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winamp/Src/ns-eel2/asm-nseel-x86-gcc.c

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Initial community commit
2024-09-24 12:54:57 +00:00
/* note: only EEL_F_SIZE=8 is now supported (no float EEL_F's) */
#ifndef AMD64ABI
#define X64_EXTRA_STACK_SPACE 32 // win32 requires allocating space for 4 parameters at 8 bytes each, even though we pass via register
#endif
void nseel_asm_1pdd(void)
{
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
#ifdef TARGET_X64
"fstpl (%rsi)\n"
"movq (%rsi), %xmm0\n"
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"call *%edi\n"
"movl %r15, %rsi\n"
#else
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
#endif
"movq xmm0, (%rsi)\n"
"fldl (%rsi)\n"
#else
"subl $16, %esp\n"
"fstpl (%esp)\n"
"call *%edi\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void nseel_asm_1pdd_end(void){}
void nseel_asm_2pdd(void)
{
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
#ifdef TARGET_X64
"fstpl 8(%rsi)\n"
"fstpl (%rsi)\n"
"movq 8(%rsi), %xmm1\n"
"movq (%rsi), %xmm0\n"
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"call *%edi\n"
"movl %r15, %rsi\n"
#else
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
#endif
"movq xmm0, (%rsi)\n"
"fldl (%rsi)\n"
#else
"subl $16, %esp\n"
"fstpl 8(%esp)\n"
"fstpl (%esp)\n"
"call *%edi\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void nseel_asm_2pdd_end(void){}
void nseel_asm_2pdds(void)
{
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %eax\n"
#ifdef TARGET_X64
"fstpl (%rsi)\n"
"movq (%rdi), %xmm0\n"
"movq (%rsi), %xmm1\n"
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"movl %rdi, %r14\n"
"call *%eax\n"
"movl %r14, %rdi\n" /* restore thrashed rdi */
"movl %r15, %rsi\n"
"movl %r14, %rax\n" /* set return value */
"movq xmm0, (%r14)\n"
#else
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%eax\n"
"movq xmm0, (%edi)\n"
"movl %edi, %eax\n" /* set return value */
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
#endif
#else
"subl $8, %esp\n"
"fstpl (%esp)\n"
"pushl 4(%edi)\n" /* push parameter */
"pushl (%edi)\n" /* push the rest of the parameter */
"call *%eax\n"
"addl $16, %esp\n"
"fstpl (%edi)\n" /* store result */
"movl %edi, %eax\n" /* set return value */
#endif
// denormal-fix result (this is only currently used for pow_op, so we want this!)
"movl 4(%edi), %edx\n"
"addl $0x00100000, %edx\n"
"andl $0x7FF00000, %edx\n"
"cmpl $0x00200000, %edx\n"
"jg 0f\n"
"subl %edx, %edx\n"
#ifdef TARGET_X64
"movll %rdx, (%rdi)\n"
#else
"movl %edx, (%edi)\n"
"movl %edx, 4(%edi)\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_2pdds_end(void){}
//---------------------------------------------------------------------------------------------------------------
// do nothing, eh
void nseel_asm_exec2(void)
{
__asm__(
FUNCTION_MARKER
""
FUNCTION_MARKER
);
}
void nseel_asm_exec2_end(void) { }
void nseel_asm_invsqrt(void)
{
__asm__(
FUNCTION_MARKER
"movl $0x5f3759df, %edx\n"
"fsts (%esi)\n"
#ifdef TARGET_X64
"movl 0xfefefefe, %rax\n"
"fmul" EEL_F_SUFFIX " (%rax)\n"
"movsxl (%esi), %rcx\n"
#else
"fmul" EEL_F_SUFFIX " (0xfefefefe)\n"
"movl (%esi), %ecx\n"
#endif
"sarl $1, %ecx\n"
"subl %ecx, %edx\n"
"movl %edx, (%esi)\n"
"fmuls (%esi)\n"
"fmuls (%esi)\n"
#ifdef TARGET_X64
"movl 0xfefefefe, %rax\n"
"fadd" EEL_F_SUFFIX " (%rax)\n"
#else
"fadd" EEL_F_SUFFIX " (0xfefefefe)\n"
#endif
"fmuls (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_invsqrt_end(void) {}
void nseel_asm_dbg_getstackptr(void)
{
__asm__(
FUNCTION_MARKER
#ifdef __clang__
"ffree %st(0)\n"
#else
"fstpl %st(0)\n"
#endif
"movl %esp, (%esi)\n"
"fildl (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_dbg_getstackptr_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_sin(void)
{
__asm__(
FUNCTION_MARKER
"fsin\n"
FUNCTION_MARKER
);
}
void nseel_asm_sin_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_cos(void)
{
__asm__(
FUNCTION_MARKER
"fcos\n"
FUNCTION_MARKER
);
}
void nseel_asm_cos_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_tan(void)
{
__asm__(
FUNCTION_MARKER
"fptan\n"
"fstp %st(0)\n"
FUNCTION_MARKER
);
}
void nseel_asm_tan_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_sqr(void)
{
__asm__(
FUNCTION_MARKER
"fmul %st(0), %st(0)\n"
FUNCTION_MARKER
);
}
void nseel_asm_sqr_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_sqrt(void)
{
__asm__(
FUNCTION_MARKER
"fabs\n"
"fsqrt\n"
FUNCTION_MARKER
);
}
void nseel_asm_sqrt_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_log(void)
{
__asm__(
FUNCTION_MARKER
"fldln2\n"
"fxch\n"
"fyl2x\n"
FUNCTION_MARKER
);
}
void nseel_asm_log_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_log10(void)
{
__asm__(
FUNCTION_MARKER
"fldlg2\n"
"fxch\n"
"fyl2x\n"
FUNCTION_MARKER
);
}
void nseel_asm_log10_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_abs(void)
{
__asm__(
FUNCTION_MARKER
"fabs\n"
FUNCTION_MARKER
);
}
