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neon.md (neon_move_lo_quad_<mode>): Delete.

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gcc/
	* config/arm/neon.md (neon_move_lo_quad_<mode>): Delete.
	(neon_move_hi_quad_<mode>): Likewise.
	(move_hi_quad_<mode>, move_lo_quad_<mode>): Use subreg moves.

From-SVN: r179316
This commit is contained in:
Richard Sandiford 2011-09-28 15:00:10 +00:00 committed by Richard Sandiford
parent 783465f8e3
commit d92aed0647
2 changed files with 12 additions and 65 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-09-28 Richard Sandiford <richard.sandiford@linaro.org>
* config/arm/neon.md (neon_move_lo_quad_<mode>): Delete.
(neon_move_hi_quad_<mode>): Likewise.
(move_hi_quad_<mode>, move_lo_quad_<mode>): Use subreg moves.
2011-09-28 Nick Clifton <nickc@redhat.com>
* config/rx/predicates.md (rx_minmax_operand): New predicate.

71
gcc/config/arm/neon.md
View File

@ -1251,66 +1251,14 @@
(const_string "neon_int_1") (const_string "neon_int_5")))]
)
; FIXME: We wouldn't need the following insns if we could write subregs of
; vector registers. Make an attempt at removing unnecessary moves, though
; we're really at the mercy of the register allocator.
(define_insn "neon_move_lo_quad_<mode>"
[(set (match_operand:ANY128 0 "s_register_operand" "+w")
(vec_concat:ANY128
(match_operand:<V_HALF> 1 "s_register_operand" "w")
(vec_select:<V_HALF>
(match_dup 0)
(match_operand:ANY128 2 "vect_par_constant_high" ""))))]
"TARGET_NEON"
{
int dest = REGNO (operands[0]);
int src = REGNO (operands[1]);
if (dest != src)
return "vmov\t%e0, %P1";
else
return "";
}
[(set_attr "neon_type" "neon_bp_simple")]
)
(define_insn "neon_move_hi_quad_<mode>"
[(set (match_operand:ANY128 0 "s_register_operand" "+w")
(vec_concat:ANY128
(vec_select:<V_HALF>
(match_dup 0)
(match_operand:ANY128 2 "vect_par_constant_low" ""))
(match_operand:<V_HALF> 1 "s_register_operand" "w")))]
"TARGET_NEON"
{
int dest = REGNO (operands[0]);
int src = REGNO (operands[1]);
if (dest != src)
return "vmov\t%f0, %P1";
else
return "";
}
[(set_attr "neon_type" "neon_bp_simple")]
)
(define_expand "move_hi_quad_<mode>"
[(match_operand:ANY128 0 "s_register_operand" "")
(match_operand:<V_HALF> 1 "s_register_operand" "")]
"TARGET_NEON"
{
rtvec v = rtvec_alloc (<V_mode_nunits>/2);
rtx t1;
int i;
for (i=0; i < (<V_mode_nunits>/2); i++)
RTVEC_ELT (v, i) = GEN_INT (i);
t1 = gen_rtx_PARALLEL (<MODE>mode, v);
emit_insn (gen_neon_move_hi_quad_<mode> (operands[0], operands[1], t1));
emit_move_insn (simplify_gen_subreg (<V_HALF>mode, operands[0], <MODE>mode,
GET_MODE_SIZE (<V_HALF>mode)),
operands[1]);
DONE;
})
@ -1319,16 +1267,9 @@
(match_operand:<V_HALF> 1 "s_register_operand" "")]
"TARGET_NEON"
{
rtvec v = rtvec_alloc (<V_mode_nunits>/2);
rtx t1;
int i;
for (i=0; i < (<V_mode_nunits>/2); i++)
RTVEC_ELT (v, i) = GEN_INT ((<V_mode_nunits>/2) + i);
t1 = gen_rtx_PARALLEL (<MODE>mode, v);
emit_insn (gen_neon_move_lo_quad_<mode> (operands[0], operands[1], t1));
emit_move_insn (simplify_gen_subreg (<V_HALF>mode, operands[0],
<MODE>mode, 0),
operands[1]);
DONE;
})