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glibc/glibc-upstream-2.39-9.patch
Arjun Shankar 24af28d49b Sync with upstream branch release/2.39/master 
Upstream commit: 5d070d12b3a52bc44dd1b71743abc4b6243862ae

- x86: Expand the comment on when REP STOSB is used on memset
- x86: Do not prefer ERMS for memset on Zen3+
- x86: Fix Zen3/Zen4 ERMS selection (BZ 30994)
- Add tst-gnu2-tls2mod1 to test-internal-extras
- elf: Enable TLS descriptor tests on aarch64
- arm: Update _dl_tlsdesc_dynamic to preserve caller-saved registers (BZ 31372)
- Ignore undefined symbols for -mtls-dialect=gnu2
- x86-64: Allocate state buffer space for RDI, RSI and RBX
- x86-64: Update _dl_tlsdesc_dynamic to preserve AMX registers
- x86: Update _dl_tlsdesc_dynamic to preserve caller-saved registers
- x86-64: Save APX registers in ld.so trampoline
- LoongArch: Correct {__ieee754, _}_scalb -> {__ieee754, _}_scalbf
- powerpc: Placeholder and infrastructure/build support to add Power11 related changes.
- powerpc: Add HWCAP3/HWCAP4 data to TCB for Power Architecture.
2024-04-04 17:12:08 +02:00

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commit aad45c8ac30aa1072e54903ce6aead22702f244a
Author: Amrita H S <amritahs@linux.ibm.com>
Date: Tue Mar 19 19:08:47 2024 -0500
powerpc: Placeholder and infrastructure/build support to add Power11 related changes.
The following three changes have been added to provide initial Power11 support.
1. Add the directories to hold Power11 files.
2. Add support to select Power11 libraries based on AT_PLATFORM.
3. Let submachine=power11 be set automatically.
Reviewed-by: Florian Weimer <fweimer@redhat.com>
Reviewed-by: Peter Bergner <bergner@linux.ibm.com>
(cherry picked from commit 1ea051145612f199d8716ecdf78b084b00b5a727)
diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h
index f8cb343877386402..b36697ba440654be 100644
--- a/sysdeps/powerpc/dl-procinfo.h
+++ b/sysdeps/powerpc/dl-procinfo.h
@@ -38,7 +38,7 @@
#define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \
+ PPC_FEATURE_HAS_DFP)
-#define _DL_PLATFORMS_COUNT 16
+#define _DL_PLATFORMS_COUNT 17
#define _DL_FIRST_PLATFORM 32
/* Mask to filter out platforms. */
@@ -62,6 +62,7 @@
#define PPC_PLATFORM_POWER8 13
#define PPC_PLATFORM_POWER9 14
#define PPC_PLATFORM_POWER10 15
+#define PPC_PLATFORM_POWER11 16
static inline const char *
__attribute__ ((unused))
@@ -89,6 +90,11 @@ _dl_string_platform (const char *str)
ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER10;
str++;
}
+ else if (str[1] == '1')
+ {
+ ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER11;
+ str++;
+ }
else
return -1;
break;
diff --git a/sysdeps/powerpc/powerpc32/power11/Implies b/sysdeps/powerpc/powerpc32/power11/Implies
new file mode 100644
index 0000000000000000..051cbe0f7911c93c
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power11/Implies
@@ -0,0 +1,2 @@
+powerpc/powerpc32/power10/fpu
+powerpc/powerpc32/power10
diff --git a/sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies
new file mode 100644
index 0000000000000000..58edb2861d17f504
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies
@@ -0,0 +1 @@
+powerpc/powerpc32/power10/fpu/multiarch
diff --git a/sysdeps/powerpc/powerpc32/power11/multiarch/Implies b/sysdeps/powerpc/powerpc32/power11/multiarch/Implies
new file mode 100644
index 0000000000000000..c70f0428badbaf14
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power11/multiarch/Implies
@@ -0,0 +1 @@
+powerpc/powerpc32/power10/multiarch
diff --git a/sysdeps/powerpc/powerpc64/be/power11/Implies b/sysdeps/powerpc/powerpc64/be/power11/Implies
new file mode 100644
index 0000000000000000..de481d1c13db695e
