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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-29 09:37:03 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-29 09:37:03 -0800
commit889bb74302e5aba85d987b4093344150984d7cda (patch)
treea81f49ee3b866e13a623e77090bbc153210d0091 /arch/nds32/include/asm/fpuemu.h
parent903b77c631673eeec9e9114e9524171cdf9a2646 (diff)
parente2f3f8b4a497d26bdcd55a53246ec2e613ae0fd4 (diff)
Merge tag 'nds32-for-linus-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 updates from Greentime Hu: - Perf support - Power management support - FPU support - Hardware prefetcher support - Build error fixed - Performance enhancement * tag 'nds32-for-linus-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux: nds32: support hardware prefetcher nds32: Fix the items of hwcap_str ordering issue. math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning math-emu/op-2.h: Use statement expressions to prevent negative constant shift nds32: support denormalized result through FP emulator nds32: Support FP emulation nds32: nds32 FPU port nds32: Remove duplicated include from pm.c nds32: Power management for nds32 nds32: Add document for NDS32 PMU. nds32: Add perf call-graph support. nds32: Perf porting nds32: Fix bug in bitfield.h nds32: Fix gcc 8.0 compiler option incompatible. nds32: Fill all TLB entries with kernel image mapping nds32: Remove the redundant assignment
Diffstat (limited to 'arch/nds32/include/asm/fpuemu.h')
-rw-r--r--arch/nds32/include/asm/fpuemu.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/fpuemu.h b/arch/nds32/include/asm/fpuemu.h
new file mode 100644
index 000000000000..c4bd0c7faa75
--- /dev/null
+++ b/arch/nds32/include/asm/fpuemu.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2005-2018 Andes Technology Corporation */
+
+#ifndef __ARCH_NDS32_FPUEMU_H
+#define __ARCH_NDS32_FPUEMU_H
+
+/*
+ * single precision
+ */
+
+void fadds(void *ft, void *fa, void *fb);
+void fsubs(void *ft, void *fa, void *fb);
+void fmuls(void *ft, void *fa, void *fb);
+void fdivs(void *ft, void *fa, void *fb);
+void fs2d(void *ft, void *fa);
+void fsqrts(void *ft, void *fa);
+void fnegs(void *ft, void *fa);
+int fcmps(void *ft, void *fa, void *fb, int cop);
+
+/*
+ * double precision
+ */
+void faddd(void *ft, void *fa, void *fb);
+void fsubd(void *ft, void *fa, void *fb);
+void fmuld(void *ft, void *fa, void *fb);
+void fdivd(void *ft, void *fa, void *fb);
+void fsqrtd(void *ft, void *fa);
+void fd2s(void *ft, void *fa);
+void fnegd(void *ft, void *fa);
+int fcmpd(void *ft, void *fa, void *fb, int cop);
+
+#endif /* __ARCH_NDS32_FPUEMU_H */