зеркало из https://github.com/mozilla/pjs.git
Bug 603890 add --endianness to lirasm, make tests endianness aware r=nnethercote
--HG-- extra : convert_revision : c7cd544f32aae57d3d359756db867bb33dd83e73
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@ -2235,6 +2235,7 @@ usageAndQuit(const string& progname)
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" --[no-]optimize enable or disable optimization of the LIR (default=off)\n"
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" --random [N] generate a random LIR block of size N (default=1000)\n"
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" --word-size prints the word size (32 or 64) for this build of lirasm and exits\n"
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" --endianness prints endianness (little-endian or big-endian) for this build of librasm and exits\n"
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" i386-specific options:\n"
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" --sse use SSE2 instructions\n"
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" ARM-specific options:\n"
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@ -2313,6 +2314,15 @@ processCmdLine(int argc, char **argv, CmdLineOptions& opts)
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cout << sizeof(void*) * 8 << "\n";
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exit(0);
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}
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else if (arg == "--endianness") {
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int32_t x = 0x01020304;
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if (*(char*)&x == 0x1) {
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cout << "big-endian" << "\n";
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} else {
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cout << "little-endian" << "\n";
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}
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exit(0);
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}
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// Architecture-specific flags.
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#if defined NANOJIT_IA32
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@ -77,6 +77,24 @@ then
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done
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fi
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# little endian
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if [[ $($LIRASM --endianness 2>/dev/null) != "big-endian" ]]
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then
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for infile in "$TESTS_DIR"/littleendian/*.in
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do
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runtest $infile
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done
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fi
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# big endian
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if [[ $($LIRASM --endianness 2>/dev/null) == "big-endian" ]]
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then
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for infile in "$TESTS_DIR"/bigendian/*.in
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do
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runtest $infile
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done
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fi
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# ARM
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if [[ $(uname -m) == arm* ]]
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then
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@ -0,0 +1,5 @@
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base = allocp 512
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five = immi 5
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sti five base 256
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x = ldus2ui base 256
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reti x
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@ -0,0 +1 @@
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Output is: 5
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@ -0,0 +1,26 @@
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full = immi 1288908529 ; 0x4cd32ef1
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p = allocp 4
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sti full p 0
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n0chk = immi -15 ; sign_extend(0xf1)
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n1chk = immi 46 ; sign_extend(0x2e)
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n2chk = immi -45 ; sign_extend(0xd3)
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n3chk = immi 76 ; sign_extend(0x4c)
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n0 = ldc2i p 0
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n1 = ldc2i p 1
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n2 = ldc2i p 2
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n3 = ldc2i p 3
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; Collate the results.
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r0 = xori n0chk n0
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r1 = xori n1chk n1
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r2 = xori n2chk n2
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r3 = xori n3chk n3
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r0_1 = ori r0 r1
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r2_3 = ori r2 r3
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r = ori r0_1 r2_3
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reti r
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@ -0,0 +1 @@
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Output is: 0
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@ -0,0 +1,17 @@
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full = immi -249334698 ; 0xf1237456
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p = allocp 4
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sti full p 0
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n0chk = immi 29782 ; sign_extend(0x7456)
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n1chk = immi -3805 ; sign_extend(0xf123)
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n0 = lds2i p 0
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n1 = lds2i p 2
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; Collate the results.
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r0 = xori n0chk n0
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r1 = xori n1chk n1
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r = ori r0 r1
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reti r
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@ -0,0 +1 @@
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Output is: 0
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@ -0,0 +1,26 @@
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full = immi -992746767 ; 0xc4d3e2f1
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p = allocp 4
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sti full p 0
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n0chk = immi 241 ; 0xf1
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n1chk = immi 226 ; 0xe2
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n2chk = immi 211 ; 0xd3
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n3chk = immi 196 ; 0xc4
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n0 = lduc2ui p 0
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n1 = lduc2ui p 1
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n2 = lduc2ui p 2
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n3 = lduc2ui p 3
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; Collate the results.
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r0 = xori n0chk n0
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r1 = xori n1chk n1
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r2 = xori n2chk n2
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r3 = xori n3chk n3
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r0_1 = ori r0 r1
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r2_3 = ori r2 r3
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r = ori r0_1 r2_3
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reti r
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@ -0,0 +1 @@
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Output is: 0
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@ -0,0 +1,17 @@
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full = immi -249334698 ; 0xf1237456
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p = allocp 4
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sti full p 0
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n0chk = immi 29782 ; sign_extend(0x7456)
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n1chk = immi 61731 ; sign_extend(0xf123)
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n0 = ldus2ui p 0
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n1 = ldus2ui p 2
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; Collate the results.
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r0 = xori n0chk n0
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r1 = xori n1chk n1
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r = ori r0 r1
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reti r
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@ -0,0 +1 @@
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Output is: 0
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