| /* |
| * arch/i386/libgcc/__muldi3.S |
| * |
| * 64*64 = 64 bit unsigned multiplication |
| */ |
| |
| .text |
| .align 4 |
| .globl __muldi3 |
| .type __muldi3,@function |
| __muldi3: |
| #if __SIZEOF_POINTER__ == 4 |
| /* i386 */ |
| push %esi |
| #ifndef REGPARM |
| movl 8(%esp),%eax |
| movl %eax,%esi |
| movl 16(%esp),%ecx |
| mull %ecx |
| imull 12(%esp),%ecx |
| imull 20(%esp),%esi |
| addl %ecx,%edx |
| addl %esi,%edx |
| #else |
| movl %eax,%esi |
| push %edx |
| mull %ecx |
| imull 8(%esp),%esi |
| addl %esi,%edx |
| pop %esi |
| imull %esi,%ecx |
| addl %ecx,%edx |
| #endif |
| pop %esi |
| ret |
| #elif __SIZEOF_POINTER__ == 8 |
| /* x86_64 */ |
| push %rsi |
| #ifndef REGPARM |
| /* |
| movl 8(%esp),%eax |
| movl %eax,%esi |
| movl 16(%esp),%ecx |
| mull %ecx |
| imull 12(%esp),%ecx |
| imull 20(%esp),%esi |
| addl %ecx,%edx |
| addl %esi,%edx |
| */ |
| movq 8(%rsp),%rax |
| movq %rax,%rsi |
| movq 16(%rsp),%rcx |
| mulq %rcx |
| imulq 12(%rsp),%rcx |
| imulq 20(%rsp),%rsi |
| addq %rcx,%rdx |
| addq %rsi,%rdx |
| #else |
| /* |
| movl %eax,%esi |
| push %edx |
| mull %ecx |
| imull 8(%esp),%esi |
| addl %esi,%edx |
| pop %rsi |
| imull %esi,%ecx |
| addl %ecx,%edx |
| */ |
| movq %rax,%rsi |
| pushq %rdx |
| mulq %rcx |
| imulq 8(%rsp),%rsi |
| addq %rsi,%rdx |
| popq %rsi |
| imulq %rsi,%rcx |
| addq %rcx,%rdx |
| #endif |
| pop %rsi |
| ret |
| #else |
| #error "Unsupported architecture for __muldi3.S" |
| #endif |
| .size __muldi3,.-__muldi3 |
