On 9/19/19 8:07 PM, Muminul Islam wrote:
> Signed-off-by: Muminul Islam <muis...@microsoft.com>
> ---
> meta/recipes-devtools/gcc/gcc-8.2.inc | 3 +
> .../gcc/gcc-8.2/CVE-2019-15847_p1.patch | 223 ++++++++++++++++++
> .../gcc/gcc-8.2/CVE-2019-15847_p2.patch | 47 ++++
> .../gcc/gcc-8.2/CVE-2019-15847_p3.patch | 38 +++
> 4 files changed, 311 insertions(+)
> create mode 100644 meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p1.patch
> create mode 100644 meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p2.patch
> create mode 100644 meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p3.patch
This patch finally got into a build as it needed to be in master and
warrior first.
i am seeing this error. Can you confirm I have the correct patch. I
believe its released to th p1 patch.
| g++
-isystem/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/usr/include
-O2 -pipe -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -DHAVE_CONFIG_H -DGENERATOR_FILE -fno-PIE
-static-libstdc++ -static-libgcc
-L/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/usr/lib
-L/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/lib
-Wl,-rpath-link,/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/usr/lib
-Wl,-rpath-link,/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/lib
-Wl,-rpath,/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/usr/lib
-Wl,-rpath,/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/lib
-Wl,-O1 -no-pie -o build/genenums \
| build/genenums.o build/read-md.o build/errors.o
../build-x86_64-linux/libiberty/libiberty.a
| build/genmddeps
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/common.md
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/config/rs6000/rs6000.md
> tmp-mddeps
| /bin/bash
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/../move-if-change
tmp-mddeps mddeps.mk
| echo timestamp > s-mddeps
| build/genconstants
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/common.md
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/config/rs6000/rs6000.md
\
| > tmp-constants.h
| /bin/bash
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/../move-if-change
tmp-constants.h insn-constants.h
| echo timestamp > s-constants
| build/genenums
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/common.md
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/config/rs6000/rs6000.md
\
| > tmp-enums.c
| /bin/bash
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/../move-if-change
tmp-enums.c insn-enums.c
| echo timestamp > s-enums
| g++ -c
-isystem/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/usr/include
-O2 -pipe -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute
-Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -DHAVE_CONFIG_H -DGENERATOR_FILE -fno-PIE -I.
-Ibuild -I../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc
-I../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/build
-I../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/../include
-I../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/../libcpp/include
-isystem/home/akuster/oss/maint/openembedded-core/build/tmp-glibc/work/x86_64-linux/gcc-cross-initial-powerpc/8.2.0-r0/recipe-sysroot-native/usr/include
\
| -o build/gencheck.o
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/gencheck.c
| /bin/bash
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/../move-if-change
tmp-gtype.state gtype.state
| build/gengtype \
| -r gtype.state
| In file included from ./tm.h:23:0,
| from
../../../../../../../work-shared/gcc-8.2.0-r0/gcc-8.2.0/gcc/gencheck.c:23:
| ./insn-constants.h:377:3: error: expected identifier before numeric
constant
| 75 = 320,
| ^
| ./insn-constants.h:377:3: error: expected ‘}’ before numeric constant
| ./insn-constants.h:377:3: error: expected unqualified-id before
numeric constant
| ./insn-constants.h:404:1: error: expected declaration before ‘}’ token
| };
| ^
| Makefile:2671: recipe for target 'build/gencheck.o' failed
| make[1]: *** [build/gencheck.o] Error 1
| make[1]: *** Waiting for unfinished jobs....