void nseel_asm_abs_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_assign(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movll (%rax), %rdx\n"
"movll %rdx, %rcx\n"
"shrl $32, %rdx\n"
"addl $0x00100000, %edx\n"
"andl $0x7FF00000, %edx\n"
"cmpl $0x00200000, %edx\n"
"movll %rdi, %rax\n"
"jg 0f\n"
"subl %ecx, %ecx\n"
"0:\n"
"movll %rcx, (%edi)\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl (%eax), %ecx\n"
"movl 4(%eax), %edx\n"
"movl %edx, %eax\n"
"addl $0x00100000, %eax\n" // if exponent is zero, make exponent 0x7ff, if 7ff, make 7fe
"andl $0x7ff00000, %eax\n"
"cmpl $0x00200000, %eax\n"
"jg 0f\n"
"subl %ecx, %ecx\n"
"subl %edx, %edx\n"
"0:\n"
"movl %edi, %eax\n"
"movl %ecx, (%edi)\n"
"movl %edx, 4(%edi)\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_assign_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_assign_fromfp(void)
{
__asm__(
FUNCTION_MARKER
"fstpl (%edi)\n"
"movl 4(%edi), %edx\n"
"addl $0x00100000, %edx\n"
"andl $0x7FF00000, %edx\n"
"cmpl $0x00200000, %edx\n"
"movl %edi, %eax\n"
"jg 0f\n"
"subl %edx, %edx\n"
#ifdef TARGET_X64
"movll %rdx, (%rdi)\n"
#else
"movl %edx, (%edi)\n"
"movl %edx, 4(%edi)\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_assign_fromfp_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_assign_fast_fromfp(void)
{
__asm__(
FUNCTION_MARKER
"movl %edi, %eax\n"
"fstpl (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_assign_fast_fromfp_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_assign_fast(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movll (%rax), %rdx\n"
"movll %rdx, (%edi)\n"
"movll %rdi, %rax\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl (%eax), %ecx\n"
"movl %ecx, (%edi)\n"
"movl 4(%eax), %ecx\n"
"movl %edi, %eax\n"
"movl %ecx, 4(%edi)\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_assign_fast_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_add(void)
{
__asm__(
FUNCTION_MARKER
#ifdef __clang__
"faddp %st(1)\n"
#else
"fadd\n"
#endif
FUNCTION_MARKER
);
}
void nseel_asm_add_end(void) {}
void nseel_asm_add_op(void)
{
__asm__(
FUNCTION_MARKER
"fadd" EEL_F_SUFFIX " (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
"movl 4(%edi), %edx\n"
"addl $0x00100000, %edx\n"
"andl $0x7FF00000, %edx\n"
"cmpl $0x00200000, %edx\n"
"jg 0f\n"
"subl %edx, %edx\n"
#ifdef TARGET_X64
"movll %rdx, (%rdi)\n"
#else
"movl %edx, (%edi)\n"
"movl %edx, 4(%edi)\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_add_op_end(void) {}
void nseel_asm_add_op_fast(void)
{
__asm__(
FUNCTION_MARKER
"fadd" EEL_F_SUFFIX " (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_add_op_fast_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_sub(void)
{
__asm__(
FUNCTION_MARKER
#ifdef __clang__
"fsubrp %st(0), %st(1)\n"
#else
#ifdef __GNUC__
#ifdef __INTEL_COMPILER
"fsub\n"
#else
"fsubr\n" // gnuc has fsub/fsubr backwards, ack
#endif
#else
"fsub\n"
#endif
#endif
FUNCTION_MARKER
);
}
void nseel_asm_sub_end(void) {}
void nseel_asm_sub_op(void)
{
__asm__(
FUNCTION_MARKER
"fsubr" EEL_F_SUFFIX " (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
"movl 4(%edi), %edx\n"
"addl $0x00100000, %edx\n"
"andl $0x7FF00000, %edx\n"
"cmpl $0x00200000, %edx\n"
"jg 0f\n"
"subl %edx, %edx\n"
#ifdef TARGET_X64
"movll %rdx, (%rdi)\n"
#else
"movl %edx, (%edi)\n"
"movl %edx, 4(%edi)\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_sub_op_end(void) {}
void nseel_asm_sub_op_fast(void)
{
__asm__(
FUNCTION_MARKER
"fsubr" EEL_F_SUFFIX " (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_sub_op_fast_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_mul(void)
{
__asm__(
FUNCTION_MARKER
#ifdef __clang__
"fmulp %st(0), %st(1)\n"
#else
"fmul\n"
#endif
FUNCTION_MARKER
);
}
void nseel_asm_mul_end(void) {}
void nseel_asm_mul_op(void)
{
__asm__(
FUNCTION_MARKER
"fmul" EEL_F_SUFFIX " (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
"movl 4(%edi), %edx\n"
"addl $0x00100000, %edx\n"
"andl $0x7FF00000, %edx\n"
"cmpl $0x00200000, %edx\n"
"jg 0f\n"
"subl %edx, %edx\n"
#ifdef TARGET_X64
"movll %rdx, (%rdi)\n"
#else
"movl %edx, (%edi)\n"
"movl %edx, 4(%edi)\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_mul_op_end(void) {}
void nseel_asm_mul_op_fast(void)
{
__asm__(
FUNCTION_MARKER
"fmul" EEL_F_SUFFIX " (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_mul_op_fast_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_div(void)
{
__asm__(
FUNCTION_MARKER
#ifdef __clang__
"fdivrp %st(1)\n"
#else
#ifdef __GNUC__
#ifdef __INTEL_COMPILER
"fdiv\n"
#else
"fdivr\n" // gcc inline asm seems to have fdiv/fdivr backwards
#endif
#else
"fdiv\n"
#endif
#endif
FUNCTION_MARKER
);
}
void nseel_asm_div_end(void) {}
void nseel_asm_div_op(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
#ifdef __clang__
"fdivp %st(1)\n"
#else
#ifndef __GNUC__
"fdivr\n"
#else
#ifdef __INTEL_COMPILER
"fdivp %st(1)\n"
#else
"fdiv\n"
#endif
#endif
#endif
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
