diff options
Diffstat (limited to 'contrib/guix/patches/glibc-2.27-powerpc-ldbrx.patch')
| -rw-r--r-- | contrib/guix/patches/glibc-2.27-powerpc-ldbrx.patch | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/contrib/guix/patches/glibc-2.27-powerpc-ldbrx.patch b/contrib/guix/patches/glibc-2.27-powerpc-ldbrx.patch deleted file mode 100644 index 26716054c8..0000000000 --- a/contrib/guix/patches/glibc-2.27-powerpc-ldbrx.patch +++ /dev/null @@ -1,245 +0,0 @@ -From 50b0b3c9ff71ffd7ebbd74ae46844c3566478123 Mon Sep 17 00:00:00 2001 -From: "Gabriel F. T. Gomes" <gabrielftg@linux.ibm.com> -Date: Mon, 27 May 2019 15:21:22 -0300 -Subject: [PATCH] powerpc: Fix build failures with current GCC - -Since GCC commit 271500 (svn), also known as the following commit on the -git mirror: - -commit e154242724b084380e3221df7c08fcdbd8460674 -Author: amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> -Date: Wed May 22 04:34:26 2019 +0000 - - [RS6000] Don't pass -many to the assembler - -glibc builds are failing when an assembly implementation does not -declare the correct '.machine' directive, or when no such directive is -declared at all. For example, when a POWER6 instruction is used, but -'.machine power6' is not declared, the assembler will fail with an error -similar to the following: - - ../sysdeps/powerpc/powerpc64/power8/strcmp.S: Assembler messages: - 24 ../sysdeps/powerpc/powerpc64/power8/strcmp.S:55: Error: unrecognized opcode: `cmpb' - -This patch adds '.machine powerN' directives where none existed, as well -as it updates '.machine power7' directives on POWER8 files, because the -minimum binutils version required to build glibc (binutils 2.25) now -provides this machine version. It also adds '-many' to the assembler -command used to build tst-set_ppr.c. - -Tested for powerpc, powerpc64, and powerpc64le, as well as with -build-many-glibcs.py for powerpc targets. - -Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> ---- - sysdeps/powerpc/Makefile | 5 +++ - sysdeps/powerpc/powerpc64/power4/memcmp.S | 7 ++++ - sysdeps/powerpc/powerpc64/power7/strncmp.S | 1 + - .../powerpc/powerpc64/power8/fpu/s_llround.S | 1 + - sysdeps/powerpc/powerpc64/power8/strcasecmp.S | 36 ++++++------------- - sysdeps/powerpc/powerpc64/power8/strcasestr.S | 14 ++------ - sysdeps/powerpc/powerpc64/power8/strcmp.S | 1 + - 7 files changed, 28 insertions(+), 37 deletions(-) - -diff --git a/sysdeps/powerpc/Makefile b/sysdeps/powerpc/Makefile -index 6aa683b03f..23126147df 100644 ---- a/sysdeps/powerpc/Makefile -+++ b/sysdeps/powerpc/Makefile -@@ -45,6 +45,11 @@ ifeq ($(subdir),misc) - sysdep_headers += sys/platform/ppc.h - tests += test-gettimebase - tests += tst-set_ppr -+ -+# This test is expected to run and exit with EXIT_UNSUPPORTED