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Diffstat (limited to 'lib/builtins/hexagon/umoddi3.S')
-rw-r--r-- | lib/builtins/hexagon/umoddi3.S | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/lib/builtins/hexagon/umoddi3.S b/lib/builtins/hexagon/umoddi3.S deleted file mode 100644 index f091521414afd..0000000000000 --- a/lib/builtins/hexagon/umoddi3.S +++ /dev/null @@ -1,74 +0,0 @@ -//===----------------------Hexagon builtin routine ------------------------===// -// -// 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. -// -//===----------------------------------------------------------------------===// - - - .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_umoddi3 - { - r6 = cl0(r1:0) // count leading 0's of dividend (numerator) - r7 = cl0(r3:2) // count leading 0's of divisor (denominator) - r5:4 = r3:2 // divisor moved into working registers - r3:2 = r1:0 // dividend is the initial remainder, r3:2 contains remainder - } - { - r10 = sub(r7,r6) // left shift count for bit & divisor - r1:0 = #0 // initialize quotient to 0 - r15:14 = #1 // initialize bit to 1 - } - { - r11 = add(r10,#1) // loop count is 1 more than shift count - r13:12 = lsl(r5:4,r10) // shift divisor msb into same bit position as dividend msb - r15:14 = lsl(r15:14,r10) // shift the bit left by same amount as divisor - } - { - p0 = cmp.gtu(r5:4,r3:2) // check if divisor > dividend - loop0(1f,r11) // register loop - } - { - if (p0) jump .hexagon_umoddi3_return // if divisor > dividend, we're done, so return - } - .falign -1: - { - p0 = cmp.gtu(r13:12,r3:2) // set predicate reg if shifted divisor > current remainder - } - { - r7:6 = sub(r3:2, r13:12) // subtract shifted divisor from current remainder - r9:8 = add(r1:0, r15:14) // save current quotient to temp (r9:8) - } - { - r1:0 = vmux(p0, r1:0, r9:8) // choose either current quotient or new quotient (r9:8) - r3:2 = vmux(p0, r3:2, r7:6) // choose either current remainder or new remainder (r7:6) - } - { - r15:14 = lsr(r15:14, #1) // shift bit right by 1 for next iteration - r13:12 = lsr(r13:12, #1) // shift "shifted divisor" right by 1 for next iteration - }:endloop0 - -.hexagon_umoddi3_return: - { - r1:0 = r3:2 - jumpr r31 - } -FUNCTION_END __hexagon_umoddi3 - - .globl __qdsp_umoddi3 - .set __qdsp_umoddi3, __hexagon_umoddi3 |