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aarch64.md: New pattern.

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2015-12-02  David Sherwood  <david.sherwood@arm.com>

    gcc/
	* config/aarch64/aarch64.md: New pattern.
	* config/aarch64/aarch64-simd.md: Likewise.
	* config/aarch64/iterators.md: New unspecs, iterators.
    gcc/testsuite
	* gcc.target/aarch64/fmaxmin.c: New test.

From-SVN: r231187
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David Sherwood 2015-12-02 16:29:17 +00:00 • committed by David Sherwood
parent f2834b5d87
commit 202d0c11b9
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-12-02 David Sherwood <david.sherwood@arm.com>
* config/aarch64/aarch64.md: New pattern.
* config/aarch64/aarch64-simd.md: Likewise.
* config/aarch64/iterators.md: New unspecs, iterators.
2015-12-02 Pierre-Marie de Rodat <derodat@adacore.com>
* dwarf2out.c (dwar2out_var_location): In addition to notes,

11
gcc/config/aarch64/aarch64-simd.md
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@ -1962,6 +1962,17 @@
[(set_attr "type" "neon_fp_minmax_<Vetype><q>")]
)
;; Auto-vectorized forms for the IEEE-754 fmax()/fmin() functions
(define_insn "<fmaxmin><mode>3"
[(set (match_operand:VDQF 0 "register_operand" "=w")
(unspec:VDQF [(match_operand:VDQF 1 "register_operand" "w")
(match_operand:VDQF 2 "register_operand" "w")]
FMAXMIN))]
"TARGET_SIMD"
"<fmaxmin_op>\\t%0.<Vtype>, %1.<Vtype>, %2.<Vtype>"
[(set_attr "type" "neon_fp_minmax_<Vetype><q>")]
)
;; 'across lanes' add.
(define_expand "reduc_plus_scal_<mode>"

11
gcc/config/aarch64/aarch64.md
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@ -4569,6 +4569,17 @@
[(set_attr "type" "f_minmax<s>")]
)
;; Scalar forms for the IEEE-754 fmax()/fmin() functions
(define_insn "<fmaxmin><mode>3"
[(set (match_operand:GPF 0 "register_operand" "=w")
(unspec:GPF [(match_operand:GPF 1 "register_operand" "w")
(match_operand:GPF 2 "register_operand" "w")]
FMAXMIN))]
"TARGET_FLOAT"
"<fmaxmin_op>\\t%<s>0, %<s>1, %<s>2"
[(set_attr "type" "f_minmax<s>")]
)
;; For copysign (x, y), we want to generate:
;;
;; LDR d2, #(1 << 63)

10
gcc/config/aarch64/iterators.md
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@ -306,6 +306,8 @@
UNSPEC_VEC_SHR ; Used in aarch64-simd.md.
UNSPEC_SQRDMLAH ; Used in aarch64-simd.md.
UNSPEC_SQRDMLSH ; Used in aarch64-simd.md.
UNSPEC_FMAXNM ; Used in aarch64-simd.md.
UNSPEC_FMINNM ; Used in aarch64-simd.md.
])
;; ------------------------------------------------------------------
@ -948,6 +950,8 @@
(define_int_iterator FMAXMIN_UNS [UNSPEC_FMAX UNSPEC_FMIN])
(define_int_iterator FMAXMIN [UNSPEC_FMAXNM UNSPEC_FMINNM])
(define_int_iterator VQDMULH [UNSPEC_SQDMULH UNSPEC_SQRDMULH])
(define_int_iterator USSUQADD [UNSPEC_SUQADD UNSPEC_USQADD])
@ -1040,6 +1044,12 @@
(UNSPEC_FMINNMV "fminnm")
(UNSPEC_FMINV "fmin")])
(define_int_attr fmaxmin [(UNSPEC_FMAXNM "fmax")
(UNSPEC_FMINNM "fmin")])
(define_int_attr fmaxmin_op [(UNSPEC_FMAXNM "fmaxnm")
(UNSPEC_FMINNM "fminnm")])
(define_int_attr sur [(UNSPEC_SHADD "s") (UNSPEC_UHADD "u")
(UNSPEC_SRHADD "sr") (UNSPEC_URHADD "ur")
(UNSPEC_SHSUB "s") (UNSPEC_UHSUB "u")

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2015-12-02 David Sherwood <david.sherwood@arm.com>
* gcc.target/aarch64/fmaxmin.c: New test.
2015-12-02 Thomas Schwinge <thomas@codesourcery.com>
* gfortran.dg/goacc/coarray.f95: XFAIL.