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Sebastian Held patches15/0018-don-t-use-memcpy-if-copying-within-the-same-array.patch

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7320 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Lionel Gauthier
2015-04-30 09:22:06 +00:00
parent c38b2a5644
commit b55f494e19
1 changed files with 19 additions and 19 deletions
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openair1/PHY/LTE_TRANSPORT/prach.c
+19 -19
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@@ -853,15 +853,15 @@ int32_t generate_prach(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,
if (prach_fmt == 4) {
fft(prachF,prach2,twiddle_ifft256,rev256,8,4,0);
//TODO: account for repeated format in fft output
memcpy((void*)prach,(void*)(prach+512),Ncp<<2);
prach_len=256+Ncp;
memmove( prach, prach+512, Ncp<<2 );
prach_len = 256+Ncp;
} else {
ifft1536(prachF,prach2);
memcpy((void*)prach,(void*)(prach+3072),Ncp<<2);
memmove( prach, prach+3072, Ncp<<2 );
prach_len = 1536+Ncp;
if (prach_fmt>1) {
memcpy((void*)(prach2+3072),(void*)prach2,6144);
memmove( prach2+3072, prach2, 6144 );
prach_len = 2*1536+Ncp;
}
}
@@ -872,15 +872,15 @@ int32_t generate_prach(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,
if (prach_fmt == 4) {
fft(prachF,prach2,twiddle_ifft512,rev512,9,4,0);
//TODO: account for repeated format in fft output
memcpy((void*)prach,(void*)(prach+1024),Ncp<<2);
memmove( prach, prach+1024, Ncp<<2 );
prach_len = 512+Ncp;
} else {
ifft3072(prachF,prach2);
memcpy((void*)prach,(void*)(prach+6144),Ncp<<2);
memmove( prach, prach+6144, Ncp<<2 );
prach_len = 3072+Ncp;
if (prach_fmt>1) {
memcpy((void*)(prach2+6144),(void*)prach2,12288);
memmove( prach2+6144, prach2, 12288 );
prach_len = 2*3072+Ncp;
}
}
@@ -892,17 +892,17 @@ int32_t generate_prach(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,
if (prach_fmt == 4) {
fft(prachF,prach2,twiddle_ifft1024,rev1024,10,5,0);
//TODO: account for repeated format in fft output
memcpy((void*)prach,(void*)(prach+2048),Ncp<<2);
memmove( prach, prach+2048, Ncp<<2 );
prach_len = 1024+Ncp;
} else {
ifft6144(prachF,prach2);
/*for (i=0;i<6144*2;i++)
prach2[i]<<=1;*/
memcpy((void*)prach,(void*)(prach+12288),Ncp<<2);
memmove( prach, prach+12288, Ncp<<2 );
prach_len = 6144+Ncp;
if (prach_fmt>1) {
memcpy((void*)(prach2+12288),(void*)prach2,24576);
memmove( prach2+12288, prach2, 24576 );
prach_len = 2*6144+Ncp;
}
}
@@ -913,15 +913,15 @@ int32_t generate_prach(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,
if (prach_fmt == 4) {
fft(prachF,prach2,twiddle_ifft2048,rev2048,11,5,0);
//TODO: account for repeated format in fft output
memcpy((void*)prach,(void*)(prach+4096),Ncp<<2);
memmove( prach, prach+4096, Ncp<<2 );
prach_len = 2048+Ncp;
} else {
ifft12288(prachF,prach2);
memcpy((void*)prach,(void*)(prach+24576),Ncp<<2);
memmove( prach, prach+24576, Ncp<<2 );
prach_len = 12288+Ncp;
if (prach_fmt>1) {
memcpy((void*)(prach2+24576),(void*)prach2,49152);
memmove( prach2+24576, prach2, 49152 );
prach_len = 2*12288+Ncp;
}
}
@@ -932,15 +932,15 @@ int32_t generate_prach(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,
if (prach_fmt == 4) {
ifft3072(prachF,prach2);
//TODO: account for repeated format in fft output
memcpy((void*)prach,(void*)(prach+6144),Ncp<<2);
memmove( prach, prach+6144, Ncp<<2 );
prach_len = 3072+Ncp;
} else {
ifft18432(prachF,prach2);
memcpy((void*)prach,(void*)(prach+36864),Ncp<<2);
memmove( prach, prach+36864, Ncp<<2 );
prach_len = 18432+Ncp;
if (prach_fmt>1) {
memmove(prach2+36834,prach2,73728);
memmove( prach2+36834, prach2, 73728 );
prach_len = 2*18432+Ncp;
}
}
@@ -951,15 +951,15 @@ int32_t generate_prach(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,
if (prach_fmt == 4) {
fft(prachF,prach2,twiddle_ifft4096,rev4096,12,6,0);
//TODO: account for repeated format in fft output
memcpy((void*)prach,(void*)(prach+8192),Ncp<<2);
memmove( prach, prach+8192, Ncp<<2 );
prach_len = 4096+Ncp;
} else {
ifft24576(prachF,prach2);
memcpy((void*)prach,(void*)(prach+49152),Ncp<<2);
memmove( prach, prach+49152, Ncp<<2 );
prach_len = 24576+Ncp;
if (prach_fmt>1) {
memcpy((void*)(prach2+49152),(void*)prach2,98304);
memmove( prach2+49152, prach2, 98304 );
prach_len = 2* 24576+Ncp;
}
}