mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-19 00:51:51 +00:00
208 lines
6.4 KiB
C
208 lines
6.4 KiB
C
#include "head.c"
|
|
|
|
#include "QF/mathlib.h"
|
|
|
|
#define sq(x) ((float)(x)*(float)(x))
|
|
#define pi_6 0x3f060a92 // pi/6
|
|
#define r3_2 0x3f5db3d7 // sqrt(3)/2
|
|
#define f1_2 0x3f000000 // 1/2
|
|
#define f1 0x3f800000 // 1
|
|
#define f2 0x40000000 // 2
|
|
#define shx 0x3f0c4020 // sinh(pi/6)
|
|
#define chx 0x3f91f354 // cosh(pi/6)
|
|
|
|
#define DB 0xdeadbeef
|
|
|
|
#define STK (32 * 4) // stack ptr just after globals
|
|
|
|
static pr_ivec4_t callret_init[32] = {
|
|
{ 0, pi_6, 2, 0},
|
|
{ f1, f2, 0, 0},
|
|
// result
|
|
{ DB, DB, DB, DB },
|
|
// pre-call with
|
|
{ DB, DB, DB, DB },
|
|
// post-call with
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
};
|
|
|
|
static pr_ivec4_t callret_expect[32] = {
|
|
// constants
|
|
{ 0, pi_6, 2, 0 },
|
|
{ f1, f2, 0, 0 },
|
|
// result
|
|
{ r3_2, f1_2, chx, shx },
|
|
// pre-call with: should be all 0 on progs init
|
|
{ 0, 0, 0, 0 },
|
|
// post-call with; should be restored to pre-call values (in this case,
|
|
// progs init)
|
|
{ 0, 0, 0, 0 },
|
|
{ DB, DB, DB, DB },
|
|
};
|
|
|
|
static dstatement_t callret_statements[] = {
|
|
{ OP_WITH, 8, 0, 0 }, // pushregs
|
|
{ OP_POP_A_4, 12, 0, 0 },
|
|
{ OP_STORE_A_1, 7, 0, STK }, // save stack pointer for check
|
|
{ OP_PUSH_A_1, 1, 0, 0 },
|
|
{ OP_CALL_B, 2, 0, 8 },
|
|
{ OP_LEA_C, STK, 4, STK }, // discard param
|
|
{ OP_SUB_I_1, 7, STK, 7 }, // check stack restored
|
|
{ OP_WITH, 8, 0, 0 }, // pushregs
|
|
{ OP_POP_A_4, 16, 0, 0 },
|
|
{ OP_BREAK },
|
|
// cos_sin_cosh_sinh:
|
|
// calculate cos(x), sin(x), cosh(x) and sinh(x) simultaneously
|
|
[32]=
|
|
{ OP_WITH, 2, 0, 1 }, // put params into reg 1
|
|
{ OP_LEA_C, STK, -24, STK }, // reserve 24 words on the stack
|
|
{ OP_WITH, 2, 0, 2 }, // put locals into reg 2
|
|
#define x 0 // in parameters float
|
|
#define xn 0 // in locals vec4
|
|
#define x2 4 // in locals vec4
|
|
#define ac 8 // in locals vec4
|
|
#define fa 12 // in locals vec4
|
|
#define fi 16 // in locals vec4
|
|
#define c 20 // in locals int
|
|
{ OP(2, 0, 1, OP_STORE_A_1), xn+1,0, x }, // init xn to [1, x, 0, 0]
|
|
{ OP(2, 0, 0, OP_STORE_A_1), xn, 0, 4 },
|
|
{ OP(2, 0, 2, OP_SWIZZLE_F), xn, 0x0044, xn }, // xn -> [1, x, 1, x]
|
|
{ OP(1, 1, 2, OP_MUL_F_1), x, x, x2 }, // x2 -> [x*x, ?, ?, ?]
|
|
{ OP(2, 0, 2, OP_SWIZZLE_F), x2, 0x0300, x2},//x2 -> [-x*x, -x*x, x*x, x*x]
|
|
{ OP(2, 0, 0, OP_STORE_A_1), fa, 0, 4 }, // init factorial
|
|
{ OP(2, 0, 0, OP_STORE_A_1), fa+1,0, 5 },
|
|
{ OP(2, 0, 2, OP_SWIZZLE_F), fa, 0x0044, fa }, // fa -> [1, 2, 1, 2]
|
|
{ OP(2, 0, 2, OP_SWIZZLE_F), fa, 0x0000, fi }, // init fi -> [1, 1, 1, 1]
|
|
{ OP(2, 2, 2, OP_SUB_F_4), ac, ac, ac }, // init acc (output) to 0
|
|
{ OP(0, 0, 2, OP_LEA_A), 25, 0, c }, // init count
|
|
// loop:
|
|
{ OP(2, 2, 2, OP_ADD_F_4), ac, xn, ac }, // acc += xn
|
|
{ OP(2, 2, 2, OP_MUL_F_4), xn, x2, xn }, // xn *= x2
|
|
{ OP(2, 2, 2, OP_DIV_F_4), xn, fa, xn }, // xn /= f
|
|
{ OP(2, 2, 2, OP_ADD_F_4), fa, fi, fa }, // f += inc
|
|
{ OP(2, 2, 2, OP_DIV_F_4), xn, fa, xn }, // xn /= f
|
|
{ OP(2, 2, 2, OP_ADD_F_4), fa, fi, fa }, // f += inc
|
|
{ OP(2, 0, 2, OP_LEA_C), c, -1, c }, // dec count
|
|
{ OP(0, 0, 2, OP_IFA), -7, 0, c }, // count > 0
|
|
{ OP(2, 0, 0, OP_RETURN), ac, 0, 3 }, // size is (c&31)+1
|
|
#undef x
|
|
#undef xn