"movl 4(%edi), %edx\n"
"addl $0x00100000, %edx\n"
"andl $0x7FF00000, %edx\n"
"cmpl $0x00200000, %edx\n"
"jg 0f\n"
"subl %edx, %edx\n"
#ifdef TARGET_X64
"movll %rdx, (%rdi)\n"
#else
"movl %edx, (%edi)\n"
"movl %edx, 4(%edi)\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_div_op_end(void) {}
void nseel_asm_div_op_fast(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
#ifdef __clang__
"fdivp %st(1)\n"
#else
#ifndef __GNUC__
"fdivr\n"
#else
#ifdef __INTEL_COMPILER
"fdivp %st(1)\n"
#else
"fdiv\n"
#endif
#endif
#endif
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_div_op_fast_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_mod(void)
{
__asm__(
FUNCTION_MARKER
"fabs\n"
"fistpl (%esi)\n"
"fabs\n"
"fistpl 4(%esi)\n"
"xorl %edx, %edx\n"
"cmpl $0, (%esi)\n"
"je 0f\n" // skip devide, set return to 0
"movl 4(%esi), %eax\n"
"divl (%esi)\n"
"0:\n"
"movl %edx, (%esi)\n"
"fildl (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_mod_end(void) {}
void nseel_asm_shl(void)
{
__asm__(
FUNCTION_MARKER
"fistpl (%esi)\n"
"fistpl 4(%esi)\n"
"movl (%esi), %ecx\n"
"movl 4(%esi), %eax\n"
"shll %cl, %eax\n"
"movl %eax, (%esi)\n"
"fildl (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_shl_end(void) {}
void nseel_asm_shr(void)
{
__asm__(
FUNCTION_MARKER
"fistpl (%esi)\n"
"fistpl 4(%esi)\n"
"movl (%esi), %ecx\n"
"movl 4(%esi), %eax\n"
"sarl %cl, %eax\n"
"movl %eax, (%esi)\n"
"fildl (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_shr_end(void) {}
void nseel_asm_mod_op(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
"fxch\n"
"fabs\n"
"fistpl (%edi)\n"
"fabs\n"
"fistpl (%esi)\n"
"xorl %edx, %edx\n"
"cmpl $0, (%edi)\n"
"je 0f\n" // skip devide, set return to 0
"movl (%esi), %eax\n"
"divl (%edi)\n"
"0:\n"
"movl %edx, (%edi)\n"
"fildl (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_mod_op_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_or(void)
{
__asm__(
FUNCTION_MARKER
"fistpll (%esi)\n"
"fistpll 8(%esi)\n"
#ifdef TARGET_X64
"movll 8(%rsi), %rdi\n"
"orll %rdi, (%rsi)\n"
#else
"movl 8(%esi), %edi\n"
"movl 12(%esi), %ecx\n"
"orl %edi, (%esi)\n"
"orl %ecx, 4(%esi)\n"
#endif
"fildll (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_or_end(void) {}
void nseel_asm_or0(void)
{
__asm__(
FUNCTION_MARKER
"fistpll (%esi)\n"
"fildll (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_or0_end(void) {}
void nseel_asm_or_op(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
"fxch\n"
"fistpll (%edi)\n"
"fistpll (%esi)\n"
#ifdef TARGET_X64
"movll (%rsi), %rax\n"
"orll %rax, (%rdi)\n"
#else
"movl (%esi), %eax\n"
"movl 4(%esi), %ecx\n"
"orl %eax, (%edi)\n"
"orl %ecx, 4(%edi)\n"
#endif
"fildll (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_or_op_end(void) {}
void nseel_asm_xor(void)
{
__asm__(
FUNCTION_MARKER
"fistpll (%esi)\n"
"fistpll 8(%esi)\n"
#ifdef TARGET_X64
"movll 8(%rsi), %rdi\n"
"xorll %rdi, (%rsi)\n"
#else
"movl 8(%esi), %edi\n"
"movl 12(%esi), %ecx\n"
"xorl %edi, (%esi)\n"
"xorl %ecx, 4(%esi)\n"
#endif
"fildll (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_xor_end(void) {}
void nseel_asm_xor_op(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
"fxch\n"
"fistpll (%edi)\n"
"fistpll (%esi)\n"
#ifdef TARGET_X64
"movll (%rsi), %rax\n"
"xorll %rax, (%rdi)\n"
#else
"movl (%esi), %eax\n"
"movl 4(%esi), %ecx\n"
"xorl %eax, (%edi)\n"
"xorl %ecx, 4(%edi)\n"
#endif
"fildll (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_xor_op_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_and(void)
{
__asm__(
FUNCTION_MARKER
"fistpll (%esi)\n"
"fistpll 8(%esi)\n"
#ifdef TARGET_X64
"movll 8(%rsi), %rdi\n"
"andll %rdi, (%rsi)\n"
#else
"movl 8(%esi), %edi\n"
"movl 12(%esi), %ecx\n"
"andl %edi, (%esi)\n"
"andl %ecx, 4(%esi)\n"
#endif
"fildll (%esi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_and_end(void) {}
void nseel_asm_and_op(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
"fxch\n"
"fistpll (%edi)\n"
"fistpll (%esi)\n"
#ifdef TARGET_X64
"movll (%rsi), %rax\n"
"andll %rax, (%rdi)\n"
#else
"movl (%esi), %eax\n"
"movl 4(%esi), %ecx\n"
"andl %eax, (%edi)\n"
"andl %ecx, 4(%edi)\n"
#endif
"fildll (%edi)\n"
"movl %edi, %eax\n"
"fstp" EEL_F_SUFFIX " (%edi)\n"
FUNCTION_MARKER
);
}
void nseel_asm_and_op_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_uplus(void) // this is the same as doing nothing, it seems
{
__asm__(
FUNCTION_MARKER
""
FUNCTION_MARKER
);
}
void nseel_asm_uplus_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_uminus(void)
{
__asm__(
FUNCTION_MARKER
"fchs\n"
FUNCTION_MARKER
);
}
void nseel_asm_uminus_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_sign(void)
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
"fst" EEL_F_SUFFIX " (%rsi)\n"
"mov" EEL_F_SUFFIX " (%rsi), %rdx\n"
"movll $0x7FFFFFFFFFFFFFFF, %rcx\n"
"testll %rcx, %rdx\n"
"jz 0f\n" // zero zero, return the value passed directly
// calculate sign
"incll %rcx\n" // rcx becomes 0x80000...
