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S/390: PR80464: Split MEM->GPR vector moves 

We do this already for TImode values but it was missing for vector
modes.

gcc/ChangeLog:

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/80464
	* config/s390/vector.md: Split MEM->GPR vector moves for
	non-s_operand addresses.

gcc/testsuite/ChangeLog:

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	Backport from mainline
	2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/80464
	* gfortran.fortran-torture/compile/pr80464.f90: New test.

From-SVN: r247191
This commit is contained in:
Andreas Krebbel 2017-04-25 11:18:52 +00:00 committed by Andreas Krebbel
parent e898f963a6
commit 1ab303de18
4 changed files with 75 additions and 0 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/80464
* config/s390/vector.md: Split MEM->GPR vector moves for
non-s_operand addresses.
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline

19
gcc/config/s390/vector.md
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@ -248,6 +248,25 @@
operands[5] = operand_subword (operands[1], 0, 0, <MODE>mode);
})
; This is the vector equivalent to the TImode splitter in s390.md. It
; is required if both target GPRs occur in the source address operand.
; For non-s_operands at least one of the target GPRs does not conflict
; with the address operand and one of the splitters above will take
; over.
(define_split
[(set (match_operand:V_128 0 "register_operand" "")
(match_operand:V_128 1 "memory_operand" ""))]
"TARGET_ZARCH && reload_completed
&& !VECTOR_REG_P (operands[0])
&& !s_operand (operands[1], VOIDmode)"
[(set (match_dup 0) (match_dup 1))]
{
rtx addr = operand_subword (operands[0], 1, 0, <MODE>mode);
addr = gen_lowpart (Pmode, addr);
s390_load_address (addr, XEXP (operands[1], 0));
operands[1] = replace_equiv_address (operands[1], addr);
})
; Moves for smaller vector modes.

8
gcc/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/80464
* gfortran.fortran-torture/compile/pr80464.f90: New test.
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline

39
gcc/testsuite/gfortran.fortran-torture/compile/pr80464.f90 Normal file
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@ -0,0 +1,39 @@
subroutine bla(a,bar,lb,ne,nt,v,b)
character*8 lb
integer bar(20),foo(8,5)
real*8 a(3,*),x(3,8),v(0:3,*)
if(lb(4:4).eq.'3') then
n=8
elseif(lb(4:5).eq.'10') then
n=10
ns=6
m=4
endif
call blub(id)
do
if(id.eq.0) exit
if(lb(4:4).eq.'6') then
m=1
endif
if((n.eq.20).or.(n.eq.8)) then
if(b.eq.0) then
do i=1,ns
do j=1,3
x(j,i)=a(j,bar(foo(i,ig)))
enddo
enddo
else
do i=1,ns
do j=1,3
x(j,i)=a(j,bar(foo(i,ig)))+v(j,bar(foo(i,ig)))
enddo
enddo
endif
endif
do i=1,m
if(lb(4:5).eq.'1E') then
call blab(x)
endif
enddo
enddo
end subroutine bla