on -+# processors that do not implement the Power ISA 2.06 or greater. -+# But the test makes use of instructions from Power ISA 2.06 and 2.07. -+CFLAGS-tst-set_ppr.c += -Wa,-many - endif - - ifneq (,$(filter %le,$(config-machine))) -diff --git a/sysdeps/powerpc/powerpc64/power4/memcmp.S b/sysdeps/powerpc/powerpc64/power4/memcmp.S -index e5319f101f..38dcf4c9a1 100644 ---- a/sysdeps/powerpc/powerpc64/power4/memcmp.S -+++ b/sysdeps/powerpc/powerpc64/power4/memcmp.S -@@ -26,7 +26,14 @@ - # define MEMCMP memcmp - #endif - -+#ifndef __LITTLE_ENDIAN__ - .machine power4 -+#else -+/* Little endian is only available since POWER8, so it's safe to -+ specify .machine as power8 (or older), even though this is a POWER4 -+ file. Since the little-endian code uses 'ldbrx', power7 is enough. */ -+ .machine power7 -+#endif - ENTRY_TOCLESS (MEMCMP, 4) - CALL_MCOUNT 3 - -diff --git a/sysdeps/powerpc/powerpc64/power7/strncmp.S b/sysdeps/powerpc/powerpc64/power7/strncmp.S -index 0c7429d19f..10f898c5a3 100644 ---- a/sysdeps/powerpc/powerpc64/power7/strncmp.S -+++ b/sysdeps/powerpc/powerpc64/power7/strncmp.S -@@ -28,6 +28,7 @@ - const char *s2 [r4], - size_t size [r5]) */ - -+ .machine power7 - ENTRY_TOCLESS (STRNCMP, 5) - CALL_MCOUNT 3 - -diff --git a/sysdeps/powerpc/powerpc64/power8/fpu/s_llround.S b/sysdeps/powerpc/powerpc64/power8/fpu/s_llround.S -index a22fc63bb3..84c76ba0f9 100644 ---- a/sysdeps/powerpc/powerpc64/power8/fpu/s_llround.S -+++ b/sysdeps/powerpc/powerpc64/power8/fpu/s_llround.S -@@ -26,6 +26,7 @@ - - /* long long [r3] llround (float x [fp1]) */ - -+ .machine power8 - ENTRY_TOCLESS (__llround) - CALL_MCOUNT 0 - frin fp1,fp1 /* Round to nearest +-0.5. */ -diff --git a/sysdeps/powerpc/powerpc64/power8/strcasecmp.S b/sysdeps/powerpc/powerpc64/power8/strcasecmp.S -index 3a2efe2a64..eeacd40c7f 100644 ---- a/sysdeps/powerpc/powerpc64/power8/strcasecmp.S -+++ b/sysdeps/powerpc/powerpc64/power8/strcasecmp.S -@@ -91,21 +91,7 @@ - 3: \ - TOLOWER() - --#ifdef _ARCH_PWR8 --# define VCLZD_V8_v7 vclzd v8, v7; --# define MFVRD_R3_V1 mfvrd r3, v1; --# define VSUBUDM_V9_V8 vsubudm v9, v9, v8; --# define VPOPCNTD_V8_V8 vpopcntd v8, v8; --# define VADDUQM_V7_V8 vadduqm v9, v7, v8; --#else --# define VCLZD_V8_v7 .long 0x11003fc2 --# define MFVRD_R3_V1 .long 0x7c230067 --# define VSUBUDM_V9_V8 .long 0x112944c0 --# define VPOPCNTD_V8_V8 .long 0x110047c3 --# define VADDUQM_V7_V8 .long 0x11274100 --#endif -- -- .machine power7 -+ .machine power8 - - ENTRY (__STRCASECMP) - #ifdef USE_AS_STRNCASECMP -@@ -265,15 +251,15 @@ L(different): - #ifdef __LITTLE_ENDIAN__ - /* Count trailing zero. */ - vspltisb v8, -1 -- VADDUQM_V7_V8 -+ vadduqm v9, v7, v8 - vandc v8, v9, v7 -- VPOPCNTD_V8_V8 -+ vpopcntd v8, v8 - vspltb v6, v8, 