| echo timestamp > s-gtype
- armin
>
> diff --git a/meta/recipes-devtools/gcc/gcc-8.2.inc
> b/meta/recipes-devtools/gcc/gcc-8.2.inc
> index 866a77558b..65fd29d943 100644
> --- a/meta/recipes-devtools/gcc/gcc-8.2.inc
> +++ b/meta/recipes-devtools/gcc/gcc-8.2.inc
> @@ -70,6 +70,9 @@ SRC_URI = "\
> file://0039-Fix-for-testsuite-failure.patch \
> file://0040-Re-introduce-spe-commandline-options.patch \
> file://0041-ARC-fix-spec-gen.patch \
> + file://CVE-2019-15847_p1.patch \
> + file://CVE-2019-15847_p2.patch \
> + file://CVE-2019-15847_p3.patch \
> ${BACKPORTS} \
> "
> BACKPORTS = "\
> diff --git a/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p1.patch
> b/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p1.patch
> new file mode 100644
> index 0000000000..6e73564266
> --- /dev/null
> +++ b/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p1.patch
> @@ -0,0 +1,223 @@
> +From eebe740f9142ee15bd997c480df0e1f61ac6ffd1 Mon Sep 17 00:00:00 2001
> +From: segher <segher@138bc75d-0d04-0410-961f-82ee72b054a4>
> +Date: Fri, 30 Aug 2019 14:15:39 +0000
> +Subject: [PATCH] Backport from trunk 2019-08-22 Segher Boessenkool
> + <seg...@kernel.crashing.org>
> +Reply-To: muis...@microsoft.com
> +
> + PR target/91481
> + * config/rs6000/rs6000.md (unspec): Delete UNSPEC_DARN, UNSPEC_DARN_32,
> + and UNSPEC_DARN_RAW.
> + (unspecv): New enumerator values UNSPECV_DARN, UNSPECV_DARN_32, and
> + UNSPECV_DARN_RAW.
> + (darn_32): Use an unspec_volatile, and UNSPECV_DARN_32.
> + (darn_raw): Use an unspec_volatile, and UNSPECV_DARN_RAW.
> + (darn): Use an unspec_volatile, and UNSPECV_DARN.
> +
> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-8-branch@275181
> 138bc75d-0d04-0410-961f-82ee72b054a4
> +Signed-off-by: Muminul Islam <muis...@microsoft.com>
> +
> +CVE: CVE-2019-15847
> +
> +Upstream-Status: Backport
> +---
> + gcc/config/rs6000/rs6000.md | 169 ++++++++++++++++++++++++++++++++++++
> + 1 file changed, 169 insertions(+)
> +
> +diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
> +index 60058814b8a..f540b033541 100644
> +--- a/gcc/config/rs6000/rs6000.md
> ++++ b/gcc/config/rs6000/rs6000.md
> +@@ -136,6 +136,9 @@
> + UNSPEC_LSQ
> + UNSPEC_FUSION_GPR
> + UNSPEC_STACK_CHECK
> ++ UNSPEC_CMPRB
> ++ UNSPEC_CMPRB2
> ++ UNSPEC_CMPEQB
> + UNSPEC_FUSION_P9
> + UNSPEC_FUSION_ADDIS
> + UNSPEC_ADD_ROUND_TO_ODD
> +@@ -162,6 +165,9 @@
> + UNSPECV_EH_RR ; eh_reg_restore
> + UNSPECV_ISYNC ; isync instruction
> + UNSPECV_MFTB ; move from time base
> ++ UNSPECV_DARN ; darn 1 (deliver a random number)
> ++ UNSPECV_DARN_32 ; darn 2
> ++ UNSPECV_DARN_RAW ; darn 0
> + UNSPECV_NLGR ; non-local goto receiver
> + UNSPECV_MFFS ; Move from FPSCR
> + UNSPECV_MTFSF ; Move to FPSCR Fields
> +@@ -14602,6 +14608,169 @@
> + "xscmpuqp %0,%1,%2"
> + [(set_attr "type" "veccmp")
> + (set_attr "size" "128")])
> ++
> ++;; Miscellaneous ISA 3.0 (power9) instructions
> ++
> ++(define_insn "darn_32"
> ++ [(set (match_operand:SI 0 "register_operand" "=r")
> ++ (unspec_volatile:SI [(const_int 0)] UNSPECV_DARN_32))]
> ++ "TARGET_P9_MISC"
> ++ "darn %0,0"
> ++ [(set_attr "type" "integer")])
> ++
> ++(define_insn "darn_raw"
> ++ [(set (match_operand:DI 0 "register_operand" "=r")
> ++ (unspec_volatile:DI [(const_int 0)] UNSPECV_DARN_RAW))]
> ++ "TARGET_P9_MISC && TARGET_64BIT"
> ++ "darn %0,2"
> ++ [(set_attr "type" "integer")])
> ++
> ++(define_insn "darn"
> ++ [(set (match_operand:DI 0 "register_operand" "=r")
> ++ (unspec_volatile:DI [(const_int 0)] UNSPECV_DARN))]
> ++ "TARGET_P9_MISC && TARGET_64BIT"
> ++ "darn %0,1"
> ++ [(set_attr "type" "integer")])
> ++
> ++;; Test byte within range.
