xref: /aosp_15_r20/external/clang/test/CodeGen/x86_32-inline-asm.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -triple i386-apple-darwin9 -verify %s
2*67e74705SXin Li // RUN: %clang_cc1 -triple i386-apple-darwin9 -target-feature +avx -verify %s
3*67e74705SXin Li 
4*67e74705SXin Li // <rdar://problem/12415959>
5*67e74705SXin Li // rdar://problem/11846140
6*67e74705SXin Li // rdar://problem/17476970
7*67e74705SXin Li 
8*67e74705SXin Li typedef unsigned int u_int32_t;
9*67e74705SXin Li typedef u_int32_t uint32_t;
10*67e74705SXin Li 
11*67e74705SXin Li typedef unsigned long long u_int64_t;
12*67e74705SXin Li typedef u_int64_t uint64_t;
13*67e74705SXin Li 
14*67e74705SXin Li typedef float __m128 __attribute__ ((vector_size (16)));
15*67e74705SXin Li typedef float __m256 __attribute__ ((vector_size (32)));
16*67e74705SXin Li typedef float __m512 __attribute__ ((vector_size (64)));
17*67e74705SXin Li 
18*67e74705SXin Li __m128 val128;
19*67e74705SXin Li __m256 val256;
20*67e74705SXin Li __m512 val512;
21*67e74705SXin Li 
func1()22*67e74705SXin Li int func1() {
23*67e74705SXin Li   // Error out if size is > 32-bits.
24*67e74705SXin Li   uint32_t msr = 0x8b;
25*67e74705SXin Li   uint64_t val = 0;
26*67e74705SXin Li   __asm__ volatile("wrmsr"
27*67e74705SXin Li                    :
28*67e74705SXin Li                    : "c" (msr),
29*67e74705SXin Li                      "a" ((val & 0xFFFFFFFFUL)), // expected-error {{invalid input size for constraint 'a'}}
30*67e74705SXin Li                      "d" (((val >> 32) & 0xFFFFFFFFUL)));
31*67e74705SXin Li 
32*67e74705SXin Li   // Don't error out if the size of the destination is <= 32 bits.
33*67e74705SXin Li   unsigned char data;
34*67e74705SXin Li   unsigned int port;
35*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "a" (data), "Nd" (port)); // No error expected.
36*67e74705SXin Li 
37*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "R" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'R'}}
38*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "q" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'q'}}
39*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "Q" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'Q'}}
40*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "b" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'b'}}
41*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "c" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'c'}}
42*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "d" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'd'}}
43*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "S" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'S'}}
44*67e74705SXin Li   __asm__ volatile("outb %0, %w1" : : "D" (val), "Nd" (port)); // expected-error {{invalid input size for constraint 'D'}}
45*67e74705SXin Li   __asm__ volatile("foo1 %0" : : "A" (val128)); // expected-error {{invalid input size for constraint 'A'}}
46*67e74705SXin Li   __asm__ volatile("foo1 %0" : : "f" (val256)); // expected-error {{invalid input size for constraint 'f'}}
47*67e74705SXin Li   __asm__ volatile("foo1 %0" : : "t" (val256)); // expected-error {{invalid input size for constraint 't'}}
48*67e74705SXin Li   __asm__ volatile("foo1 %0" : : "u" (val256)); // expected-error {{invalid input size for constraint 'u'}}
49*67e74705SXin Li   __asm__ volatile("foo1 %0" : : "x" (val512)); // expected-error {{invalid input size for constraint 'x'}}
50*67e74705SXin Li 
51*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=R" (val)); // expected-error {{invalid output size for constraint '=R'}}
52*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=q" (val)); // expected-error {{invalid output size for constraint '=q'}}
53*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=Q" (val)); // expected-error {{invalid output size for constraint '=Q'}}
54*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=a" (val)); // expected-error {{invalid output size for constraint '=a'}}
55*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=b" (val)); // expected-error {{invalid output size for constraint '=b'}}
56*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=c" (val)); // expected-error {{invalid output size for constraint '=c'}}
57*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=d" (val)); // expected-error {{invalid output size for constraint '=d'}}
58*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=S" (val)); // expected-error {{invalid output size for constraint '=S'}}
59*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=D" (val)); // expected-error {{invalid output size for constraint '=D'}}
60*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=A" (val128)); // expected-error {{invalid output size for constraint '=A'}}
61*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=t" (val256)); // expected-error {{invalid output size for constraint '=t'}}
62*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=u" (val256)); // expected-error {{invalid output size for constraint '=u'}}
63*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=x" (val512)); // expected-error {{invalid output size for constraint '=x'}}
64*67e74705SXin Li 
65*67e74705SXin Li #ifdef __AVX__
66*67e74705SXin Li   __asm__ volatile("foo1 %0" : : "x" (val256)); // No error.
67*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=x" (val256));  // No error.
68*67e74705SXin Li #else
69*67e74705SXin Li   __asm__ volatile("foo1 %0" : : "x" (val256)); // expected-error {{invalid input size for constraint 'x'}}
70*67e74705SXin Li   __asm__ volatile("foo1 %0" : "=x" (val256)); // expected-error {{invalid output size for constraint '=x'}}
71*67e74705SXin Li #endif
72*67e74705SXin Li }
73