15 - vcmpequb. v6, v6, v1 - blt cr6, L(shift8) - #else - /* Count leading zero. */ -- VCLZD_V8_v7 -+ vclzd v8, v7 - vspltb v6, v8, 7 - vcmpequb. v6, v6, v1 - blt cr6, L(shift8) -@@ -291,7 +277,7 @@ L(skipsum): - /* Merge and move to GPR. */ - vmrglb v6, v6, v7 - vslo v1, v6, v1 -- MFVRD_R3_V1 -+ mfvrd r3, v1 - /* Place the characters that are different in first position. */ - sldi rSTR2, rRTN, 56 - srdi rSTR2, rSTR2, 56 -@@ -301,7 +287,7 @@ L(skipsum): - vslo v6, v5, v8 - vslo v7, v4, v8 - vmrghb v1, v6, v7 -- MFVRD_R3_V1 -+ mfvrd r3, v1 - srdi rSTR2, rRTN, 48 - sldi rSTR2, rSTR2, 56 - srdi rSTR2, rSTR2, 56 -@@ -320,15 +306,15 @@ L(null_found): - #ifdef __LITTLE_ENDIAN__ - /* Count trailing zero. */ - vspltisb v8, -1 -- VADDUQM_V7_V8 -+ vadduqm v9, v7, v8 - vandc v8, v9, v7 -- VPOPCNTD_V8_V8 -+ vpopcntd v8, v8 - vspltb v6, v8, 15 - vcmpequb. v6, v6, v10 - blt cr6, L(shift_8) - #else - /* Count leading zero. */ -- VCLZD_V8_v7 -+ vclzd v8, v7 - vspltb v6, v8, 7 - vcmpequb. v6, v6, v10 - blt cr6, L(shift_8) -@@ -343,10 +329,10 @@ L(skipsum1): - vspltisb v10, 7 - vslb v10, v10, v10 - vsldoi v9, v0, v10, 1 -- VSUBUDM_V9_V8 -+ vsubudm v9, v9, v8 - vspltisb v8, 8 - vsldoi v8, v0, v8, 1 -- VSUBUDM_V9_V8 -+ vsubudm v9, v9, v8 - /* Shift and remove junk after null character. */ - #ifdef __LITTLE_ENDIAN__ - vslo v5, v5, v9 -diff --git a/sysdeps/powerpc/powerpc64/power8/strcasestr.S b/sysdeps/powerpc/powerpc64/power8/strcasestr.S -index 9fc24c29f9..e10f06fd86 100644 ---- a/sysdeps/powerpc/powerpc64/power8/strcasestr.S -+++ b/sysdeps/powerpc/powerpc64/power8/strcasestr.S -@@ -73,18 +73,8 @@ - vor reg, v8, reg; \ - vcmpequb. v6, reg, v4; - --/* TODO: change these to the actual instructions when the minimum required -- binutils allows it. */ --#ifdef _ARCH_PWR8 --#define VCLZD_V8_v7 vclzd v8, v7; --#else --#define VCLZD_V8_v7 .long 0x11003fc2 --#endif -- - #define FRAMESIZE (FRAME_MIN_SIZE+48) --/* TODO: change this to .machine power8 when the minimum required binutils -- allows it. */ -- .machine power7 -+ .machine power8 - ENTRY (STRCASESTR, 4) - CALL_MCOUNT 2 - mflr r0 /* Load link register LR to r0. */ -@@ -291,7 +281,7 @@ L(nullchk1): - vcmpequb. v6, v0, v7 - /* Shift r3 by 16 bytes and proceed. */ - blt cr6, L(shift16) -- VCLZD_V8_v7 -+ vclzd v8, v7 - #ifdef __LITTLE_ENDIAN__ - vspltb v6, v8, 15 - #else -diff --git a/sysdeps/powerpc/powerpc64/power8/strcmp.S b/sysdeps/powerpc/powerpc64/power8/strcmp.S -index 15e7351d1b..d592266d1d 100644 ---- a/sysdeps/powerpc/powerpc64/power8/strcmp.S -+++ b/sysdeps/powerpc/powerpc64/power8/strcmp.S -@@ -31,6 +31,7 @@ - 64K as default, the page cross handling assumes minimum page size of - 4k. */ - -+ .machine power8 - ENTRY_TOCLESS (STRCMP, 4) - li r0,0 - --- -2.41.0 |