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| author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
|---|---|---|
| committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
| commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
| tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/cxxsupp/builtins/arm/eqdf2vfp.S | |
| download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz | |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/arm/eqdf2vfp.S')
| -rw-r--r-- | contrib/libs/cxxsupp/builtins/arm/eqdf2vfp.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/contrib/libs/cxxsupp/builtins/arm/eqdf2vfp.S b/contrib/libs/cxxsupp/builtins/arm/eqdf2vfp.S new file mode 100644 index 0000000000..7f2fbc3072 --- /dev/null +++ b/contrib/libs/cxxsupp/builtins/arm/eqdf2vfp.S @@ -0,0 +1,29 @@ +//===-- eqdf2vfp.S - Implement eqdf2vfp -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// +// extern int __eqdf2vfp(double a, double b); +// +// Returns one iff a == b and neither is NaN. +// Uses Darwin calling convention where double precision arguments are passsed +// like in GPR pairs. +// + .syntax unified + .p2align 2 +DEFINE_COMPILERRT_FUNCTION(__eqdf2vfp) + vmov d6, r0, r1 // load r0/r1 pair in double register + vmov d7, r2, r3 // load r2/r3 pair in double register + vcmp.f64 d6, d7 + vmrs apsr_nzcv, fpscr + moveq r0, #1 // set result register to 1 if equal + movne r0, #0 + bx lr +END_COMPILERRT_FUNCTION(__eqdf2vfp) |