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https://git.code.sf.net/p/quake/quakeforge
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1e54799f69
By not doing the unrepresentable conversions, since they seem to be undefined behavior and even gcc 12 is inconsistent with them
218 lines
8.5 KiB
C
218 lines
8.5 KiB
C
#include "head.c"
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#include "QF/mathlib.h"
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static pr_ivec4_t ulong_conv_init[] = {
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{ 5, -5, 0x80000000, 0x7fffffff}, //int
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//XXX{ 0x3fc00000, 0xbfc00000, 0x7149f2ca, 0xf149f2ca}, //float 1e30, -1e30
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{ 0x3fc00000, 0xbfc00000, 0, 0}, //float 1e30, -1e30
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{ 99, 0x80000000, 0x80000000, 99}, //long
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{ 256, 0, 0x7fffffff, 0}, //long
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//XXX{ 0x39a08cea, 0x46293e59, 0x39a08cea, 0xc6293e59}, //double 1e30, -1e30
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{ 0, 0, 0, 0}, //double 1e30, -1e30
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{ 0, 0x3ff80000, 0, 0xbff80000}, //double 1.5, -1.5
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{ 5, -5, 0x80000000, 0x7fffffff}, //uint
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{ ~0, 1, 0x80000000, 0}, //bool32
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{ 99, 0x80000000, 0x80000000, 99}, //ulong
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{ 256, 0, 0x7fffffff, 0}, //ulong
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{ ~0, ~0, ~0, 0}, //bool64
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{ 0, ~0, 0, 0}, //bool64
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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{ 0, 0, 0, 0},
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};
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/* Note that these tests fail when compiled with clang due to difference
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* between clang and gcc. However, unlike test-conv4, the failure is
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* consistent between optimized and unoptimized: all tests fail either way.
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* Inspecting the results, it seems that clang sets negative floats and doubles
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* to 0 when casting to unsigned long.
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*/
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static pr_ivec4_t ulong_conv_expect[] = {
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{ 5, -5, 0x80000000, 0x7fffffff}, //int
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//XXX{ 0x3fc00000, 0xbfc00000, 0x7149f2ca, 0xf149f2ca}, //float 1e30, -1e30
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{ 0x3fc00000, 0xbfc00000, 0, 0}, //float 1e30, -1e30
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{ 99, 0x80000000, 0x80000000, 99}, //long
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{ 256, 0, 0x7fffffff, 0}, //long
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//XXX{ 0x39a08cea, 0x46293e59, 0x39a08cea, 0xc6293e59}, //double 1e30, -1e30
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{ 0, 0, 0, 0}, //double 1e30, -1e30
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{ 0, 0x3ff80000, 0, 0xbff80000}, //double 1.5, -1.5
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{ 5, -5, 0x80000000, 0x7fffffff}, //uint
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{ ~0, 1, 0x80000000, 0}, //bool32
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{ 99, 0x80000000, 0x80000000, 99}, //ulong
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{ 256, 0, 0x7fffffff, 0}, //ulong
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{ ~0, ~0, ~0, 0}, //bool64
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{ 0, ~0, 0, 0}, //bool64
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{ 5, 0, -5, 0xffffffff}, // int
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{ 0x80000000, 0xffffffff, 0x7fffffff, 0},
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{ 1, 0, -1, -1}, // float
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//XXX{ 0, 0, 0, 0x80000000}, // undef?
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{ 0, 0, 0, 0}, // undef?
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{ 99, 0x80000000, 0x80000000, 99}, // long
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{ 256, 0, 0x7fffffff, 0},
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//XXX{ 0, 0, 0, 0x80000000}, // double undef?
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{ 0, 0, 0, 0}, // double undef?
