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Incorrect assembly in .macro #21874

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llvmbot opened this issue Nov 6, 2014 · 1 comment
Closed

Incorrect assembly in .macro #21874

llvmbot opened this issue Nov 6, 2014 · 1 comment
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@llvmbot
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llvmbot commented Nov 6, 2014

Bugzilla Link 21500
Resolution FIXED
Resolved on Nov 07, 2014 19:43
Version 3.4
OS FreeBSD
Reporter LLVM Bugzilla Contributor
CC @DimitryAndric

Extended Description

$ cat z.S
#define FOO 15
.macro bar
andl $FOO, %eax
.endm
bar
$ cc -c z.S
$ objdump -d z.o

z.o: file format elf64-x86-64-freebsd

Disassembly of section .text:

0000000000000000 <.text>:
0: 23 04 25 05 00 00 00 and 0x5,%eax

Note "0x5" not the expected "0xf".

$ cc -v
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
Target: x86_64-unknown-freebsd10.1
Thread model: posix
Selected GCC installation:
@DimitryAndric
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This is fixed in trunk r201784, which is not in clang 3.4.1. Since the fix is fairly simple, I will import this revision into FreeBSD.

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 9, 2021
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@DimitryAndric @llvmbot