diff options
Diffstat (limited to 'drivers/FPU-emu/mul_Xsig.S')
| -rw-r--r-- | drivers/FPU-emu/mul_Xsig.S | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/drivers/FPU-emu/mul_Xsig.S b/drivers/FPU-emu/mul_Xsig.S deleted file mode 100644 index 1d88d4466..000000000 --- a/drivers/FPU-emu/mul_Xsig.S +++ /dev/null @@ -1,182 +0,0 @@ -/*---------------------------------------------------------------------------+ - | mul_Xsig.S | - | | - | Multiply a 12 byte fixed point number by another fixed point number. | - | | - | Copyright (C) 1992,1994 | - | W. Metzenthen, 22 Parker St, Ormond, Vic 3163, | - | Australia. E-mail billm@vaxc.cc.monash.edu.au | - | | - | Call from C as: | - | void mul32_Xsig(Xsig *x, unsigned b) | - | | - | void mul64_Xsig(Xsig *x, unsigned long long *b) | - | | - | void mul_Xsig_Xsig(Xsig *x, unsigned *b) | - | | - | The result is neither rounded nor normalized, and the ls bit or so may | - | be wrong. | - | | - +---------------------------------------------------------------------------*/ - .file "mul_Xsig.S" - - -#include "fpu_asm.h" - -.text - .align 2,144 -.globl _mul32_Xsig -_mul32_Xsig: - pushl %ebp - movl %esp,%ebp - subl $16,%esp - pushl %esi - - movl PARAM1,%esi - movl PARAM2,%ecx - - xor %eax,%eax - movl %eax,-4(%ebp) - movl %eax,-8(%ebp) - - movl (%esi),%eax /* lsl of Xsig */ - mull %ecx /* msl of b */ - movl %edx,-12(%ebp) - - movl 4(%esi),%eax /* midl of Xsig */ - mull %ecx /* msl of b */ - addl %eax,-12(%ebp) - adcl %edx,-8(%ebp) - adcl $0,-4(%ebp) - - movl 8(%esi),%eax /* msl of Xsig */ - mull %ecx /* msl of b */ - addl %eax,-8(%ebp) - adcl %edx,-4(%ebp) - - movl -12(%ebp),%eax - movl %eax,(%esi) - movl -8(%ebp),%eax - movl %eax,4(%esi) - movl -4(%ebp),%eax - movl %eax,8(%esi) - - popl %esi - leave - ret - - - .align 2,144 -.globl _mul64_Xsig -_mul64_Xsig: - pushl %ebp - movl %esp,%ebp - subl $16,%esp - pushl %esi - - movl PARAM1,%esi - movl PARAM2,%ecx - - xor %eax,%eax - movl %eax,-4(%ebp) - movl %eax,-8(%ebp) - - movl (%esi),%eax /* lsl of Xsig */ - mull 4(%ecx) /* msl of b */ - movl %edx,-12(%ebp) - - movl 4(%esi),%eax /* midl of Xsig */ - mull (%ecx) /* lsl of b */ - addl %edx,-12(%ebp) - adcl $0,-8(%ebp) - adcl $0,-4(%ebp) - - movl 4(%esi),%eax /* midl of Xsig */ - mull 4(%ecx) /* msl of b */ - addl %eax,-12(%ebp) - adcl %edx,-8(%ebp) - adcl $0,-4(%ebp) - - movl 8(%esi),%eax /* msl of Xsig */ - mull (%ecx) /* lsl of b */ - addl %eax,-12(%ebp) - adcl %edx,-8(%ebp) - adcl $0,-4(%ebp) - - movl 8(%esi),%eax /* msl of Xsig */ - mull 4(%ecx) /* msl of b */ - addl %eax,-8(%ebp) - adcl %edx,-4(%ebp) - - movl -12(%ebp),%eax - movl %eax,(%esi) - movl -8(%ebp),%eax - movl %eax,4(%esi) - movl -4(%ebp),%eax - movl %eax,8(%esi) - - popl %esi - leave - ret - - - - .align 2,144 -.globl _mul_Xsig_Xsig -_mul_Xsig_Xsig: - pushl %ebp - movl %esp,%ebp - subl $16,%esp - pushl %esi - - movl PARAM1,%esi - movl PARAM2,%ecx - - xor %eax,%eax - movl %eax,-4(%ebp) - movl %eax,-8(%ebp) - - movl (%esi),%eax /* lsl of Xsig */ - mull 8(%ecx) /* msl of b */ - movl %edx,-12(%ebp) - - movl 4(%esi),%eax /* midl of Xsig */ - mull 4(%ecx) /* midl of b */ - addl %edx,-12(%ebp) - adcl $0,-8(%ebp) - adcl $0,-4(%ebp) - - movl 8(%esi),%eax /* msl of Xsig */ - mull (%ecx) /* lsl of b */ - addl %edx,-12(%ebp) - adcl $0,-8(%ebp) - adcl $0,-4(%ebp) - - movl 4(%esi),%eax /* midl of Xsig */ - mull 8(%ecx) /* msl of b */ - addl %eax,-12(%ebp) - adcl %edx,-8(%ebp) - adcl $0,-4(%ebp) - - movl 8(%esi),%eax /* msl of Xsig */ - mull 4(%ecx) /* midl of b */ - addl %eax,-12(%ebp) - adcl %edx,-8(%ebp) - adcl $0,-4(%ebp) - - movl 8(%esi),%eax /* msl of Xsig */ - mull 8(%ecx) /* msl of b */ - addl %eax,-8(%ebp) - adcl %edx,-4(%ebp) - - movl -12(%ebp),%edx - movl %edx,(%esi) - movl -8(%ebp),%edx - movl %edx,4(%esi) - movl -4(%ebp),%edx - movl %edx,8(%esi) - - popl %esi - leave - ret - |