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comparison src/cpuinfo/SDL_cpuinfo.c @ 749:06cdd106d61c

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Updated Visual C++ support
author Sam Lantinga <slouken@libsdl.org>
date Mon, 24 Nov 2003 19:58:29 +0000
parents da36f59485da
children b8d311d90021
comparison
equal deleted inserted replaced
748:c1c09472dc7f 749:06cdd106d61c
57 : "=r" (has_CPUID) 57 : "=r" (has_CPUID)
58 : 58 :
59 : "%eax", "%ecx" 59 : "%eax", "%ecx"
60 ); 60 );
61 #elif defined(_MSC_VER) 61 #elif defined(_MSC_VER)
62 __asm__ { 62 __asm {
63 pushfd ; Get original EFLAGS 63 pushfd ; Get original EFLAGS
64 pop eax 64 pop eax
65 mov ecx, eax 65 mov ecx, eax
66 xor eax, 200000h ; Flip ID bit in EFLAGS 66 xor eax, 200000h ; Flip ID bit in EFLAGS
67 push eax ; Save new EFLAGS value on stack 67 push eax ; Save new EFLAGS value on stack
100 : "=r" (features) 100 : "=r" (features)
101 : 101 :
102 : "%eax", "%ebx", "%ecx", "%edx" 102 : "%eax", "%ebx", "%ecx", "%edx"
103 ); 103 );
104 #elif defined(_MSC_VER) 104 #elif defined(_MSC_VER)
105 __asm__ { 105 __asm {
106 xor eax, eax ; Set up for CPUID instruction 106 xor eax, eax ; Set up for CPUID instruction
107 cpuid ; Get and save vendor ID 107 cpuid ; Get and save vendor ID
108 cmp eax, 1 ; Make sure 1 is valid input for CPUID 108 cmp eax, 1 ; Make sure 1 is valid input for CPUID
109 jl done ; We dont have the CPUID instruction 109 jl done ; We dont have the CPUID instruction
110 xor eax, eax 110 xor eax, eax
160 : "=r" (has_3DNow) 160 : "=r" (has_3DNow)
161 : 161 :
162 : "%eax", "%ebx", "%ecx", "%edx" 162 : "%eax", "%ebx", "%ecx", "%edx"
163 ); 163 );
164 #elif defined(_MSC_VER) 164 #elif defined(_MSC_VER)
165 __asm__ { 165 __asm {
166 mov eax,80000000h ; Query for extended functions 166 mov eax,80000000h ; Query for extended functions
167 cpuid ; Get extended function limit 167 cpuid ; Get extended function limit
168 cmp eax,80000001h 168 cmp eax,80000001h
169 jbe done ; Nope, we dont have function 800000001h 169 jbe done ; Nope, we dont have function 800000001h
170 mov eax,80000001h ; Setup extended function 800000001h 170 mov eax,80000001h ; Setup extended function 800000001h