|
|
#undef x2
|
|
#undef ac
|
|
#undef fa
|
|
#undef fi
|
|
#undef c
|
|
};
|
|
|
|
static pr_ivec4_t call32_init[32] = {
|
|
{ 0, 2, 0, 0 },
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
{ DB, DB, DB, DB },
|
|
};
|
|
|
|
static pr_ivec4_t call32_expect[32] = {
|
|
{ 0, 2, 0, 0 },
|
|
{ 0, 1, 2, 3 },
|
|
{ 4, 5, 6, 7 },
|
|
{ 8, 9, 10, 11 },
|
|
{ 12, 13, 14, 15 },
|
|
{ 16, 17, 18, 19 },
|
|
{ 20, 21, 22, 23 },
|
|
{ 24, 25, 26, 27 },
|
|
{ 28, 29, 30, 31 },
|
|
};
|
|
|
|
static dstatement_t call32_statements[] = {
|
|
{ OP_CALL_B, 1, 0, 4 },
|
|
{ OP_BREAK },
|
|
[32]=
|
|
{ OP_LEA_C, STK, -36, STK }, // reserve 36 words on the stack
|
|
{ OP_WITH, 2, 0, 2 }, // put locals into reg 2
|
|
{ OP(0, 0, 2, OP_LEA_A), 32, 0, 32 }, // init index
|
|
{ OP(2, 0, 2, OP_LEA_A), 0, 0, 33 }, // init base to array
|
|
//loop:
|
|
{ OP(0, 0, 2, OP_IFBE), 4, 0, 32 }, // if index-- > 0
|
|
{ OP(2, 0, 2, OP_LEA_C), 32, -1, 32 },
|
|
{ OP(2, 2, 2, OP_STORE_D_1), 33, 32, 32 }, // array[index] = index
|
|
{ OP(0, 0, 0, OP_JUMP_A), -3, 0, 0 },
|
|
{ OP(2, 0, 0, OP_RETURN), 0, 0, 0x1f }, // only bits 0-5 are size
|
|
};
|
|
|
|
static pr_ivec4_t callchain_init[32] = {
|
|
{ 0, 2, 3, 4 },
|
|
{ DB, DB, DB, DB },
|
|
};
|
|
|
|
static pr_ivec4_t callchain_expect[32] = {
|
|
{ 0, 2, 3, 4 },
|
|
{ 42, DB, DB, DB },
|
|
};
|
|
|
|
static dstatement_t callchain_statements[] = {
|
|
{ OP_CALL_B, 1, 0, 4 },
|
|
{ OP_BREAK },
|
|
[32]=
|
|
{ OP_LEA_C, STK, -4, STK }, // reserve 4 words on the stack
|
|
{ OP_WITH, 2, 0, 2 }, // put locals into reg 2
|
|
{ OP(0, 0, 2, OP_CALL_B), 2, 0, 0 },
|
|
{ OP(0, 0, 2, OP_CALL_B), 3, 0, 1 },
|
|
{ OP(2, 0, 0, OP_RETURN), 0, 0, 0 },
|
|
[64]=
|
|
{ OP_LEA_C, STK, -4, STK }, // reserve 4 words on the stack
|
|
{ OP_WITH, 2, 0, 2 }, // put locals into reg 2
|
|
{ OP(0, 0, 2, OP_LEA_A), 42, 0, 0 }, // init value
|
|
{ OP(2, 0, 0, OP_RETURN), 0, 0, 0 }, // return value
|
|
[96]=
|
|
{ OP_RETURN, 0, 0, -1 } // void return
|
|
};
|
|
|
|
static bfunction_t callret_functions[] = {
|
|
{ .first_statement = 32 },
|
|
{ .first_statement = 64 },
|
|
{ .first_statement = 96 },
|
|
};
|
|
|
|
test_t tests[] = {
|
|
{
|
|
.desc = "callret",
|
|
.num_globals = num_globals(callret_init,callret_expect),
|
|
.num_statements = num_statements (callret_statements),
|
|
.statements = callret_statements,
|
|
.init_globals = (pr_int_t *) callret_init,
|
|
.expect_globals = (pr_int_t *) callret_expect,
|
|
.functions = callret_functions,
|
|
.num_functions = num_functions(callret_functions),
|
|
.stack_size = 128,
|
|
},
|
|
{
|
|
.desc = "call32",
|
|
.num_globals = num_globals(call32_init,call32_expect),
|
|
.num_statements = num_statements (call32_statements),
|
|
.statements = call32_statements,
|
|
.init_globals = (pr_int_t *) call32_init,
|
|
.expect_globals = (pr_int_t *) call32_expect,
|
|
.functions = callret_functions,
|
|
.num_functions = num_functions(callret_functions),
|
|
.stack_size = 128,
|
|
},
|
|
{
|
|
.desc = "callchain",
|
|
.num_globals = num_globals(callchain_init,callchain_expect),
|
|
.num_statements = num_statements (callchain_statements),
|
|
.statements = callchain_statements,
|
|
.init_globals = (pr_int_t *) callchain_init,
|
|
.expect_globals = (pr_int_t *) callchain_expect,
|
|
.functions = callret_functions,
|
|
.num_functions = num_functions(callret_functions),
|
|
.stack_size = 128,
|
|
},
|
|
};
|
|
|
|
#include "main.c"
|