File: ms_fmul.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (21 lines) | stat: -rw-r--r-- 837 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// REQUIRES: x86-registered-target

// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fasm-blocks -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple i386-unknown-unknown -fasm-blocks -emit-llvm %s -o - | FileCheck %s

// This test is designed to check if we use the mem size info for parsing MS
// InlineAsm which use a global variable and one/two registers in a memory
// expression. If we not use this mem size info, there will be error of
// ambiguous operand size for some instructions. (e.g. 'fmul')
__attribute__((aligned (16)))
static const unsigned int static_const_table[] = { 0x00800000, };


void __attribute__ ((naked)) foo(void)
{__asm{
    fmul qword ptr [static_const_table + 0x00f0 +edx]
    ret
}}

// CHECK-LABEL: foo
// CHECK: call void asm sideeffect inteldialect "fmul qword ptr $0[edx + $$240]\0A\09ret"