> ++;;
> ++;; The bytes of operand 1 are organized as xx:xx:xx:vv, where xx
> ++;; represents a byte whose value is ignored in this context and
> ++;; vv, the least significant byte, holds the byte value that is to
> ++;; be tested for membership within the range specified by operand 2.
> ++;; The bytes of operand 2 are organized as xx:xx:hi:lo.
> ++;;
> ++;; Return in target register operand 0 a value of 1 if lo <= vv and
> ++;; vv <= hi. Otherwise, set register operand 0 to 0.
> ++;;
> ++;; Though the instructions to which this expansion maps operate on
> ++;; 64-bit registers, the current implementation only operates on
> ++;; SI-mode operands as the high-order bits provide no information
> ++;; that is not already available in the low-order bits. To avoid the
> ++;; costs of data widening operations, future enhancements might allow
> ++;; DI mode for operand 0 and/or might allow operand 1 to be QI mode.
> ++(define_expand "cmprb"
> ++ [(set (match_dup 3)
> ++ (unspec:CC [(match_operand:SI 1 "gpc_reg_operand" "r")
> ++ (match_operand:SI 2 "gpc_reg_operand" "r")]
> ++ UNSPEC_CMPRB))
> ++ (set (match_operand:SI 0 "gpc_reg_operand" "=r")
> ++ (if_then_else:SI (lt (match_dup 3)
> ++ (const_int 0))
> ++ (const_int -1)
> ++ (if_then_else (gt (match_dup 3)
> ++ (const_int 0))
> ++ (const_int 1)
> ++ (const_int 0))))]
> ++ "TARGET_P9_MISC"
> ++{
> ++ operands[3] = gen_reg_rtx (CCmode);
> ++})
> ++
> ++;; The bytes of operand 1 are organized as xx:xx:xx:vv, where xx
> ++;; represents a byte whose value is ignored in this context and
> ++;; vv, the least significant byte, holds the byte value that is to
> ++;; be tested for membership within the range specified by operand 2.
> ++;; The bytes of operand 2 are organized as xx:xx:hi:lo.
> ++;;
> ++;; Set bit 1 (the GT bit, 0x4) of CR register operand 0 to 1 if
> ++;; lo <= vv and vv <= hi. Otherwise, set the GT bit to 0. The other
> ++;; 3 bits of the target CR register are all set to 0.
> ++(define_insn "*cmprb_internal"
> ++ [(set (match_operand:CC 0 "cc_reg_operand" "=y")
> ++ (unspec:CC [(match_operand:SI 1 "gpc_reg_operand" "r")
> ++ (match_operand:SI 2 "gpc_reg_operand" "r")]
> ++ UNSPEC_CMPRB))]
> ++ "TARGET_P9_MISC"
> ++ "cmprb %0,0,%1,%2"
> ++ [(set_attr "type" "logical")])
> ++
> ++;; Set operand 0 register to -1 if the LT bit (0x8) of condition
> ++;; register operand 1 is on. Otherwise, set operand 0 register to 1
> ++;; if the GT bit (0x4) of condition register operand 1 is on.
> ++;; Otherwise, set operand 0 to 0. Note that the result stored into
> ++;; register operand 0 is non-zero iff either the LT or GT bits are on
> ++;; within condition register operand 1.