"fstp %st(0)\n"
"fld1\n"
"testl %rcx, %rdx\n"
"jz 0f\n"
"fchs\n"
"0:\n"
#else
"fsts (%esi)\n"
"movl (%esi), %ecx\n"
"movl $0x7FFFFFFF, %edx\n"
"testl %edx, %ecx\n"
"jz 0f\n" // zero zero, return the value passed directly
// calculate sign
"incl %edx\n" // edx becomes 0x8000...
"fstp %st(0)\n"
"fld1\n"
"testl %edx, %ecx\n"
"jz 0f\n"
"fchs\n"
"0:\n"
#endif
FUNCTION_MARKER
);
}
void nseel_asm_sign_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_bnot(void)
{
__asm__(
FUNCTION_MARKER
"testl %eax, %eax\n"
"setz %al\n"
"andl $0xff, %eax\n"
FUNCTION_MARKER
);
}
void nseel_asm_bnot_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_fcall(void)
{
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edx\n"
#ifdef TARGET_X64
"subl $8, %esp\n"
"call *%edx\n"
"addl $8, %esp\n"
#else
"subl $12, %esp\n" /* keep stack 16 byte aligned, 4 bytes for return address */
"call *%edx\n"
"addl $12, %esp\n"
#endif
FUNCTION_MARKER
);
}
void nseel_asm_fcall_end(void) {}
void nseel_asm_band(void)
{
__asm__(
FUNCTION_MARKER
"testl %eax, %eax\n"
"jz 0f\n"
"movl $0xfefefefe, %ecx\n"
#ifdef TARGET_X64
"subl $8, %rsp\n"
#else
"subl $12, %esp\n"
#endif
"call *%ecx\n"
#ifdef TARGET_X64
"addl $8, %rsp\n"
#else
"addl $12, %esp\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_band_end(void) {}
void nseel_asm_bor(void)
{
__asm__(
FUNCTION_MARKER
"testl %eax, %eax\n"
"jnz 0f\n"
"movl $0xfefefefe, %ecx\n"
#ifdef TARGET_X64
"subl $8, %rsp\n"
#else
"subl $12, %esp\n"
#endif
"call *%ecx\n"
#ifdef TARGET_X64
"addl $8, %rsp\n"
#else
"addl $12, %esp\n"
#endif
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_bor_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_equal(void)
{
__asm__(
FUNCTION_MARKER
#ifdef __clang__
"fsubp %st(1)\n"
#else
"fsub\n"
#endif
"fabs\n"
#ifdef TARGET_X64
"fcomp" EEL_F_SUFFIX " -8(%r12)\n" //[g_closefact]
#else
"fcomp" EEL_F_SUFFIX " -8(%ebx)\n" //[g_closefact]
#endif
"fstsw %ax\n"
"andl $256, %eax\n" // old behavior: if 256 set, true (NaN means true)
FUNCTION_MARKER
);
}
void nseel_asm_equal_end(void) {}
//
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_equal_exact(void)
{
__asm__(
FUNCTION_MARKER
"fcompp\n"
"fstsw %ax\n" // for equal 256 and 1024 should be clear, 16384 should be set
"andl $17664, %eax\n" // mask C4/C3/C1, bits 8/10/14, 16384|256|1024 -- if equals 16384, then equality
"cmp $16384, %eax\n"
"je 0f\n"
"subl %eax, %eax\n"
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_equal_exact_end(void) {}
void nseel_asm_notequal_exact(void)
{
__asm__(
FUNCTION_MARKER
"fcompp\n"
"fstsw %ax\n" // for equal 256 and 1024 should be clear, 16384 should be set
"andl $17664, %eax\n" // mask C4/C3/C1, bits 8/10/14, 16384|256|1024 -- if equals 16384, then equality
"cmp $16384, %eax\n"
"je 0f\n"
"subl %eax, %eax\n"
"0:\n"
"xorl $16384, %eax\n" // flip the result
FUNCTION_MARKER
);
}
void nseel_asm_notequal_exact_end(void) {}
//
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_notequal(void)
{
__asm__(
FUNCTION_MARKER
#ifdef __clang__
"fsubp %st(1)\n"
#else
"fsub\n"
#endif
"fabs\n"
#ifdef TARGET_X64
"fcomp" EEL_F_SUFFIX " -8(%r12)\n" //[g_closefact]
#else
"fcomp" EEL_F_SUFFIX " -8(%ebx)\n" //[g_closefact]
#endif
"fstsw %ax\n"
"andl $256, %eax\n"
"xorl $256, %eax\n" // old behavior: if 256 set, FALSE (NaN makes for false)
FUNCTION_MARKER
);
}
void nseel_asm_notequal_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_above(void)
{
__asm__(
FUNCTION_MARKER
"fcompp\n"
"fstsw %ax\n"
"andl $1280, %eax\n" // (1024+256) old behavior: NaN would mean 1, preserve that
FUNCTION_MARKER
);
}
void nseel_asm_above_end(void) {}
//---------------------------------------------------------------------------------------------------------------
void nseel_asm_beloweq(void)
{
__asm__(
FUNCTION_MARKER
"fcompp\n"
"fstsw %ax\n"
"andl $256, %eax\n" // old behavior: NaN would be 0 (ugh)
"xorl $256, %eax\n"
FUNCTION_MARKER
);
}
void nseel_asm_beloweq_end(void) {}
void nseel_asm_booltofp(void)
{
__asm__(
FUNCTION_MARKER
"testl %eax, %eax\n"
"jz 0f\n"
"fld1\n"
"jmp 1f\n"
"0:\n"
"fldz\n"
"1:\n"
FUNCTION_MARKER
);
}
void nseel_asm_booltofp_end(void) {}
void nseel_asm_fptobool(void)
