dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2024-11-19 20:08:28 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Remove medium/large code model-specific inline asm

Browse Source 
Initially added to workaround gcc implementation issues that clang
does not have. (gcc hardcodes rbx as the PIC register, clang uses a
virtual register)

Change-Id: I1a3277abf02b1ff437b4aea4d28f4cb1c0176b80
This commit is contained in:
Arthur Eubanks 2023-10-24 09:48:12 +02:00 committed by Yannis Guyon
parent deadc339d5
commit 307071f144
1 changed files with 0 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/dsp/cpu.c
View File

@ -36,18 +36,6 @@ static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) {
: "=a"(cpu_info[0]), "=D"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3])
: "a"(info_type), "c"(0));
}
#elif defined(__x86_64__) && \
(defined(__code_model_medium__) || defined(__code_model_large__)) && \
defined(__PIC__)
static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) {
__asm__ volatile (
"xchg{q}\t{%%rbx}, %q1\n"
"cpuid\n"
"xchg{q}\t{%%rbx}, %q1\n"
: "=a"(cpu_info[0]), "=&r"(cpu_info[1]), "=c"(cpu_info[2]),
"=d"(cpu_info[3])
: "a"(info_type), "c"(0));
}
#elif defined(__i386__) || defined(__x86_64__)
static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) {
__asm__ volatile (