op_addsub.h
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/*
* ARMv6 integer SIMD operations.
*
* Copyright (c) 2007 CodeSourcery.
* Written by Paul Brook
*
* This code is licenced under the GPL.
*/
#ifdef ARITH_GE
#define DECLARE_GE uint32_t ge = 0
#define SET_GE env->GE = ge
#else
#define DECLARE_GE do{}while(0)
#define SET_GE do{}while(0)
#endif
#define RESULT(val, n, width) \
res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width)
void OPPROTO glue(glue(op_,PFX),add16_T0_T1)(void)
{
uint32_t res = 0;
DECLARE_GE;
ADD16(T0, T1, 0);
ADD16(T0 >> 16, T1 >> 16, 1);
SET_GE;
T0 = res;
FORCE_RET();
}
void OPPROTO glue(glue(op_,PFX),add8_T0_T1)(void)
{
uint32_t res = 0;
DECLARE_GE;
ADD8(T0, T1, 0);
ADD8(T0 >> 8, T1 >> 8, 1);
ADD8(T0 >> 16, T1 >> 16, 2);
ADD8(T0 >> 24, T1 >> 24, 3);
SET_GE;
T0 = res;
FORCE_RET();
}
void OPPROTO glue(glue(op_,PFX),sub16_T0_T1)(void)
{
uint32_t res = 0;
DECLARE_GE;
SUB16(T0, T1, 0);
SUB16(T0 >> 16, T1 >> 16, 1);
SET_GE;
T0 = res;
FORCE_RET();
}
void OPPROTO glue(glue(op_,PFX),sub8_T0_T1)(void)
{
uint32_t res = 0;
DECLARE_GE;
SUB8(T0, T1, 0);
SUB8(T0 >> 8, T1 >> 8, 1);
SUB8(T0 >> 16, T1 >> 16, 2);
SUB8(T0 >> 24, T1 >> 24, 3);
SET_GE;
T0 = res;
FORCE_RET();
}
void OPPROTO glue(glue(op_,PFX),subaddx_T0_T1)(void)
{
uint32_t res = 0;
DECLARE_GE;
ADD16(T0, T1, 0);
SUB16(T0 >> 16, T1 >> 16, 1);
SET_GE;
T0 = res;
FORCE_RET();
}
void OPPROTO glue(glue(op_,PFX),addsubx_T0_T1)(void)
{
uint32_t res = 0;
DECLARE_GE;
SUB16(T0, T1, 0);
ADD16(T0 >> 16, T1 >> 16, 1);
SET_GE;
T0 = res;
FORCE_RET();
}
#undef DECLARE_GE
#undef SET_GE
#undef RESULT
#undef ARITH_GE
#undef PFX
#undef ADD16
#undef SUB16
#undef ADD8
#undef SUB8