{
__asm__(
FUNCTION_MARKER
"fabs\n"
#ifdef TARGET_X64
"fcomp" EEL_F_SUFFIX " -8(%r12)\n" //[g_closefact]
#else
"fcomp" EEL_F_SUFFIX " -8(%ebx)\n" //[g_closefact]
#endif
"fstsw %ax\n"
"andl $256, %eax\n"
"xorl $256, %eax\n"
FUNCTION_MARKER
);
}
void nseel_asm_fptobool_end(void) {}
void nseel_asm_fptobool_rev(void)
{
__asm__(
FUNCTION_MARKER
"fabs\n"
#ifdef TARGET_X64
"fcomp" EEL_F_SUFFIX " -8(%r12)\n" //[g_closefact]
#else
"fcomp" EEL_F_SUFFIX " -8(%ebx)\n" //[g_closefact]
#endif
"fstsw %ax\n"
"andl $256, %eax\n"
FUNCTION_MARKER
);
}
void nseel_asm_fptobool_rev_end(void) {}
void nseel_asm_min(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
"fcomp" EEL_F_SUFFIX " (%eax)\n"
"movl %eax, %ecx\n"
"fstsw %ax\n"
"testl $256, %eax\n"
"movl %ecx, %eax\n"
"jz 0f\n"
"movl %edi, %eax\n"
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_min_end(void) {}
void nseel_asm_max(void)
{
__asm__(
FUNCTION_MARKER
"fld" EEL_F_SUFFIX " (%edi)\n"
"fcomp" EEL_F_SUFFIX " (%eax)\n"
"movl %eax, %ecx\n"
"fstsw %ax\n"
"testl $256, %eax\n"
"movl %ecx, %eax\n"
"jnz 0f\n"
"movl %edi, %eax\n"
"0:\n"
FUNCTION_MARKER
);
}
void nseel_asm_max_end(void) {}
void nseel_asm_min_fp(void)
{
__asm__(
FUNCTION_MARKER
"fcom\n"
"fstsw %ax\n"
"testl $256, %eax\n"
"jz 0f\n"
"fxch\n"
"0:\n"
"fstp %st(0)\n"
FUNCTION_MARKER
);
}
void nseel_asm_min_fp_end(void) {}
void nseel_asm_max_fp(void)
{
__asm__(
FUNCTION_MARKER
"fcom\n"
"fstsw %ax\n"
"testl $256, %eax\n"
"jnz 0f\n"
"fxch\n"
"0:\n"
"fstp %st(0)\n"
FUNCTION_MARKER
);
}
void nseel_asm_max_fp_end(void) {}
// just generic functions left, yay
void _asm_generic3parm(void)
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"movl %rdi, %rdx\n" // third parameter = parm
"movl $0xfefefefe, %rdi\n" // first parameter= context
"movl %ecx, %rsi\n" // second parameter = parm
"movl %rax, %rcx\n" // fourth parameter = parm
"movl $0xfefefefe, %rax\n" // call function
"call *%rax\n"
"movl %r15, %rsi\n"
#else
"movl %ecx, %edx\n" // second parameter = parm
"movl $0xfefefefe, %ecx\n" // first parameter= context
"movl %rdi, %r8\n" // third parameter = parm
"movl %rax, %r9\n" // fourth parameter = parm
"movl $0xfefefefe, %edi\n" // call function
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
#endif
#else
"movl $0xfefefefe, %edx\n"
"pushl %eax\n" // push parameter
"pushl %edi\n" // push parameter
"movl $0xfefefefe, %edi\n"
"pushl %ecx\n" // push parameter
"pushl %edx\n" // push context pointer
"call *%edi\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void _asm_generic3parm_end(void) {}
void _asm_generic3parm_retd(void)
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"movl %rdi, %rdx\n" // third parameter = parm
"movl $0xfefefefe, %rdi\n" // first parameter= context
"movl %ecx, %rsi\n" // second parameter = parm
"movl %rax, %rcx\n" // fourth parameter = parm
"movl $0xfefefefe, %rax\n" // call function
"call *%rax\n"
"movl %r15, %rsi\n"
"movq xmm0, (%r15)\n"
"fldl (%r15)\n"
#else
"movl %ecx, %edx\n" // second parameter = parm
"movl $0xfefefefe, %ecx\n" // first parameter= context
"movl %rdi, %r8\n" // third parameter = parm
"movl %rax, %r9\n" // fourth parameter = parm
"movl $0xfefefefe, %edi\n" // call function
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
"movq xmm0, (%rsi)\n"
"fldl (%rsi)\n"
#endif
#else
"subl $16, %esp\n"
"movl $0xfefefefe, %edx\n"
"movl %edi, 8(%esp)\n"
"movl $0xfefefefe, %edi\n"
"movl %eax, 12(%esp)\n"
"movl %ecx, 4(%esp)\n"
"movl %edx, (%esp)\n"
"call *%edi\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void _asm_generic3parm_retd_end(void) {}
void _asm_generic2parm(void) // this prob neds to be fixed for ppc
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"movl %edi, %esi\n" // second parameter = parm
"movl $0xfefefefe, %edi\n" // first parameter= context
"movl %rax, %rdx\n" // third parameter = parm
"movl $0xfefefefe, %rcx\n" // call function
"call *%rcx\n"
"movl %r15, %rsi\n"
#else
"movl $0xfefefefe, %ecx\n" // first parameter= context
"movl %edi, %edx\n" // second parameter = parm
"movl %rax, %r8\n" // third parameter = parm
"movl $0xfefefefe, %edi\n" // call function
