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2018-05-15 Michael Collison <michael.collison@arm.com>

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* config/aarch64/aarch64.md:
	(*fix_to_zero_extenddfdi2): New pattern.
	* gcc.target/aarch64/fix_extend1.c: New testcase.

From-SVN: r261051
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Michael Collison 2018-06-01 00:37:28 +00:00 • committed by Michael Collison
parent b670ffe93a
commit eeb59c16f8
3 changed files with 33 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-05-31 Michael Collison <michael.collison@arm.com>
* config/aarch64/aarch64.md:
(*fix_to_zero_extenddfdi2): New pattern.
* gcc.target/aarch64/fix_extend1.c: New testcase.
2018-05-31 Qing Zhao <qing.zhao@oracle.com>
PR middle-end/78809

10
gcc/config/aarch64/aarch64.md
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@ -5103,6 +5103,16 @@
[(set_attr "type" "f_cvtf2i")]
)
(define_insn "*fix_to_zero_extend<mode>di2"
[(set (match_operand:DI 0 "register_operand" "=r")
(zero_extend:DI
(unsigned_fix:SI
(match_operand:GPF 1 "register_operand" "w"))))]
"TARGET_FLOAT"
"fcvtzu\t%w0, %<s>1"
[(set_attr "type" "f_cvtf2i")]
)
(define_insn "<optab><fcvt_target><GPF:mode>2"
[(set (match_operand:GPF 0 "register_operand" "=w,w")
(FLOATUORS:GPF (match_operand:<FCVT_TARGET> 1 "register_operand" "w,?r")))]

17
gcc/testsuite/gcc.target/aarch64/fix_extend1.c Normal file
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@ -0,0 +1,17 @@
/* { dg-do compile } */
/* { dg-options "-O2" } */
unsigned long
f7 (double x)
{
return (unsigned) x;
}
unsigned long
f7_2 (float x)
{
return (unsigned) x;
}
/* { dg-final { scan-assembler "fcvtzu\\tw\[0-9\]+, d\[0-9\]+" } } */
/* { dg-final { scan-assembler "fcvtzu\\tw\[0-9\]+, s\[0-9\]+" } } */