2003-07-25 Michael Snyder <msnyder@redhat.com>
* gencode.c (pshl): Change < to <= (shift by 16 is allowed). Cast argument of >> to unsigned to prevent sign extension. (psha): Change < to <= (shift by 32 is allowed).
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2 changed files with 12 additions and 6 deletions
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@ -1,3 +1,9 @@
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2003-07-25 Michael Snyder <msnyder@redhat.com>
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* gencode.c (pshl): Change < to <= (shift by 16 is allowed).
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Cast argument of >> to unsigned to prevent sign extension.
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(psha): Change < to <= (shift by 32 is allowed).
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2003-07-24 Michael Snyder <msnyder@redhat.com>
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* gencode.c: Fix typo in comment.
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@ -1306,10 +1306,10 @@ op ppi_tab[] =
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{ "","", "pshl #<imm>,dz", "00000iiim16.zzzz",
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"int Sz = DSP_R (z) & 0xffff0000;",
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"",
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"if (i < 16)",
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"if (i <= 16)",
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" res = Sz << i;",
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"else if (i >= 128 - 16)",
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" res = Sz >> 128 - i;",
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" res = (unsigned) Sz >> 128 - i; /* no sign extension */",
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"else",
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" {",
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" RAISE_EXCEPTION (SIGILL);",
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@ -1323,7 +1323,7 @@ op ppi_tab[] =
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"int Sz = DSP_R (z);",
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"int Sz_grd = GET_DSP_GRD (z);",
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"",
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"if (i < 32)",
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"if (i <= 32)",
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" {",
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" if (i == 32)",
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" {",
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@ -1525,10 +1525,10 @@ op ppi_tab[] =
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"int Sx = DSP_R (x) & 0xffff0000;",
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"int Sy = DSP_R (y) >> 16 & 0x7f;",
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"",
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"if (Sy < 16)",
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"if (Sy <= 16)",
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" res = Sx << Sy;",
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"else if (Sy >= 128 - 16)",
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" res = Sx >> 128 - Sy;",
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" res = (unsigned) Sx >> 128 - Sy; /* no sign extension */",
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"else",
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" {",
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" RAISE_EXCEPTION (SIGILL);",
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@ -1541,7 +1541,7 @@ op ppi_tab[] =
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"int Sx_grd = GET_DSP_GRD (x);",
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"int Sy = DSP_R (y) >> 16 & 0x7f;",
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"",
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"if (Sy < 32)",
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"if (Sy <= 32)",
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" {",
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" if (Sy == 32)",
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" {",
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