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
#endif
#else
"movl $0xfefefefe, %edx\n"
"movl $0xfefefefe, %ecx\n"
"subl $4, %esp\n" // keep stack aligned
"pushl %eax\n" // push parameter
"pushl %edi\n" // push parameter
"pushl %edx\n" // push context pointer
"call *%ecx\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void _asm_generic2parm_end(void) {}
void _asm_generic2parm_retd(void)
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"movl %rdi, %rsi\n" // second parameter = parm
"movl $0xfefefefe, %rdi\n" // first parameter= context
"movl $0xfefefefe, %rcx\n" // call function
"movl %rax, %rdx\n" // third parameter = parm
"call *%rcx\n"
"movl %r15, %rsi\n"
"movq xmm0, (%r15)\n"
"fldl (%r15)\n"
#else
"movl %rdi, %rdx\n" // second parameter = parm
"movl $0xfefefefe, %rcx\n" // first parameter= context
"movl $0xfefefefe, %rdi\n" // call function
"movl %rax, %r8\n" // third parameter = parm
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
"movq xmm0, (%rsi)\n"
"fldl (%rsi)\n"
#endif
#else
"subl $16, %esp\n"
"movl $0xfefefefe, %edx\n"
"movl $0xfefefefe, %ecx\n"
"movl %edx, (%esp)\n"
"movl %edi, 4(%esp)\n"
"movl %eax, 8(%esp)\n"
"call *%ecx\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void _asm_generic2parm_retd_end(void) {}
void _asm_generic1parm(void)
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"movl $0xfefefefe, %rdi\n" // first parameter= context
"movl %rsi, %r15\n"
"movl %eax, %rsi\n" // second parameter = parm
"movl $0xfefefefe, %rcx\n" // call function
"call *%rcx\n"
"movl %r15, %rsi\n"
#else
"movl $0xfefefefe, %ecx\n" // first parameter= context
"movl %eax, %edx\n" // second parameter = parm
"movl $0xfefefefe, %edi\n" // call function
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
#endif
#else
"movl $0xfefefefe, %edx\n"
"subl $8, %esp\n" // keep stack aligned
"movl $0xfefefefe, %ecx\n"
"pushl %eax\n" // push parameter
"pushl %edx\n" // push context pointer
"call *%ecx\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void _asm_generic1parm_end(void) {}
void _asm_generic1parm_retd(void) // 1 parameter returning double
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"movl $0xfefefefe, %rdi\n" // first parameter = context pointer
"movl $0xfefefefe, %rcx\n" // function address
"movl %rsi, %r15\n" // save rsi
"movl %rax, %rsi\n" // second parameter = parameter
"call *%rcx\n"
"movl %r15, %rsi\n"
"movq xmm0, (%r15)\n"
"fldl (%r15)\n"
#else
"movl $0xfefefefe, %ecx\n" // first parameter= context
"movl $0xfefefefe, %edi\n" // call function
"movl %rax, %rdx\n" // second parameter = parm
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%edi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
"movq xmm0, (%rsi)\n"
"fldl (%rsi)\n"
#endif
#else
"movl $0xfefefefe, %edx\n" // context pointer
"movl $0xfefefefe, %ecx\n" // func-addr
"subl $16, %esp\n"
"movl %eax, 4(%esp)\n" // push parameter
"movl %edx, (%esp)\n" // push context pointer
"call *%ecx\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void _asm_generic1parm_retd_end(void) {}
// this gets its own stub because it's pretty crucial for performance :/
void _asm_megabuf(void)
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"fadd" EEL_F_SUFFIX " -8(%r12)\n"
"fistpl (%rsi)\n"
// check if (%rsi) is in range, and buffer available, otherwise call function
"movl (%rsi), %edx\n"
"cmpl %1, %rdx\n" //REPLACE=((NSEEL_RAM_BLOCKS*NSEEL_RAM_ITEMSPERBLOCK))
"jae 0f\n"
"movll %rdx, %rax\n"
"shrll %2, %rax\n" //REPLACE=(NSEEL_RAM_ITEMSPERBLOCK_LOG2 - 3/*log2(sizeof(void *))*/ )
"andll %3, %rax\n" //REPLACE=((NSEEL_RAM_BLOCKS-1)*8 /*sizeof(void*)*/ )
"movll (%r12, %rax), %rax\n"
"testl %rax, %rax\n"
"jnz 1f\n"
"0:\n"
"movl $0xfefefefe, %rax\n"
"movl %r12, %rdi\n" // set first parm to ctx
"movl %rsi, %r15\n" // save rsi
"movl %rdx, %esi\n" // esi becomes second parameter (edi is first, context pointer)
"call *%rax\n"
"movl %r15, %rsi\n" // restore rsi
"jmp 2f\n"
"1:\n"
"andll %4, %rdx\n" //REPLACE=(NSEEL_RAM_ITEMSPERBLOCK-1)
"shlll $3, %rdx\n" // 3 is log2(sizeof(EEL_F))
"addll %rdx, %rax\n"
"2:\n"
#else
"fadd" EEL_F_SUFFIX " -8(%r12)\n"
"fistpl (%rsi)\n"
// check if (%rsi) is in range...