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/be/power11/Implies
@@ -0,0 +1,2 @@
+powerpc/powerpc64/be/power10/fpu
+powerpc/powerpc64/be/power10
diff --git a/sysdeps/powerpc/powerpc64/be/power11/fpu/Implies b/sysdeps/powerpc/powerpc64/be/power11/fpu/Implies
new file mode 100644
index 0000000000000000..dff0e13064ce8238
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/be/power11/fpu/Implies
@@ -0,0 +1 @@
+powerpc/powerpc64/be/power10/fpu
diff --git a/sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies
new file mode 100644
index 0000000000000000..c3f259e0097386a5
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies
@@ -0,0 +1 @@
+powerpc/powerpc64/be/power10/fpu/multiarch
diff --git a/sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies b/sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies
new file mode 100644
index 0000000000000000..9491a394c9519d01
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies
@@ -0,0 +1 @@
+powerpc/powerpc64/be/power10/multiarch
diff --git a/sysdeps/powerpc/powerpc64/le/power11/Implies b/sysdeps/powerpc/powerpc64/le/power11/Implies
new file mode 100644
index 0000000000000000..e18182dcc1f4c25f
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/le/power11/Implies
@@ -0,0 +1,2 @@
+powerpc/powerpc64/le/power10/fpu
+powerpc/powerpc64/le/power10
diff --git a/sysdeps/powerpc/powerpc64/le/power11/fpu/Implies b/sysdeps/powerpc/powerpc64/le/power11/fpu/Implies
new file mode 100644
index 0000000000000000..e41bd55684dbb5b8
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/le/power11/fpu/Implies
@@ -0,0 +1 @@
+powerpc/powerpc64/le/power10/fpu
diff --git a/sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies
new file mode 100644
index 0000000000000000..c838d5093140eae3
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies
@@ -0,0 +1 @@
+powerpc/powerpc64/le/power10/fpu/multiarch
diff --git a/sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies
new file mode 100644
index 0000000000000000..687248c3c267cd8c
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies
@@ -0,0 +1 @@
+powerpc/powerpc64/le/power10/multiarch
diff --git a/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c b/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c
index 77465d9133410267..65d3e69303a1c963 100644
--- a/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c
+++ b/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c
@@ -36,9 +36,11 @@ compute_level (void)
return 9;
if (strcmp (platform, "power10") == 0)
return 10;
+ if (strcmp (platform, "power11") == 0)
+ return 11;
printf ("warning: unrecognized AT_PLATFORM value: %s\n", platform);
- /* Assume that the new platform supports POWER10. */
- return 10;
+ /* Assume that the new platform supports POWER11. */
+ return 11;
}
static int
diff --git a/sysdeps/powerpc/preconfigure b/sysdeps/powerpc/preconfigure
index 4de94089a3f68532..9e5a07ab6d6767cd 100644
--- a/sysdeps/powerpc/preconfigure
+++ b/sysdeps/powerpc/preconfigure
@@ -58,7 +58,7 @@ fi
;;
- a2|970|power[4-9]|power5x|power6+|power10)
+ a2|970|power[4-9]|power5x|power6+|power10|power11)
submachine=${archcpu}
if test ${libc_cv_cc_submachine+y}
then :
diff --git a/sysdeps/powerpc/preconfigure.ac b/sysdeps/powerpc/preconfigure.ac
index 6c63bd8257b7e40a..14b6dafd4a895c3b 100644
--- a/sysdeps/powerpc/preconfigure.ac
+++ b/sysdeps/powerpc/preconfigure.ac
@@ -46,7 +46,7 @@ case "${machine}:${submachine}" in
AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
;;
- a2|970|power[[4-9]]|power5x|power6+|power10)
+ a2|970|power[[4-9]]|power5x|power6+|power10|power11)
submachine=${archcpu}
AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
;;
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