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c4x.md (mulqf3_clrqf_clobber, [...]): New patterns to support parallel multiply and load of zero. 

* config/c4x/c4x.md (mulqf3_clrqf_clobber, mulqi3_clrqi_clobber):
	New patterns to support parallel multiply and load of zero.

From-SVN: r26492
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Michael Hayes 1999-04-16 16:36:07 +00:00 committed by Michael Hayes
parent 280f9385ee
commit d8b173bb57
2 changed files with 36 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Sat Apr 17 11:25:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* config/c4x/c4x.md (mulqf3_clrqf_clobber, mulqi3_clrqi_clobber):
New patterns to support parallel multiply and load of zero.
Fri Apr 16 01:23:47 1999 Jason Merrill <jason@yorick.cygnus.com>
* tree.c (valid_machine_attribute): If we're modifying the

32
gcc/config/c4x/c4x.md
View File

@ -4041,6 +4041,21 @@
"mpyf3\\t%2,%1,%0\\n||\\tsubf3\\t%5,%4,%3"
[(set_attr "type" "binarycc")])
;
; MPYF/LDF 0
;
(define_insn "*mulqf3_clrqf_clobber"
[(set (match_operand:QF 0 "r0r1_reg_operand" "=t")
(mult:QF (match_operand:QF 1 "par_ind_operand" "S<>")
(match_operand:QF 2 "par_ind_operand" "S<>")))
(set (match_operand:QF 3 "r2r3_reg_operand" "=u")
(match_operand:QF 4 "fp_zero_operand" "G"))
(clobber (reg:CC 21))]
"TARGET_PARALLEL_MPY"
"mpyf3\\t%2,%1,%0\\n||\\tsubf3\\t%3,%3,%3"
[(set_attr "type" "binarycc")])
;
; NEGF/STF
;
@ -4073,7 +4088,6 @@
;
; PARALLEL INTEGER INSTRUCTIONS
;
; These patterns are under development
;
; ABSI/STI
@ -4195,6 +4209,7 @@
"mpyi3\\t%2,%1,%0\\n||\\taddi3\\t%5,%4,%3"
[(set_attr "type" "binarycc")])
;
; MPYI/STI
;
@ -4228,6 +4243,21 @@
"mpyi3\\t%2,%1,%0\\n||\\tsubi3\\t%5,%4,%3"
[(set_attr "type" "binarycc")])
;
; MPYI/LDI 0
;
(define_insn "*mulqi3_clrqi_clobber"
[(set (match_operand:QI 0 "r0r1_reg_operand" "=t")
(mult:QI (match_operand:QI 1 "par_ind_operand" "S<>")
(match_operand:QI 2 "par_ind_operand" "S<>")))
(set (match_operand:QI 3 "r2r3_reg_operand" "=u")
(const_int 0))
(clobber (reg:CC 21))]
"TARGET_PARALLEL_MPY && TARGET_MPYI"
"mpyi3\\t%2,%1,%0\\n||\\tsubi3\\t%3,%3,%3"
[(set_attr "type" "binarycc")])
;
; NEGI/STI
;