> ++(define_insn "setb_signed"
> ++ [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
> ++ (if_then_else:SI (lt (match_operand:CC 1 "cc_reg_operand" "y")
> ++ (const_int 0))
> ++ (const_int -1)
> ++ (if_then_else (gt (match_dup 1)
> ++ (const_int 0))
> ++ (const_int 1)
> ++ (const_int 0))))]
> ++ "TARGET_P9_MISC"
> ++ "setb %0,%1"
> ++ [(set_attr "type" "logical")])
> ++
> ++(define_insn "setb_unsigned"
> ++ [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
> ++ (if_then_else:SI (ltu (match_operand:CCUNS 1 "cc_reg_operand" "y")
> ++ (const_int 0))
> ++ (const_int -1)
> ++ (if_then_else (gtu (match_dup 1)
> ++ (const_int 0))
> ++ (const_int 1)
> ++ (const_int 0))))]
> ++ "TARGET_P9_MISC"
> ++ "setb %0,%1"
> ++ [(set_attr "type" "logical")])
> ++
> ++;; Test byte within two ranges.
> ++;;
> ++;; The bytes of operand 1 are organized as xx:xx:xx:vv, where xx
> ++;; represents a byte whose value is ignored in this context and
> ++;; vv, the least significant byte, holds the byte value that is to
> ++;; be tested for membership within the range specified by operand 2.
> ++;; The bytes of operand 2 are organized as hi_1:lo_1:hi_2:lo_2.
> ++;;
> ++;; Return in target register operand 0 a value of 1 if (lo_1 <= vv and
> ++;; vv <= hi_1) or if (lo_2 <= vv and vv <= hi_2). Otherwise, set register
> ++;; operand 0 to 0.
> ++;;
> ++;; Though the instructions to which this expansion maps operate on
> ++;; 64-bit registers, the current implementation only operates on
> ++;; SI-mode operands as the high-order bits provide no information
> ++;; that is not already available in the low-order bits. To avoid the
> ++;; costs of data widening operations, future enhancements might allow
> ++;; DI mode for operand 0 and/or might allow operand 1 to be QI mode.
> ++(define_expand "cmprb2"
> ++ [(set (match_dup 3)
> ++ (unspec:CC [(match_operand:SI 1 "gpc_reg_operand" "r")
> ++ (match_operand:SI 2 "gpc_reg_operand" "r")]
> ++ UNSPEC_CMPRB2))
> ++ (set (match_operand:SI 0 "gpc_reg_operand" "=r")
> ++ (if_then_else:SI (lt (match_dup 3)
> ++ (const_int 0))
> ++ (const_int -1)
> ++ (if_then_else (gt (match_dup 3)
> ++ (const_int 0))
> ++ (const_int 1)
> ++ (const_int 0))))]
> ++ "TARGET_P9_MISC"
> ++{
> ++ operands[3] = gen_reg_rtx (CCmode);
> ++})
> ++
> ++;; The bytes of operand 1 are organized as xx:xx:xx:vv, where xx
> ++;; represents a byte whose value is ignored in this context and
> ++;; vv, the least significant byte, holds the byte value that is to
> ++;; be tested for membership within the ranges specified by operand 2.
> ++;; The bytes of operand 2 are organized as hi_1:lo_1:hi_2:lo_2.
> ++;;
> ++;; Set bit 1 (the GT bit, 0x4) of CR register operand 0 to 1 if
> ++;; (lo_1 <= vv and vv <= hi_1) or if (lo_2 <= vv and vv <= hi_2).
> ++;; Otherwise, set the GT bit to 0. The other 3 bits of the target
> ++;; CR register are all set to 0.
> ++(define_insn "*cmprb2_internal"
> ++ [(set (match_operand:CC 0 "cc_reg_operand" "=y")
> ++ (unspec:CC [(match_operand:SI 1 "gpc_reg_operand" "r")
> ++ (match_operand:SI 2 "gpc_reg_operand" "r")]
> ++ UNSPEC_CMPRB2))]
> ++ "TARGET_P9_MISC"
> ++ "cmprb %0,1,%1,%2"
> ++ [(set_attr "type" "logical")])
> +
> +
> +
> +--
> +2.23.0
> +
> diff --git a/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p2.patch
> b/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p2.patch
> new file mode 100644
> index 0000000000..4f64c39b0a
> --- /dev/null
> +++ b/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p2.patch
> @@ -0,0 +1,47 @@
> +From f2b99d05bb2721e062404afdfb05e570e68b4ced Mon Sep 17 00:00:00 2001
> +From: segher <segher@138bc75d-0d04-0410-961f-82ee72b054a4>
> +Date: Fri, 30 Aug 2019 14:17:20 +0000
> +Subject: [PATCH] Backport from trunk 2019-08-23 Segher Boessenkool
> + <seg...@kernel.crashing.org>
> +Reply-To: muis...@microsoft.com
> +
> +gcc/testsuite/
> + PR target/91481
> + * gcc.target/powerpc/darn-3.c: New testcase.
