Attachment 137473 Details for Bug 105052 – 0001-intel-ir-Fix-invalid-type-aliasing-with-undefined-be.patch

[patch] 0001-intel-ir-Fix-invalid-type-aliasing-with-undefined-be.patch

0001-intel-ir-Fix-invalid-type-aliasing-with-undefined-be.patch (text/plain), 1.10 KB, created by Francisco Jerez on 2018-02-20 18:38:51 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Francisco Jerez

Created: 2018-02-20 18:38:51 UTC

Size: 1.10 KB

patch

obsolete

>From 4f1ac3ebd8b6d5fd21e2ae3c9599c89a3a8e2261 Mon Sep 17 00:00:00 2001
>From: Francisco Jerez <currojerez@riseup.net>
>Date: Fri, 26 Jan 2018 11:48:02 -0800
>Subject: [PATCH] intel/ir: Fix invalid type aliasing with undefined behavior
> in test_eu_compact.
>
>---
> src/intel/compiler/test_eu_compact.cpp | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/src/intel/compiler/test_eu_compact.cpp b/src/intel/compiler/test_eu_compact.cpp
>index 1532e3b9840..f6924abd368 100644
>--- a/src/intel/compiler/test_eu_compact.cpp
>+++ b/src/intel/compiler/test_eu_compact.cpp
>@@ -149,13 +149,13 @@ test_fuzz_compact_instruction(struct brw_codegen *p, brw_inst src)
> 
>       for (int bit1 = 0; bit1 < 128; bit1++) {
>          brw_inst instr = src;
>-	 uint32_t *bits = (uint32_t *)&instr;
>+	 uint64_t *bits = instr.data;
> 
>          if (skip_bit(p->devinfo, &src, bit1))
> 	    continue;
> 
>-	 bits[bit0 / 32] ^= (1 << (bit0 & 31));
>-	 bits[bit1 / 32] ^= (1 << (bit1 & 31));
>+	 bits[bit0 / 64] ^= (1ull << (bit0 & 63));
>+	 bits[bit1 / 64] ^= (1ull << (bit1 & 63));
> 
>          clear_pad_bits(p->devinfo, &instr);
> 
>-- 
>2.16.1
>

Actions: View | Splinter Review

Attachments on bug 105052: 137473

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.