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8e31bf388e
Correct typos of "licenced" to "licensed". Reviewed-by: Stefan Weil <weil@mail.berlios.de> Reviewed-by: Andreas F=E4rber <andreas.faerber@web.de> Signed-off-by: Matthew Fernandez <matthew.fernandez@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
104 lines
1.8 KiB
C
104 lines
1.8 KiB
C
/*
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* ARMv6 integer SIMD operations.
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*
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* Copyright (c) 2007 CodeSourcery.
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* Written by Paul Brook
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*
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* This code is licensed under the GPL.
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*/
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#ifdef ARITH_GE
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#define GE_ARG , void *gep
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#define DECLARE_GE uint32_t ge = 0
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#define SET_GE *(uint32_t *)gep = ge
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#else
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#define GE_ARG
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#define DECLARE_GE do{}while(0)
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#define SET_GE do{}while(0)
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#endif
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#define RESULT(val, n, width) \
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res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width)
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uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG)
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{
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uint32_t res = 0;
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DECLARE_GE;
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ADD16(a, b, 0);
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ADD16(a >> 16, b >> 16, 1);
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SET_GE;
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return res;
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}
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uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG)
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{
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uint32_t res = 0;
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DECLARE_GE;
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ADD8(a, b, 0);
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ADD8(a >> 8, b >> 8, 1);
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ADD8(a >> 16, b >> 16, 2);
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ADD8(a >> 24, b >> 24, 3);
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SET_GE;
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return res;
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}
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uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG)
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{
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uint32_t res = 0;
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DECLARE_GE;
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SUB16(a, b, 0);
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SUB16(a >> 16, b >> 16, 1);
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SET_GE;
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return res;
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}
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uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG)
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{
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uint32_t res = 0;
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DECLARE_GE;
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SUB8(a, b, 0);
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SUB8(a >> 8, b >> 8, 1);
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SUB8(a >> 16, b >> 16, 2);
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SUB8(a >> 24, b >> 24, 3);
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SET_GE;
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return res;
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}
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uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG)
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{
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uint32_t res = 0;
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DECLARE_GE;
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ADD16(a, b >> 16, 0);
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SUB16(a >> 16, b, 1);
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SET_GE;
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return res;
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}
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uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG)
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{
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uint32_t res = 0;
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DECLARE_GE;
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SUB16(a, b >> 16, 0);
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ADD16(a >> 16, b, 1);
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SET_GE;
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return res;
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}
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#undef GE_ARG
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#undef DECLARE_GE
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#undef SET_GE
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#undef RESULT
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#undef ARITH_GE
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#undef PFX
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#undef ADD16
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#undef SUB16
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#undef ADD8
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#undef SUB8
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