"movl (%rsi), %edi\n"
"cmpl %1, %edi\n" //REPLACE=((NSEEL_RAM_BLOCKS*NSEEL_RAM_ITEMSPERBLOCK))
"jae 0f\n"
"movll %rdi, %rax\n"
"shrll %2, %rax\n" //REPLACE=(NSEEL_RAM_ITEMSPERBLOCK_LOG2 - 3/*log2(sizeof(void *))*/ )
"andll %3, %rax\n" //REPLACE=((NSEEL_RAM_BLOCKS-1)*8 /*sizeof(void*)*/ )
"movll (%r12, %rax), %rax\n"
"testl %rax, %rax\n"
"jnz 1f\n"
"0:\n"
"movl $0xfefefefe, %rax\n" // function ptr
"movl %r12, %rcx\n" // set first parm to ctx
"movl %rdi, %rdx\n" // rdx is second parameter (rcx is first)
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%rax\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
"jmp 2f\n"
"1:\n"
"andll %4, %rdi\n" //REPLACE=(NSEEL_RAM_ITEMSPERBLOCK-1)
"shlll $3, %rdi\n" // 3 is log2(sizeof(EEL_F))
"addll %rdi, %rax\n"
"2:\n"
#endif
FUNCTION_MARKER
#else
"fadd" EEL_F_SUFFIX " -8(%%ebx)\n"
"fistpl (%%esi)\n"
// check if (%esi) is in range, and buffer available, otherwise call function
"movl (%%esi), %%edi\n"
"cmpl %0, %%edi\n" //REPLACE=((NSEEL_RAM_BLOCKS*NSEEL_RAM_ITEMSPERBLOCK))
"jae 0f\n"
"movl %%edi, %%eax\n"
"shrl %1, %%eax\n" //REPLACE=(NSEEL_RAM_ITEMSPERBLOCK_LOG2 - 2/*log2(sizeof(void *))*/ )
"andl %2, %%eax\n" //REPLACE=((NSEEL_RAM_BLOCKS-1)*4 /*sizeof(void*)*/ )
"movl (%%ebx, %%eax), %%eax\n"
"testl %%eax, %%eax\n"
"jnz 1f\n"
"0:\n"
"subl $8, %%esp\n" // keep stack aligned
"movl $0xfefefefe, %%ecx\n"
"pushl %%edi\n" // parameter
"pushl %%ebx\n" // push context pointer
"call *%%ecx\n"
"addl $16, %%esp\n"
"jmp 2f\n"
"1:\n"
"andl %3, %%edi\n" //REPLACE=(NSEEL_RAM_ITEMSPERBLOCK-1)
"shll $3, %%edi\n" // 3 is log2(sizeof(EEL_F))
"addl %%edi, %%eax\n"
"2:"
FUNCTION_MARKER
#ifndef _MSC_VER
:: "i" (((NSEEL_RAM_BLOCKS*NSEEL_RAM_ITEMSPERBLOCK))),
"i" ((NSEEL_RAM_ITEMSPERBLOCK_LOG2 - 2/*log2(sizeof(void *))*/ )),
"i" (((NSEEL_RAM_BLOCKS-1)*4 /*sizeof(void*)*/ )),
"i" ((NSEEL_RAM_ITEMSPERBLOCK-1 ))
#endif
#endif
);
}
void _asm_megabuf_end(void) {}
void _asm_gmegabuf(void)
{
__asm__(
FUNCTION_MARKER
#ifdef TARGET_X64
#ifdef AMD64ABI
"movl %rsi, %r15\n"
"fadd" EEL_F_SUFFIX " -8(%r12)\n"
"movl $0xfefefefe, %rdi\n" // first parameter = context pointer
"fistpl (%rsi)\n"
"movl $0xfefefefe, %edx\n"
"movl (%rsi), %esi\n"
"call *%rdx\n"
"movl %r15, %rsi\n"
#else
"fadd" EEL_F_SUFFIX " -8(%r12)\n"
"movl $0xfefefefe, %rcx\n" // first parameter = context pointer
"fistpl (%rsi)\n"
"movl $0xfefefefe, %rdi\n"
"movl (%rsi), %edx\n"
"subl X64_EXTRA_STACK_SPACE, %rsp\n"
"call *%rdi\n"
"addl X64_EXTRA_STACK_SPACE, %rsp\n"
#endif
#else
"subl $16, %esp\n" // keep stack aligned
"movl $0xfefefefe, (%esp)\n"
"fadd" EEL_F_SUFFIX " -8(%ebx)\n"
"movl $0xfefefefe, %edi\n"
"fistpl 4(%esp)\n"
"call *%edi\n"
"addl $16, %esp\n"
#endif
FUNCTION_MARKER
);
}
void _asm_gmegabuf_end(void) {}
void nseel_asm_stack_push(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %rdi\n"
"movll (%rax), %rcx\n"
"movll (%rdi), %rax\n"
"addll $8, %rax\n"
"movl $0xFEFEFEFE, %rdx\n"
"andll %rdx, %rax\n"
"movl $0xFEFEFEFE, %rdx\n"
"orll %rdx, %rax\n"
"movll %rcx, (%rax)\n"
"movll %rax, (%rdi)\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
"movl (%eax), %ecx\n"
"movl 4(%eax), %edx\n"
"movl (%edi), %eax\n"
"addl $8, %eax\n"
"andl $0xfefefefe, %eax\n"
"orl $0xfefefefe, %eax\n"
"movl %ecx, (%eax)\n"
"movl %edx, 4(%eax)\n"
"movl %eax, (%edi)\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_stack_push_end(void) {}
void nseel_asm_stack_pop(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %rdi\n"
"movll (%rdi), %rcx\n"
"movq (%rcx), %xmm0\n"
"subll $8, %rcx\n"
"movl $0xFEFEFEFE, %rdx\n"
"andll %rdx, %rcx\n"
"movl $0xFEFEFEFE, %rdx\n"
"orll %rdx, %rcx\n"
"movll %rcx, (%rdi)\n"
"movq %xmm0, (%eax)\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
"movl (%edi), %ecx\n"
"fld" EEL_F_SUFFIX " (%ecx)\n"
"subl $8, %ecx\n"
"andl $0xfefefefe, %ecx\n"
"orl $0xfefefefe, %ecx\n"
"movl %ecx, (%edi)\n"
"fstp" EEL_F_SUFFIX " (%eax)\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_stack_pop_end(void) {}
void nseel_asm_stack_pop_fast(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %rdi\n"
"movll (%rdi), %rcx\n"
"movll %rcx, %rax\n"
"subll $8, %rcx\n"
"movl $0xFEFEFEFE, %rdx\n"
"andll %rdx, %rcx\n"
"movl $0xFEFEFEFE, %rdx\n"
"orll %rdx, %rcx\n"
"movll %rcx, (%rdi)\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
"movl (%edi), %ecx\n"
"movl %ecx, %eax\n"
"subl $8, %ecx\n"
"andl $0xfefefefe, %ecx\n"
