crosstool-ng/packages/glibc/2.17/0069-uses-power6-mtfsf-when-not-supported.patch
Alexey Neyman 86c2982568 Run patches thru manage-packages -P
This refreshes the line numbers, removes any fuzz (which would make any
future forward ports easier) and standardizes the patch/file headers
(which makes them easier to read).

Signed-off-by: Alexey Neyman <stilor@att.net>
2022-02-11 00:47:51 -08:00

126 lines
3.4 KiB
Diff

2015-03-11 Martin Sebor <msebor@redhat.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
(__setcontext): Set machine to power6 regardless of whether
or not _ARCH_PWR6 is defined.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
(__novec_swapcontext): Likewise.
---
sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S | 18 ++++++++++------
sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S | 18 ++++++++++++----
2 files changed, 26 insertions(+), 10 deletions(-)
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
@@ -80,12 +80,13 @@
lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31)
lfd fp30,(SIGCONTEXT_FP_REGS+(PT_R30*8))(r31)
+ .machine push
+ .machine "power6"
+
# ifdef _ARCH_PWR6
/* Use the extended four-operand version of the mtfsf insn. */
mtfsf 0xff,fp0,1,0
# else
- .machine push
- .machine "power6"
/* Availability of DFP indicates a 64-bit FPSCR. */
andi. r6,r5,PPC_FEATURE_HAS_DFP
beq 5f
@@ -96,8 +97,10 @@
5:
mtfsf 0xff,fp0
6:
- .machine pop
# endif /* _ARCH_PWR6 */
+
+ .machine pop
+
lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31)
lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31)
lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31)
@@ -363,12 +366,13 @@
lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31)
lfd fp30,(SIGCONTEXT_FP_REGS+(PT_R30*8))(r31)
+ .machine push
+ .machine "power6"
+
# ifdef _ARCH_PWR6
/* Use the extended four-operand version of the mtfsf insn. */
mtfsf 0xff,fp0,1,0
# else
- .machine push
- .machine "power6"
/* Availability of DFP indicates a 64-bit FPSCR. */
andi. r6,r5,PPC_FEATURE_HAS_DFP
beq 7f
@@ -379,8 +383,10 @@
7:
mtfsf 0xff,fp0
8:
- .machine pop
# endif /* _ARCH_PWR6 */
+
+ .machine pop
+
lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31)
lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31)
lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31)
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
@@ -174,6 +174,10 @@
lfd fp0,(SIGCONTEXT_FP_REGS+(32*8))(r31)
lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31)
lfd fp30,(SIGCONTEXT_FP_REGS+(PT_R30*8))(r31)
+
+ .machine push
+ .machine "power6"
+
# ifdef _ARCH_PWR6
/* Use the extended four-operand version of the mtfsf insn. */
mtfsf 0xff,fp0,1,0
@@ -190,8 +194,10 @@
5:
mtfsf 0xff,fp0
6:
- .machine pop
#endif /* _ARCH_PWR6 */
+
+ .machine pop
+
lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31)
lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31)
lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31)
@@ -653,12 +659,14 @@
lfd fp0,(SIGCONTEXT_FP_REGS+(32*8))(r31)
lfd fp31,(SIGCONTEXT_FP_REGS+(PT_R31*8))(r31)
lfd fp30,(SIGCONTEXT_FP_REGS+(PT_R30*8))(r31)
+
+ .machine push
+ .machine "power6"
+
# ifdef _ARCH_PWR6
/* Use the extended four-operand version of the mtfsf insn. */
mtfsf 0xff,fp0,1,0
# else
- .machine push
- .machine "power6"
/* Availability of DFP indicates a 64-bit FPSCR. */
andi. r6,r8,PPC_FEATURE_HAS_DFP
beq 7f
@@ -669,8 +677,10 @@
7:
mtfsf 0xff,fp0
8:
- .machine pop
#endif /* _ARCH_PWR6 */
+
+ .machine pop
+
lfd fp29,(SIGCONTEXT_FP_REGS+(PT_R29*8))(r31)
lfd fp28,(SIGCONTEXT_FP_REGS+(PT_R28*8))(r31)
lfd fp27,(SIGCONTEXT_FP_REGS+(PT_R27*8))(r31)