<html>
<head>
<base href="https://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - __attribute__ ((interrupt)) uses xmm31 with -march=nehalem"
href="https://llvm.org/bugs/show_bug.cgi?id=26409">26409</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>__attribute__ ((interrupt)) uses xmm31 with -march=nehalem
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hjl.tools@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>kevin.b.smith@intel.com, llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>hjl@gnu-6 interrupt-8]$ cat x.i
extern void subroutine1(void);
__attribute__ ((interrupt))
void ih(void * frame)
{
subroutine1();
}
[hjl@gnu-6 interrupt-8]$ make
/export/build/gnu/llvm-clang-bootstrap/stage1/build-x86_64-linux/bin/clang -O2
-Wall -march=nehalem -S -o x.s x.i
grep xmm x.s
movaps %xmm31, 368(%rsp) # 16-byte Spill
movaps %xmm30, 352(%rsp) # 16-byte Spill
movaps %xmm29, 336(%rsp) # 16-byte Spill
movaps %xmm28, 320(%rsp) # 16-byte Spill
movaps %xmm27, 304(%rsp) # 16-byte Spill
movaps %xmm26, 288(%rsp) # 16-byte Spill
movaps %xmm25, 272(%rsp) # 16-byte Spill
movaps %xmm24, 256(%rsp) # 16-byte Spill
movaps %xmm23, 240(%rsp) # 16-byte Spill
movaps %xmm22, 224(%rsp) # 16-byte Spill
movaps %xmm21, 208(%rsp) # 16-byte Spill
movaps %xmm20, 192(%rsp) # 16-byte Spill
movaps %xmm19, 176(%rsp) # 16-byte Spill
movaps %xmm18, 160(%rsp) # 16-byte Spill
movaps %xmm17, 144(%rsp) # 16-byte Spill
movaps %xmm16, 128(%rsp) # 16-byte Spill
movaps %xmm15, 112(%rsp) # 16-byte Spill
movaps %xmm14, 96(%rsp) # 16-byte Spill
movaps %xmm13, 80(%rsp) # 16-byte Spill
movaps %xmm12, 64(%rsp) # 16-byte Spill
movaps %xmm11, 48(%rsp) # 16-byte Spill
movaps %xmm10, 32(%rsp) # 16-byte Spill
movaps %xmm9, 16(%rsp) # 16-byte Spill
movaps %xmm8, (%rsp) # 16-byte Spill
movaps %xmm7, -16(%rsp) # 16-byte Spill
movaps %xmm6, -32(%rsp) # 16-byte Spill
movaps %xmm5, -48(%rsp) # 16-byte Spill
movaps %xmm4, -64(%rsp) # 16-byte Spill
movaps %xmm3, -80(%rsp) # 16-byte Spill
movaps %xmm2, -96(%rsp) # 16-byte Spill
movaps %xmm1, -112(%rsp) # 16-byte Spill
movaps %xmm0, -128(%rsp) # 16-byte Spill
.cfi_offset %xmm0, -608
.cfi_offset %xmm1, -592
.cfi_offset %xmm2, -576
.cfi_offset %xmm3, -560
.cfi_offset %xmm4, -544
.cfi_offset %xmm5, -528
.cfi_offset %xmm6, -512
.cfi_offset %xmm7, -496
.cfi_offset %xmm8, -480
.cfi_offset %xmm9, -464
.cfi_offset %xmm10, -448
.cfi_offset %xmm11, -432
.cfi_offset %xmm12, -416
.cfi_offset %xmm13, -400
.cfi_offset %xmm14, -384
.cfi_offset %xmm15, -368
.cfi_offset %xmm16, -352
.cfi_offset %xmm17, -336
.cfi_offset %xmm18, -320
.cfi_offset %xmm19, -304
.cfi_offset %xmm20, -288
.cfi_offset %xmm21, -272
.cfi_offset %xmm22, -256
.cfi_offset %xmm23, -240
.cfi_offset %xmm24, -224
.cfi_offset %xmm25, -208
.cfi_offset %xmm26, -192
.cfi_offset %xmm27, -176
.cfi_offset %xmm28, -160
.cfi_offset %xmm29, -144
.cfi_offset %xmm30, -128
.cfi_offset %xmm31, -112
movaps -128(%rsp), %xmm0 # 16-byte Reload
movaps -112(%rsp), %xmm1 # 16-byte Reload
movaps -96(%rsp), %xmm2 # 16-byte Reload
movaps -80(%rsp), %xmm3 # 16-byte Reload
movaps -64(%rsp), %xmm4 # 16-byte Reload
movaps -48(%rsp), %xmm5 # 16-byte Reload
movaps -32(%rsp), %xmm6 # 16-byte Reload
movaps -16(%rsp), %xmm7 # 16-byte Reload
movaps (%rsp), %xmm8 # 16-byte Reload
movaps 16(%rsp), %xmm9 # 16-byte Reload
movaps 32(%rsp), %xmm10 # 16-byte Reload
movaps 48(%rsp), %xmm11 # 16-byte Reload
movaps 64(%rsp), %xmm12 # 16-byte Reload
movaps 80(%rsp), %xmm13 # 16-byte Reload
movaps 96(%rsp), %xmm14 # 16-byte Reload
movaps 112(%rsp), %xmm15 # 16-byte Reload
movaps 128(%rsp), %xmm16 # 16-byte Reload
movaps 144(%rsp), %xmm17 # 16-byte Reload
movaps 160(%rsp), %xmm18 # 16-byte Reload
movaps 176(%rsp), %xmm19 # 16-byte Reload
movaps 192(%rsp), %xmm20 # 16-byte Reload
movaps 208(%rsp), %xmm21 # 16-byte Reload
movaps 224(%rsp), %xmm22 # 16-byte Reload
movaps 240(%rsp), %xmm23 # 16-byte Reload
movaps 256(%rsp), %xmm24 # 16-byte Reload
movaps 272(%rsp), %xmm25 # 16-byte Reload
movaps 288(%rsp), %xmm26 # 16-byte Reload
movaps 304(%rsp), %xmm27 # 16-byte Reload
movaps 320(%rsp), %xmm28 # 16-byte Reload
movaps 336(%rsp), %xmm29 # 16-byte Reload
movaps 352(%rsp), %xmm30 # 16-byte Reload
movaps 368(%rsp), %xmm31 # 16-byte Reload
[hjl@gnu-6 interrupt-8]$
Nehalem doesn't have xmm16-xmm31 and movaps can't be use with xmm16-xmm31.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>