"orl $0xfefefefe, %ecx\n"
"movl %ecx, (%edi)\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_stack_pop_fast_end(void) {}
void nseel_asm_stack_peek_int(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movll $0xfefefefe, %rdi\n"
"movll (%rdi), %rax\n"
"movl $0xfefefefe, %rdx\n"
"subll %rdx, %rax\n"
"movl $0xFEFEFEFE, %rdx\n"
"andll %rdx, %rax\n"
"movl $0xFEFEFEFE, %rdx\n"
"orll %rdx, %rax\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
"movl (%edi), %eax\n"
"movl $0xfefefefe, %edx\n"
"subl %edx, %eax\n"
"andl $0xfefefefe, %eax\n"
"orl $0xfefefefe, %eax\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_stack_peek_int_end(void) {}
void nseel_asm_stack_peek(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movll $0xfefefefe, %rdi\n"
"fistpl (%rsi)\n"
"movll (%rdi), %rax\n"
"movll (%rsi), %rdx\n"
"shll $3, %rdx\n" // log2(sizeof(EEL_F))
"subl %rdx, %rax\n"
"movl $0xFEFEFEFE, %rdx\n"
"andll %rdx, %rax\n"
"movl $0xFEFEFEFE, %rdx\n"
"orll %rdx, %rax\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
"fistpl (%esi)\n"
"movl (%edi), %eax\n"
"movl (%esi), %edx\n"
"shll $3, %edx\n" // log2(sizeof(EEL_F))
"subl %edx, %eax\n"
"andl $0xfefefefe, %eax\n"
"orl $0xfefefefe, %eax\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_stack_peek_end(void) {}
void nseel_asm_stack_peek_top(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movll $0xfefefefe, %rdi\n"
"movll (%rdi), %rax\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
"movl (%edi), %eax\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_stack_peek_top_end(void) {}
void nseel_asm_stack_exch(void)
{
#ifdef TARGET_X64
__asm__(
FUNCTION_MARKER
"movll $0xfefefefe, %rdi\n"
"movll (%rdi), %rcx\n"
"movq (%rcx), %xmm0\n"
"movq (%rax), %xmm1\n"
"movq %xmm0, (%rax)\n"
"movq %xmm1, (%rcx)\n"
FUNCTION_MARKER
);
#else
__asm__(
FUNCTION_MARKER
"movl $0xfefefefe, %edi\n"
"movl (%edi), %ecx\n"
"fld" EEL_F_SUFFIX " (%ecx)\n"
"fld" EEL_F_SUFFIX " (%eax)\n"
"fstp" EEL_F_SUFFIX " (%ecx)\n"
"fstp" EEL_F_SUFFIX " (%eax)\n"
FUNCTION_MARKER
);
#endif
}
void nseel_asm_stack_exch_end(void) {}
#ifdef TARGET_X64
void eel_callcode64()
{
__asm__(
#ifndef EEL_X64_NO_CHANGE_FPFLAGS
"subl $16, %rsp\n"
"fnstcw (%rsp)\n"
"mov (%rsp), %ax\n"
"or $0xE3F, %ax\n" // 53 or 64 bit precision, trunc, and masking all exceptions
"mov %ax, 4(%rsp)\n"
"fldcw 4(%rsp)\n"
#endif
"push %rbx\n"
"push %rbp\n"
"push %r12\n"
"push %r13\n"
"push %r14\n"
"push %r15\n"
#ifdef AMD64ABI
"movll %rsi, %r12\n" // second parameter is ram-blocks pointer
"call %rdi\n"
#else
"push %rdi\n"
"push %rsi\n"
"movll %rdx, %r12\n" // second parameter is ram-blocks pointer
"call %rcx\n"
"pop %rsi\n"
"pop %rdi\n"
#endif
"fclex\n"
"pop %r15\n"
"pop %r14\n"
"pop %r13\n"
"pop %r12\n"
"pop %rbp\n"
"pop %rbx\n"
#ifndef EEL_X64_NO_CHANGE_FPFLAGS
"fldcw (%rsp)\n"
"addl $16, %rsp\n"
#endif
"ret\n"
);
}
void eel_callcode64_fast()
{
__asm__(
"push %rbx\n"
"push %rbp\n"
"push %r12\n"
"push %r13\n"
"push %r14\n"
"push %r15\n"
#ifdef AMD64ABI
"movll %rsi, %r12\n" // second parameter is ram-blocks pointer
"call %rdi\n"
#else
"push %rdi\n"
"push %rsi\n"
"movll %rdx, %r12\n" // second parameter is ram-blocks pointer
"call %rcx\n"
"pop %rsi\n"
"pop %rdi\n"
#endif
"pop %r15\n"
"pop %r14\n"
"pop %r13\n"
"pop %r12\n"
"pop %rbp\n"
"pop %rbx\n"
"ret\n"
);
}
void eel_setfp_round()
{
__asm__(
#ifndef EEL_X64_NO_CHANGE_FPFLAGS
"subl $16, %rsp\n"
"fnstcw (%rsp)\n"
"mov (%rsp), %ax\n"
"and $0xF3FF, %ax\n" // set round to nearest
"mov %ax, 4(%rsp)\n"
"fldcw 4(%rsp)\n"
"addl $16, %rsp\n"
#endif
"ret\n"
);
}
void eel_setfp_trunc()
{
__asm__(
#ifndef EEL_X64_NO_CHANGE_FPFLAGS
"subl $16, %rsp\n"
"fnstcw (%rsp)\n"
"mov (%rsp), %ax\n"
"or $0xC00, %ax\n" // set to truncate
"mov %ax, 4(%rsp)\n"
"fldcw 4(%rsp)\n"
"addl $16, %rsp\n"
#endif
"ret\n"
);
}
void eel_enterfp(int s[2])
{
__asm__(
#ifdef AMD64ABI
"fnstcw (%rdi)\n"
"mov (%rdi), %ax\n"
"or $0xE3F, %ax\n" // 53 or 64 bit precision, trunc, and masking all exceptions
"mov %ax, 4(%rdi)\n"
"fldcw 4(%rdi)\n"
#else
"fnstcw (%rcx)\n"
"mov (%rcx), %ax\n"
"or $0xE3F, %ax\n" // 53 or 64 bit precision, trunc, and masking all exceptions
"mov %ax, 4(%rcx)\n"
"fldcw 4(%rcx)\n"
#endif
"ret\n"
);
}
void eel_leavefp(int s[2])
{
__asm__(
#ifdef AMD64ABI
"fldcw (%rdi)\n"
#else
"fldcw (%rcx)\n"
#endif
"ret\n";
);
}
#endif
Reference in a new issue Copy permalink