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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/g++.dg/opt/longbranch2.C | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/opt/longbranch2.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/opt/longbranch2.C | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/opt/longbranch2.C b/gcc-4.9/gcc/testsuite/g++.dg/opt/longbranch2.C new file mode 100644 index 000000000..4a8d5eef7 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/opt/longbranch2.C @@ -0,0 +1,63 @@ +// PR target/11689 +// Originator: thor@math.tu-berlin.de + +// { dg-do compile } +// { dg-options "-O3 -funroll-loops -mtune=k6 -fomit-frame-pointer" { target { { i?86-*-* x86_64-*-* } && ia32 } } } + + +// This used to fail to assemble because of an out-of-range 'loop' instructions. + + +class JKeeper { +public: + unsigned long a0; +}; + +class EBCOTLut : public JKeeper { + unsigned char a1[1<<8]; + unsigned char a2[1<<9]; + unsigned char a3[1<<9]; + long a4[1<<9]; +public: + EBCOTLut(void); +}; + +EBCOTLut::EBCOTLut(void) +{ + unsigned char inter[36]; // intermediate lookup table; + unsigned long i; + for(i=0;i<36;i++) { + inter[i] = 0; + } + for(i=1;i<16;i++) { + a1[i | (1<<7)] = 8<<1; + a1[i | (1<<6)] = 8<<1; + } + for(i=0;i < ((1<<9)-1);i++) { + int ds = (i>>0) & 0x01; // significance of DOWN + int us = (i>>1) & 0x01; // significance of UP + int rs = (i>>2) & 0x01; // significance of RIGHT + int ls = (i>>3) & 0x01; // significance of LEFT + int dn = (i>>5) & 0x01; // sign of DOWN + int un = (i>>6) & 0x01; // sign of UP + int rn = (i>>7) & 0x01; // sign of RIGHT + int ln = (i>>8) & 0x01; // sign of LEFT + int h,v; // h and v as in the VM description + + h = ls*(1-ln*2) + rs*(1-2*rn); + v = us*(1-un*2) + ds*(1-2*dn); + h = (h >= -1)?(h):(-1); + v = (v >= -1)?(v):(-1); + h = (h <= 1)?(h):(1); + v = (v <= 1)?(v):(1); + a2[i] = inter[((h+1)<<3) | (v+1)]; + a3[i] = inter[((h+1)<<3) | (v+1)] & (unsigned char)(~1); + } + for(i=0;i< 1<<9; i++) { + a4[i] = 2*(i-(1<<(9-1)))*(i-(1<<(9-1))) - + ((i< (1<<(9-1)))? + (2*(i-(1<<(9-2)))*(i-(1<<(9-2)))): + (2*(i-(3<<(9-2)))*(i-(3<<(9-2))))); + + } +} |