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valid inline asm rejected #1205

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lattner opened this issue Jul 18, 2006 · 3 comments
Closed

valid inline asm rejected #1205

lattner opened this issue Jul 18, 2006 · 3 comments
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bugzilla Issues migrated from bugzilla compile-fail Use [accepts-invalid] and [rejects-valid] instead llvm-tools All llvm tools that do not have corresponding tag

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lattner commented Jul 18, 2006

Bugzilla Link 833
Resolution FIXED
Resolved on Apr 01, 2019 13:42
Version 1.7
OS All
CC @yuanfang-chen

Extended Description

This:

int G;
int foo(int X) {
asm volatile ("xchg{l} {%0,%1|%1,%0}"
: "=m" (G), "+r" (X) : "m" (G));
return X;
}

Is rejected with:

asm.c:4: error: Invalid or unsupported inline assembly!

-Chris
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lattner commented Jul 18, 2006

assigned to @lattner

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lattner commented Jul 20, 2006

Patch applied to llvm-gcc, but now it crashes in the code generator.

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lattner commented Jul 20, 2006

Fixed. Patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20060717/036098.html

Testcase here: CodeGen/X86/2006-07-20-InlineAsm.ll

-Chris

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 3, 2021
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bugzilla Issues migrated from bugzilla compile-fail Use [accepts-invalid] and [rejects-valid] instead llvm-tools All llvm tools that do not have corresponding tag
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