https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95818
--- Comment #2 from Ferruh YIGIT <ferruh.yigit at intel dot com> ---
.i output [1] and .s output [2] below, please let me know if the request was
something else.
[1]
int
iavf_dev_link_update(struct rte_eth_dev *dev,
__attribute__((__unused__)) int wait_to_complete)
{
struct rte_eth_link new_link;
struct iavf_info *vf = (&((struct iavf_adapter *)dev->data->dev_private)->vf);
switch (vf->link_speed) {
case 10:
new_link.link_speed = 10;
break;
case 100:
new_link.link_speed = 100;
break;
case 1000:
new_link.link_speed = 1000;
break;
case 10000:
new_link.link_speed = 10000;
break;
case 20000:
new_link.link_speed = 20000;
break;
case 25000:
new_link.link_speed = 25000;
break;
case 40000:
new_link.link_speed = 40000;
break;
case 50000:
new_link.link_speed = 50000;
break;
case 100000:
new_link.link_speed = 100000;
break;
default:
new_link.link_speed = 0;
break;
}
new_link.link_duplex = 1;
new_link.link_status = vf->link_up ? 1 :
0;
new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
(1 << 0));
if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
*(uint64_t *)&dev->data->dev_link,
*(uint64_t *)&new_link) == 0)
return -1;
return 0;
}
[2]
.globl iavf_dev_link_update
.type iavf_dev_link_update, @function iavf_dev_link_update:
.LFB6034:
.cfi_startproc
movq 24(%rdi), %rcx
movq 96(%rcx), %rsi
movl 476(%rsi), %edx
cmpl $20000, %edx
je .L5
jbe .L28
cmpl $50000, %edx
je .L5
jbe .L29
cmpl $100000, %edx
movl $0, %eax
cmovne %rax, %rdx
.L5:
movl 112(%rcx), %eax
movzbl 473(%rsi), %esi
notl %eax
andl $1, %eax
sall $2, %esi
leal 1(%rax,%rax), %eax
orl %esi, %eax
andl $7, %eax
salq $32, %rax
orq %rax, %rdx
movq 104(%rcx), %rax
#APP
# 33 "/root/development/dpdk-next-net/build/include/rte_atomic_64.h" 1
lock ; cmpxchgq %rdx, 104(%rcx);sete %al;
# 0 "" 2
#NO_APP
cmpb $1, %al
sbbl %eax, %eax
ret
.p2align 4,,10
.p2align 3
.L29:
cmpl $25000, %edx
je .L5
cmpl $40000, %edx
je .L5
.L11:
xorl %edx, %edx
jmp .L5
.p2align 4,,10
.p2align 3
.L28:
cmpl $1000, %edx
je .L5
jbe .L30
cmpl $10000, %edx
movl $0, %eax
cmovne %rax, %rdx
jmp .L5
.p2align 4,,10
.p2align 3
.L30:
cmpl $10, %edx
je .L5
cmpl $100, %edx
je .L5
jmp .L11
.cfi_endproc
.LFE6034:
.size iavf_dev_link_update, .-iavf_dev_link_update
.p2align 4
