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Takayuki 'January June' Suwa 29dc90a580 xtensa: Add clrsbsi2 insn pattern 
> (clrsb:m x)
> Represents the number of redundant leading sign bits in x, represented
> as an integer of mode m, starting at the most significant bit position.

This explanation is just what the NSA instruction (not ever emitted before)
calculates in Xtensa ISA.

gcc/ChangeLog:

	* config/xtensa/xtensa.md (clrsbsi2): New insn pattern.

libgcc/ChangeLog:

	* config/xtensa/lib1funcs.S (__clrsbsi2): New function.
	* config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _clrsbsi2.
 		2022-06-09 15:07:59 -07:00
..
aarch64 AArch64: Prioritise init_have_lse_atomics constructor [PR 105708] 2022-05-25 15:53:30 +01:00
alpha Update copyright years. 2022-01-03 10:42:10 +01:00
arc arc: Add DWARF2 alternate CFA column. 2022-01-14 12:24:52 +02:00
arm Update copyright years. 2022-01-03 10:42:10 +01:00
avr Update copyright years. 2022-01-03 10:42:10 +01:00
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bpf
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frv Update copyright years. 2022-01-03 10:42:10 +01:00
ft32 Update copyright years. 2022-01-03 10:42:10 +01:00
gcn GCN: Implement __atomic_compare_exchange_{1,2} in libgcc [PR102215] 2022-03-09 19:34:48 +01:00
h8300 Update copyright years. 2022-01-03 10:42:10 +01:00
i386 libgcc: Fix __gthr_i486_lock_cmp_xchg clobber for Windows 2022-01-15 13:32:05 +00:00
ia64 libgcc: IA64: don't compile glibc-based unwinder without libc headers 2022-04-08 08:01:06 +01:00
iq2000 Update copyright years. 2022-01-03 10:42:10 +01:00
libbid Daily bump. 2022-05-21 00:16:32 +00:00
lm32 Update copyright years. 2022-01-03 10:42:10 +01:00
loongarch LoongArch Port: libgcc 2022-03-29 17:43:35 +08:00
m32c Update copyright years. 2022-01-03 10:42:10 +01:00
m32r Update copyright years. 2022-01-03 10:42:10 +01:00
m68k libgcc: m68k: avoid TEXTRELs in shared library (PR 86224) 2022-03-19 15:14:21 -04:00
mcore Update copyright years. 2022-01-03 10:42:10 +01:00
microblaze Update copyright years. 2022-01-03 10:42:10 +01:00
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msp430 Update copyright years. 2022-01-03 10:42:10 +01:00
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pdp11
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pru Update copyright years. 2022-01-03 10:42:10 +01:00
riscv Update copyright years. 2022-01-03 10:42:10 +01:00
rl78 Update copyright years. 2022-01-03 10:42:10 +01:00
rs6000 Darwin, libgcc: Fix build errors on powerpc-darwin8. 2022-03-04 16:44:54 +00:00
rx Update copyright years. 2022-01-03 10:42:10 +01:00
s390 Update copyright years. 2022-01-03 10:42:10 +01:00
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visium Update copyright years. 2022-01-03 10:42:10 +01:00
vms Update copyright years. 2022-01-03 10:42:10 +01:00
xtensa xtensa: Add clrsbsi2 insn pattern 2022-06-09 15:07:59 -07:00
darwin-64.c Update copyright years. 2022-01-03 10:42:10 +01:00
darwin-crt-tm.c Update copyright years. 2022-01-03 10:42:10 +01:00
darwin-crt3.c Update copyright years. 2022-01-03 10:42:10 +01:00
darwin-unwind.ver libgcc, Darwin: Build a libgcc_s.1 for backwards compatibility. 2021-12-08 19:53:28 +00:00
darwin10-unwind-find-enc-func.c Darwin, crts: Fix a build warning. 2021-11-05 20:48:05 +00:00
gthr-lynx.h Update copyright years. 2022-01-03 10:42:10 +01:00
gthr-rtems.h Update copyright years. 2022-01-03 10:42:10 +01:00
gthr-vxworks-cond.c Update copyright years. 2022-01-03 10:42:10 +01:00
gthr-vxworks-thread.c Update copyright years. 2022-01-03 10:42:10 +01:00
gthr-vxworks-tls.c Update copyright years. 2022-01-03 10:42:10 +01:00
gthr-vxworks.c Update copyright years. 2022-01-03 10:42:10 +01:00
gthr-vxworks.h Update copyright years. 2022-01-03 10:42:10 +01:00
hardfp.c Update copyright years. 2022-01-03 10:42:10 +01:00
libgcc-glibc.ver Update copyright years. 2022-01-03 10:42:10 +01:00
libgcc-libsystem.ver Darwin: Rework handling for unwinder code in libgcc_s and specs [PR80556]. 2021-11-19 19:58:11 +00:00
no-sfp-machine.h
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no-unwind.h
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t-crtfm
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t-crtstuff-pic
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t-darwin libgcc, Darwin: Update darwin10 unwinder shim dependencies. 2021-12-10 23:15:15 +00:00
t-darwin-ehs Darwin, libgcc: Fix build errors on powerpc-darwin8. 2022-03-04 16:44:54 +00:00
t-dfprules
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t-eh-dw2-dip
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t-fdpbit
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t-fixedpoint-gnu-prefix
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t-fpbit
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t-freebsd-thread
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t-gnu-prefix
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t-gthr-noweak
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t-gthr-vxworks
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t-gthr-vxworksae
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t-hardfp Update copyright years. 2022-01-03 10:42:10 +01:00
t-hardfp-sfdf Update copyright years. 2022-01-03 10:42:10 +01:00
t-libgcc-pic
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t-libunwind
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t-libunwind-elf Update copyright years. 2022-01-03 10:42:10 +01:00
t-linux
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t-openbsd-thread
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t-rtems
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t-slibgcc Update copyright years. 2022-01-03 10:42:10 +01:00
t-slibgcc-darwin libgcc, Darwin: Add missing build dependencies. 2021-12-17 10:12:53 +00:00
t-slibgcc-elf-ver
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t-slibgcc-fuchsia Update copyright years. 2022-01-03 10:42:10 +01:00
t-slibgcc-gld
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t-slibgcc-gld-nover
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t-slibgcc-hpux
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t-slibgcc-libgcc Update copyright years. 2022-01-03 10:42:10 +01:00
t-slibgcc-nolc-override
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t-slibgcc-sld
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t-slibgcc-vms
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t-softfp Update copyright years. 2022-01-03 10:42:10 +01:00
t-softfp-compat
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t-softfp-excl
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t-softfp-sfdf
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t-softfp-sfdftf
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t-softfp-tf
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t-stack
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t-tls
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t-vxcrtstuff
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t-vxcrtstuffS Tigthen libc_internal and crtstuff for VxWorks shared objects 2021-12-13 18:03:03 +00:00
t-vxworks Preserve cpu specific CRTSTUFF_T_CFLAGS on powerpc-vxworks7 2021-12-13 17:59:54 +00:00
t-vxworksae
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unwind-dw2-fde-darwin.c Update copyright years. 2022-01-03 10:42:10 +01:00
vxcrtstuff.c Tigthen libc_internal and crtstuff for VxWorks shared objects 2021-12-13 18:03:03 +00:00