> +
> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-8-branch@275182
> 138bc75d-0d04-0410-961f-82ee72b054a4
> +Signed-off-by: Muminul Islam <muis...@microsoft.com>
> +
> +CVE: CVE-2019-15847
> +
> +Upstream-Status: Backport
> +---
> + gcc/testsuite/gcc.target/powerpc/darn-3.c | 16 ++++++++++++++++
> + 1 file changed, 16 insertions(+)
> + create mode 100644 gcc/testsuite/gcc.target/powerpc/darn-3.c
> +
> +diff --git a/gcc/testsuite/gcc.target/powerpc/darn-3.c
> b/gcc/testsuite/gcc.target/powerpc/darn-3.c
> +new file mode 100644
> +index 00000000000..477901fde70
> +--- /dev/null
> ++++ b/gcc/testsuite/gcc.target/powerpc/darn-3.c
> +@@ -0,0 +1,16 @@
> ++/* { dg-do compile { target { powerpc*-*-* } } } */
> ++/* { dg-skip-if "" { powerpc*-*-aix* } } */
> ++/* { dg-options "-O2 -mdejagnu-cpu=power9" } */
> ++
> ++static int darn32(void) { return __builtin_darn_32(); }
> ++
> ++int four(void)
> ++{
> ++ int sum = 0;
> ++ int i;
> ++ for (i = 0; i < 4; i++)
> ++ sum += darn32();
> ++ return sum;
> ++}
> ++
> ++/* { dg-final { scan-assembler-times {(?n)\mdarn .*,0\M} 4 } } */
> +--
> +2.23.0
> +
> diff --git a/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p3.patch
> b/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p3.patch
> new file mode 100644
> index 0000000000..0ab7544caa
> --- /dev/null
> +++ b/meta/recipes-devtools/gcc/gcc-8.2/CVE-2019-15847_p3.patch
> @@ -0,0 +1,38 @@
> +From f4721625a060ad708c0b7d02d3d6b3a581e7d885 Mon Sep 17 00:00:00 2001
> +From: segher <segher@138bc75d-0d04-0410-961f-82ee72b054a4>
> +Date: Sat, 31 Aug 2019 18:58:04 +0000
> +Subject: [PATCH] rs6000: Fix darn-3.c for GCC 8 and GCC 7
> +Reply-To: muis...@microsoft.com
> +
> +Apparently I didn't properly test the testcase backport to GCC 8 and
> +GCC 7. This makes it not fail there.
> +
> + PR target/91481
> + * gcc.target/powerpc/darn-3.c: Fix testcase.
> +
> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-8-branch@275244
> 138bc75d-0d04-0410-961f-82ee72b054a4
> +Signed-off-by: Muminul Islam <muis...@microsoft.com>
> +
> +CVE: CVE-2019-15847
> +
> +Upstream-Status: Backport
> +---
> + gcc/testsuite/gcc.target/powerpc/darn-3.c | 3 ++-
> + 1 file changed, 2 insertions(+), 1 deletion(-)
> +
> +diff --git a/gcc/testsuite/gcc.target/powerpc/darn-3.c
> b/gcc/testsuite/gcc.target/powerpc/darn-3.c
> +index 477901fde70..96ac21fc58c 100644
> +--- a/gcc/testsuite/gcc.target/powerpc/darn-3.c
> ++++ b/gcc/testsuite/gcc.target/powerpc/darn-3.c
> +@@ -1,6 +1,7 @@
> + /* { dg-do compile { target { powerpc*-*-* } } } */
> + /* { dg-skip-if "" { powerpc*-*-aix* } } */
> +-/* { dg-options "-O2 -mdejagnu-cpu=power9" } */
> ++/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> ++/* { dg-options "-O2 -mcpu=power9" } */
> +
> + static int darn32(void) { return __builtin_darn_32(); }
> +
> +--
> +2.23.0
> +
--
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