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Merge "Build support for 32-bit armv8-a"

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Isaac Chen 2017-08-17 07:19:33 +00:00 committed by Gerrit Code Review
commit b890336756
1 changed files with 11 additions and 18 deletions
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29
libc/arch-arm/generic/bionic/strlen.c
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@ -67,53 +67,46 @@ size_t strlen(const char *s) __overloadable
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
#if !defined(__OPTIMIZE_SIZE__)
"bne 1f \n"
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
"sub %[t], %[v], %[mask], lsr #7\n"
"and %[t], %[t], %[mask] \n"
"bics %[t], %[t], %[v] \n"
"it eq \n"
"ldreq %[v], [%[s]], #4 \n"
"bne 1f \n"
"ldr %[v], [%[s]], #4 \n"
#endif
"beq 0b \n"
"b 0b \n"
"1: \n"
"add %[l], %[l], %[s] \n"
"tst %[v], #0xFF \n"