forked from enlightenment/efl
well neon asm was wrongly documented - and wrong before anyway. it's
disabled for now and uses memcpy. bizarre stuff occurs if i try use it though. SVN revision: 56304
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@ -3,47 +3,47 @@
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#ifdef BUILD_NEON
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static void
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_op_copy_p_dp_neon(DATA32 *s, DATA8 *m __UNUSED__, DATA32 c __UNUSED__, DATA32 *d, int l) {
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//#define USENEON 1
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#ifndef USENEON
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memcpy(d, s, l * sizeof(DATA32));
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return;
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#else
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DATA32 *e;
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// if (((unsigned long)s & 0xf) || ((unsigned long)d & 0xf))
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// {
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memcpy(d, s, l * sizeof(DATA32));
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// return;
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// }
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/*
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e = d + l - 23;
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if (e > d)
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{
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int dl;
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asm volatile (
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".fpu neon \n\t"
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"asmloop2: \n\t"
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"cmp %[e], %[d] \n\t" // compare current and end ptr
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"pld [%[s], #64] \n\t" // preload 64 bytes ahead
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"pld [%[s], #256] \n\t" // preload 256 bytes ahead
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"pld [%[s], #320] \n\t" // preload 320 bytes ahead
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"vld1.64 {d0-d3}, [%[s]]! \n\t" // load 256bits (32 bytes 8 pix)
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"vld1.64 {d4-d7} , [%[s]]! \n\t" // load 256bits (32 bytes 8 pix)
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"vld1.64 {d8-d11}, [%[s]]! \n\t" // load 256bits (32 bytes 8 pix)
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"vst1.64 {d0-d3}, [%[d]]! \n\t" // store 256bits (32 bytes 8 pix)
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"vst1.64 {d4-d7}, [%[d]]! \n\t" // store 256bits (32 bytes 8 pix)
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"vst1.64 {d8-d11}, [%[d]]! \n\t" // store 256bits (32 bytes 8 pix)
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"bhi asmloop2 \n\t"
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: // output regs
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: [s] "r" (s), [e] "r" (e), [d] "r" (d) // input
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: "q0", "q1", "q2", "q3", "q4", "q5",
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"d0", "d1", "d2", "d3", "d4", "d5",
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"d6", "d7", "d8", "d9", "d10", "d11",
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"memory" // clobbered
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);
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e = d + l;
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dl = l - (l % 24);
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s = s + dl;
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d = d + dl;
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asm volatile
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(".fpu neon \n\t"
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"_op_copy_p_dp_neon_asmloop: \n\t"
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"pld [%[s], #192] \n\t" // preload 256 bytes ahead
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"pld [%[s], #320] \n\t" // preload 320 bytes ahead
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"vld1.32 {d0-d3}, [%[s]]! \n\t" // load 256bits (32 bytes 8 pix), 32bit aligned
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"vld1.32 {d4-d7} , [%[s]]! \n\t" // load 256bits (32 bytes 8 pix), 32bit aligned
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"vld1.32 {d8-d11}, [%[s]]! \n\t" // load 256bits (32 bytes 8 pix), 32bit aligned
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"vst1.32 {d0-d3}, [%[d]]! \n\t" // store 256bits (32 bytes 8 pix), 32bit aligned
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"vst1.32 {d4-d7}, [%[d]]! \n\t" // store 256bits (32 bytes 8 pix), 32bit aligned
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"vst1.32 {d8-d11}, [%[d]]! \n\t" // store 256bits (32 bytes 8 pix), 32bit aligned
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"cmp %[e], %[d] \n\t" // compare current and end ptr
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"bgt _op_copy_p_dp_neon_asmloop \n\t"
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: /*out*/
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: /*in */ [s] "r" (s), [e] "r" (e), [d] "r" (d)
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: /*clobber*/
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"q0", "q1", "q2","q3", "q4", "q5", "q6",
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"d0", "d1", "d2", "d3",
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"d4", "d5", "d6", "d7",
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"d8", "d9", "d10", "d11",
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"memory" // clobbered
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);
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dl = l % 24; // dl is how many pixels at end that is not a multiple of 24
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l = l - dl; // jump to there at the end of the run?
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s = s + l;
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d = d + l;
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}
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for (; d < e; d++, s++) {
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*d = *s;
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}
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*/
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e += 23;
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for (;d < e; d++, s++) *d = *s;
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#endif
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}
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#define _op_copy_pan_dp_neon _op_copy_p_dp_neon
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