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Diffstat (limited to 'compiler-rt/lib/builtins/hexagon/divsi3.S')
| -rw-r--r-- | compiler-rt/lib/builtins/hexagon/divsi3.S | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/hexagon/divsi3.S b/compiler-rt/lib/builtins/hexagon/divsi3.S new file mode 100644 index 000000000000..5f406524e88a --- /dev/null +++ b/compiler-rt/lib/builtins/hexagon/divsi3.S @@ -0,0 +1,83 @@ +//===----------------------Hexagon builtin routine ------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + + + + .macro FUNCTION_BEGIN name + .text + .p2align 5 + .globl \name + .type \name, @function +\name: + .endm + + .macro FUNCTION_END name + .size \name, . - \name + .endm + + +FUNCTION_BEGIN __hexagon_divsi3 + { + p0 = cmp.ge(r0,#0) + p1 = cmp.ge(r1,#0) + r1 = abs(r0) + r2 = abs(r1) + } + { + r3 = cl0(r1) + r4 = cl0(r2) + r5 = sub(r1,r2) + p2 = cmp.gtu(r2,r1) + } +#if (__HEXAGON_ARCH__ == 60) + { + r0 = #0 + p1 = xor(p0,p1) + p0 = cmp.gtu(r2,r5) + } + if (p2) jumpr r31 +#else + { + r0 = #0 + p1 = xor(p0,p1) + p0 = cmp.gtu(r2,r5) + if (p2) jumpr r31 + } +#endif + { + r0 = mux(p1,#-1,#1) + if (p0) jumpr r31 + r4 = sub(r4,r3) + r3 = #1 + } + { + r0 = #0 + r3:2 = vlslw(r3:2,r4) + loop0(1f,r4) + } + .falign +1: + { + p0 = cmp.gtu(r2,r1) + if (!p0.new) r1 = sub(r1,r2) + if (!p0.new) r0 = add(r0,r3) + r3:2 = vlsrw(r3:2,#1) + }:endloop0 + { + p0 = cmp.gtu(r2,r1) + if (!p0.new) r0 = add(r0,r3) + if (!p1) jumpr r31 + } + { + r0 = neg(r0) + jumpr r31 + } +FUNCTION_END __hexagon_divsi3 + + .globl __qdsp_divsi3 + .set __qdsp_divsi3, __hexagon_divsi3 |