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{ 1, 0, -1, -1},
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{ 5, 0, -5, 0}, // uint
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{ 0x80000000, 0, 0x7fffffff, 0},
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{ 1, 0, 1, 0}, // bool32
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{ 1, 0, 0, 0},
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{ 99, 0x80000000, 0x80000000, 99}, // ulong
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{ 256, 0, 0x7fffffff, 0},
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{ 1, 0, 1, 0}, // bool64
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{ 1, 0, 0, 0},
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};
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static dstatement_t ulong_conv_1_statements[] = {
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{ OP(0, 0, 0, OP_LEA_A), 4, 0, 112 }, // init index
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{ OP(0, 0, 0, OP_LEA_A), 8, 0, 113 }, // init index for 64-bits
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//loop:
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{ OP(0, 0, 0, OP_LEA_C), 112, -1, 112 }, // dec index
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{ OP(0, 0, 0, OP_LEA_C), 113, -2, 113 }, // dec index for 64-bits
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{ OP(0, 0, 0, OP_IFAE), 2, 0, 112 },
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{ OP(0, 0, 0, OP_BREAK), 0, 0, 0 },
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{ OP(0, 0, 0, OP_WITH), 4, 112, 1 },
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{ OP(0, 0, 0, OP_WITH), 4, 113, 2 },
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{ OP(1, 1, 2, OP_CONV), 0, 0006, 48 },
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{ OP(1, 1, 2, OP_CONV), 4, 0016, 56 },
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{ OP(2, 1, 2, OP_CONV), 8, 0026, 64 },
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{ OP(2, 1, 2, OP_CONV), 16, 0036, 72 },
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{ OP(1, 1, 2, OP_CONV), 24, 0046, 80 },
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{ OP(1, 1, 2, OP_CONV), 28, 0056, 88 },
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{ OP(2, 1, 2, OP_CONV), 32, 0066, 96 },
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{ OP(2, 1, 2, OP_CONV), 40, 0076, 104 },
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{ OP(0, 0, 0, OP_JUMP_A), -14, 0, 0 },
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};
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static dstatement_t ulong_conv_2_statements[] = {
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{ OP(0, 0, 0, OP_LEA_A), 4, 0, 112 }, // index
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{ OP(0, 0, 0, OP_LEA_A), 8, 0, 113 }, // init index for 64-bits
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//loop:
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{ OP(0, 0, 0, OP_LEA_C), 112, -2, 112 }, // dec index
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{ OP(0, 0, 0, OP_LEA_C), 113, -4, 113 }, // dec index for 64-bits
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{ OP(0, 0, 0, OP_IFAE), 2, 0, 112 },
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{ OP(0, 0, 0, OP_BREAK), 0, 0, 0 },
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{ OP(0, 0, 0, OP_WITH), 4, 112, 1 },
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{ OP(0, 0, 0, OP_WITH), 4, 113, 2 },
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{ OP(1, 1, 2, OP_CONV), 0, 0106, 48 },
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{ OP(1, 1, 2, OP_CONV), 4, 0116, 56 },
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{ OP(2, 1, 2, OP_CONV), 8, 0126, 64 },
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{ OP(2, 1, 2, OP_CONV), 16, 0136, 72 },
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{ OP(1, 1, 2, OP_CONV), 24, 0146, 80 },
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{ OP(1, 1, 2, OP_CONV), 28, 0156, 88 },
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{ OP(2, 1, 2, OP_CONV), 32, 0166, 96 },
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{ OP(2, 1, 2, OP_CONV), 40, 0176, 104 },
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{ OP(0, 0, 0, OP_JUMP_A), -14, 0, 0 },
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};
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static dstatement_t ulong_conv_3a_statements[] = {
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{ OP(1, 1, 2, OP_CONV), 0, 0206, 48 },
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{ OP(1, 1, 2, OP_CONV), 3, 0006, 54 },
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{ OP(1, 1, 2, OP_CONV), 4, 0216, 56 },
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{ OP(1, 1, 2, OP_CONV), 7, 0016, 62 },
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{ OP(2, 1, 2, OP_CONV), 8, 0226, 64 },
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{ OP(2, 1, 2, OP_CONV), 14, 0026, 70 },
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{ OP(2, 1, 2, OP_CONV), 16, 0236, 72 },
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{ OP(2, 1, 2, OP_CONV), 22, 0036, 78 },
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{ OP(1, 1, 2, OP_CONV), 24, 0246, 80 },
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{ OP(1, 1, 2, OP_CONV), 27, 0046, 86 },
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{ OP(1, 1, 2, OP_CONV), 28, 0256, 88 },
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{ OP(1, 1, 2, OP_CONV), 31, 0056, 94 },
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{ OP(2, 1, 2, OP_CONV), 32, 0266, 96 },
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{ OP(2, 1, 2, OP_CONV), 38, 0066, 102 },
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{ OP(2, 1, 2, OP_CONV), 40, 0276, 104 },
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{ OP(2, 1, 2, OP_CONV), 46, 0076, 110 },
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};
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static dstatement_t ulong_conv_3b_statements[] = {
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{ OP(1, 1, 2, OP_CONV), 0, 0006, 48 },
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{ OP(1, 1, 2, OP_CONV), 1, 0206, 50 },
