[OE-core] [PATCH] gcc-4.8: backport fix for ICE when building opus
Richard Purdie
richard.purdie at linuxfoundation.org
Fri Jul 18 13:24:26 UTC 2014
On Fri, 2014-07-18 at 01:15 +0200, Martin Jansa wrote:
> From: Martin Jansa <martin.jansa at lge.com>
>
> * backported from 4.8.2, so daisy isn't affected
>
> Signed-off-by: Martin Jansa <martin.jansa at lge.com>
> ---
> meta/recipes-devtools/gcc/gcc-4.8.inc | 1 +
> .../gcc-4.8/0001-fix-ICE-when-building-opus.patch | 121 +++++++++++++++++++++
> 2 files changed, 122 insertions(+)
> create mode 100644 meta/recipes-devtools/gcc/gcc-4.8/0001-fix-ICE-when-building-opus.patch
Doesn't apply against master?
Cheers,
Richard
> diff --git a/meta/recipes-devtools/gcc/gcc-4.8.inc b/meta/recipes-devtools/gcc/gcc-4.8.inc
> index f1260af..ac205de 100644
> --- a/meta/recipes-devtools/gcc/gcc-4.8.inc
> +++ b/meta/recipes-devtools/gcc/gcc-4.8.inc
> @@ -79,6 +79,7 @@ SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \
> file://0047-repomembug.patch \
> file://0048-PR57532.patch \
> file://0048-PR58854_fix_arm_apcs_epilogue.patch \
> + file://0001-fix-ICE-when-building-opus.patch \
> "
> SRC_URI[md5sum] = "3b2386c114cd74185aa3754b58a79304"
> SRC_URI[sha256sum] = "545b44be3ad9f2c4e90e6880f5c9d4f0a8f0e5f67e1ffb0d45da9fa01bb05813"
> diff --git a/meta/recipes-devtools/gcc/gcc-4.8/0001-fix-ICE-when-building-opus.patch b/meta/recipes-devtools/gcc/gcc-4.8/0001-fix-ICE-when-building-opus.patch
> new file mode 100644
> index 0000000..9d3aeaa
> --- /dev/null
> +++ b/meta/recipes-devtools/gcc/gcc-4.8/0001-fix-ICE-when-building-opus.patch
> @@ -0,0 +1,121 @@
> +From 22228d8ba86c70381f7c34c22ac6994234d0f3e7 Mon Sep 17 00:00:00 2001
> +From: xguo <xguo at 138bc75d-0d04-0410-961f-82ee72b054a4>
> +Date: Fri, 9 Aug 2013 06:59:01 +0000
> +Subject: [PATCH] gcc/ChangeLog:
> +
> + Backport from mainline:
> + 2013-08-09 Zhenqiang Chen <zhenqiang.chen at linaro.org>
> +
> + * config/arm/neon.md (vcond): Fix floating-point vector
> + comparisons against 0.
> +
> +gcc/testsuite/ChangeLog:
> +
> + Backport from mainline:
> + 2013-08-09 Zhenqiang Chen <zhenqiang.chen at linaro.org>
> +
> + * gcc.target/arm/lp1189445.c: New testcase.
> +
> +Upstream-Status: Backport from 4.8.2
> +Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
> +
> +More details in:
> +http://gcc.1065356.n5.nabble.com/PATCH-ARM-Fix-unrecognizable-vector-comparisons-td947064.html
> +
> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@201620 138bc75d-0d04-0410-961f-82ee72b054a4
> +---
> + gcc/ChangeLog | 8 ++++++++
> + gcc/config/arm/neon.md | 34 +++++++++++++++++++++++++++-----
> + gcc/testsuite/ChangeLog | 7 +++++++
> + gcc/testsuite/gcc.target/arm/lp1189445.c | 18 +++++++++++++++++
> + 4 files changed, 62 insertions(+), 5 deletions(-)
> + create mode 100644 gcc/testsuite/gcc.target/arm/lp1189445.c
> +
> +diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
> +index d8d4202..86a5932 100644
> +--- a/gcc/config/arm/neon.md
> ++++ b/gcc/config/arm/neon.md
> +@@ -1732,6 +1732,7 @@
> + ? 3 : 1;
> + rtx magic_rtx = GEN_INT (magic_word);
> + int inverse = 0;
> ++ int use_zero_form = 0;
> + int swap_bsl_operands = 0;
> + rtx mask = gen_reg_rtx (<V_cmp_result>mode);
> + rtx tmp = gen_reg_rtx (<V_cmp_result>mode);
> +@@ -1742,12 +1743,16 @@
> + switch (GET_CODE (operands[3]))
> + {
> + case GE:
> ++ case GT:
> + case LE:
> ++ case LT:
> + case EQ:
> +- if (!REG_P (operands[5])
> +- && (operands[5] != CONST0_RTX (<MODE>mode)))
> +- operands[5] = force_reg (<MODE>mode, operands[5]);
> +- break;
> ++ if (operands[5] == CONST0_RTX (<MODE>mode))
> ++ {
> ++ use_zero_form = 1;
> ++ break;
> ++ }
> ++ /* Fall through. */
> + default:
> + if (!REG_P (operands[5]))
> + operands[5] = force_reg (<MODE>mode, operands[5]);
> +@@ -1798,7 +1803,26 @@
> + a GT b -> a GT b
> + a LE b -> b GE a
> + a LT b -> b GT a
> +- a EQ b -> a EQ b */
> ++ a EQ b -> a EQ b
> ++ Note that there also exist direct comparison against 0 forms,
> ++ so catch those as a special case. */
> ++ if (use_zero_form)
> ++ {
> ++ inverse = 0;
> ++ switch (GET_CODE (operands[3]))
> ++ {
> ++ case LT:
> ++ base_comparison = gen_neon_vclt<mode>;
> ++ break;
> ++ case LE:
> ++ base_comparison = gen_neon_vcle<mode>;
> ++ break;
> ++ default:
> ++ /* Do nothing, other zero form cases already have the correct
> ++ base_comparison. */
> ++ break;
> ++ }
> ++ }
> +
> + if (!inverse)
> + emit_insn (base_comparison (mask, operands[4], operands[5], magic_rtx));
> +diff --git a/gcc/testsuite/gcc.target/arm/lp1189445.c b/gcc/testsuite/gcc.target/arm/lp1189445.c
> +new file mode 100644
> +index 0000000..766748e
> +--- /dev/null
> ++++ b/gcc/testsuite/gcc.target/arm/lp1189445.c
> +@@ -0,0 +1,18 @@
> ++/* { dg-do compile } */
> ++/* { dg-require-effective-target arm_neon } */
> ++/* { dg-add-options arm_neon } */
> ++/* { dg-options "-O3" } */
> ++
> ++int id;
> ++int
> ++test (const long int *data)
> ++{
> ++ int i, retval;
> ++ retval = id;
> ++ for (i = 0; i < id; i++)
> ++ {
> ++ retval &= (data[i] <= 0);
> ++ }
> ++
> ++ return (retval);
> ++}
> +--
> +2.0.0
> +
> --
> 1.9.1
>
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