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Remove medium/large code model-specific inline asm

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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
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12
src/dsp/cpu.c
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@ -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"(cpu_info[0]), "=D"(cpu_info[1]), "=c"(cpu_info[2]), "=d"(cpu_info[3])
: "a"(info_type), "c"(0)); : "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__) #elif defined(__i386__) || defined(__x86_64__)
static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) { static WEBP_INLINE void GetCPUInfo(int cpu_info[4], int info_type) {
__asm__ volatile ( __asm__ volatile (