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{ OP(1, 1, 2, OP_CONV), 4, 0016, 56 },
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{ OP(1, 1, 2, OP_CONV), 5, 0216, 58 },
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{ OP(2, 1, 2, OP_CONV), 8, 0026, 64 },
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{ OP(2, 1, 2, OP_CONV), 10, 0226, 66 },
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{ OP(2, 1, 2, OP_CONV), 16, 0036, 72 },
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{ OP(2, 1, 2, OP_CONV), 18, 0236, 74 },
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{ OP(1, 1, 2, OP_CONV), 24, 0046, 80 },
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{ OP(1, 1, 2, OP_CONV), 25, 0246, 82 },
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{ OP(1, 1, 2, OP_CONV), 28, 0056, 88 },
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{ OP(1, 1, 2, OP_CONV), 29, 0256, 90 },
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{ OP(2, 1, 2, OP_CONV), 32, 0066, 96 },
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{ OP(2, 1, 2, OP_CONV), 34, 0266, 98 },
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{ OP(2, 1, 2, OP_CONV), 40, 0076, 104 },
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{ OP(2, 1, 2, OP_CONV), 42, 0276, 106 },
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};
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static dstatement_t ulong_conv_4_statements[] = {
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{ OP(1, 1, 2, OP_CONV), 0, 0306, 48 },
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{ OP(1, 1, 2, OP_CONV), 4, 0316, 56 },
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{ OP(2, 1, 2, OP_CONV), 8, 0326, 64 },
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{ OP(2, 1, 2, OP_CONV), 16, 0336, 72 },
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{ OP(1, 1, 2, OP_CONV), 24, 0346, 80 },
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{ OP(1, 1, 2, OP_CONV), 28, 0356, 88 },
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{ OP(2, 1, 2, OP_CONV), 32, 0366, 96 },
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{ OP(2, 1, 2, OP_CONV), 40, 0376, 104 },
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};
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test_t tests[] = {
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{
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.desc = "ulong conv 1",
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.extra_globals = 4 * 1,
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.num_globals = num_globals(ulong_conv_init,ulong_conv_expect),
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.num_statements = num_statements (ulong_conv_1_statements),
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.statements = ulong_conv_1_statements,
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.init_globals = (pr_int_t *) ulong_conv_init,
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.expect_globals = (pr_int_t *) ulong_conv_expect,
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},
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{
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.desc = "ulong conv 2",
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.extra_globals = 4 * 1,
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.num_globals = num_globals(ulong_conv_init,ulong_conv_expect),
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.num_statements = num_statements (ulong_conv_2_statements),
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.statements = ulong_conv_2_statements,
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.init_globals = (pr_int_t *) ulong_conv_init,
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.expect_globals = (pr_int_t *) ulong_conv_expect,
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},
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{
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.desc = "ulong conv 3a",
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.extra_globals = 4 * 1,
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.num_globals = num_globals(ulong_conv_init,ulong_conv_expect),
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.num_statements = num_statements (ulong_conv_3a_statements),
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.statements = ulong_conv_3a_statements,
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.init_globals = (pr_int_t *) ulong_conv_init,
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.expect_globals = (pr_int_t *) ulong_conv_expect,
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},
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{
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.desc = "ulong conv 3b",
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.extra_globals = 4 * 1,
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.num_globals = num_globals(ulong_conv_init,ulong_conv_expect),
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.num_statements = num_statements (ulong_conv_3b_statements),
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.statements = ulong_conv_3b_statements,
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.init_globals = (pr_int_t *) ulong_conv_init,
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.expect_globals = (pr_int_t *) ulong_conv_expect,
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},
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{
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.desc = "ulong conv 4",
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.extra_globals = 4 * 1,
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.num_globals = num_globals(ulong_conv_init,ulong_conv_expect),
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.num_statements = num_statements (ulong_conv_4_statements),
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.statements = ulong_conv_4_statements,
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.init_globals = (pr_int_t *) ulong_conv_init,
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.expect_globals = (pr_int_t *) ulong_conv_expect,
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},
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};
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#include "main.c"
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