forked from OSchip/llvm-project
66 lines
1.4 KiB
ArmAsm
66 lines
1.4 KiB
ArmAsm
//===----------------------Hexagon builtin routine ------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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.macro FUNCTION_BEGIN name
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.text
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.p2align 5
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.globl \name
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.type \name, @function
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\name:
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.endm
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.macro FUNCTION_END name
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.size \name, . - \name
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.endm
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#define Q6_ALIAS(TAG) .global __qdsp_##TAG ; .set __qdsp_##TAG, __hexagon_##TAG
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#define FAST_ALIAS(TAG) .global __hexagon_fast_##TAG ; .set __hexagon_fast_##TAG, __hexagon_##TAG
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#define FAST2_ALIAS(TAG) .global __hexagon_fast2_##TAG ; .set __hexagon_fast2_##TAG, __hexagon_##TAG
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FUNCTION_BEGIN __hexagon_divsf3
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{
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r2,p0 = sfrecipa(r0,r1)
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r4 = sffixupd(r0,r1)
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r3 = ##0x3f800000 // 1.0
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}
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{
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r5 = sffixupn(r0,r1)
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r3 -= sfmpy(r4,r2):lib // 1-(den/recip) yields error?
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r6 = ##0x80000000
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r7 = r3
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}
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{
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r2 += sfmpy(r3,r2):lib
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r3 = r7
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r6 = r5
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r0 = and(r6,r5)
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}
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{
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r3 -= sfmpy(r4,r2):lib
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r0 += sfmpy(r5,r2):lib
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}
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{
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r2 += sfmpy(r3,r2):lib
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r6 -= sfmpy(r0,r4):lib
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}
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{
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r0 += sfmpy(r6,r2):lib
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}
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{
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r5 -= sfmpy(r0,r4):lib
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}
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{
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r0 += sfmpy(r5,r2,p0):scale
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jumpr r31
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}
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FUNCTION_END __hexagon_divsf3
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Q6_ALIAS(divsf3)
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FAST_ALIAS(divsf3)
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FAST2_ALIAS(divsf3)
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