_operand" "")]
""
{
rtx l, r, t;
r = gen_reg_rtx (V2SImode);
l = gen_reg_rtx (V2SImode);
t = gen_reg_rtx (V2SImode);
emit_insn (gen_pmpy2_r (r, operands[1], operands[2]));
emit_insn (gen_pmpy2_l (l, operands[1], operands[2]));
emit_insn (gen_addv2si3 (t, r, operands[3]));
emit_insn (gen_addv2si3 (operands[0], t, l));
DONE;
})
(define_expand "vcond<mode>"
[(set (match_operand:VECINT 0 "gr_register_operand" "")
(if_then_else:VECINT
@ -717,15 +829,11 @@
;; padd.uus
;; pavg
;; pavgsub
;; pmpy
;; pmpyshr, general form
;; psad
;; pshladd
;; pshradd
;; psub.uus
;; vec_set<mode>
;; vec_extract<mode>
;; vec_init<mode>
;; Floating point vector operations
@ -947,7 +1055,7 @@
"fpmin %0 = %1, %2"
[(set_attr "itanium_class" "fmisc")])
(define_expand "reduc_plus_v2sf"
(define_expand "reduc_splus_v2sf"
[(match_operand:V2SF 0 "fr_register_operand" "")
(match_operand:V2SF 1 "fr_register_operand" "")]
""