From b089ea3cc30de85ea7e20aa66500feb4082dfbf7 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Fri, 13 Jan 2023 18:08:32 +0100
Subject: lib/raid6: Drop IA64 support

Drop Itanium support from the RAID6 code, and along with it, the 16x and
32x unrolled versions, which were only used by IA64.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 lib/raid6/Makefile | 4 ++--
 lib/raid6/algos.c  | 4 ----
 lib/raid6/int.uc   | 9 ---------
 3 files changed, 2 insertions(+), 15 deletions(-)

(limited to 'lib/raid6')

diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
index 035b0a4db476..1c5420ff254e 100644
--- a/lib/raid6/Makefile
+++ b/lib/raid6/Makefile
@@ -2,7 +2,7 @@
 obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o
 
 raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
-		   int8.o int16.o int32.o
+		   int8.o
 
 raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
 raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \
@@ -55,7 +55,7 @@ endif
 quiet_cmd_unroll = UNROLL  $@
       cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
 
-targets += int1.c int2.c int4.c int8.c int16.c int32.c
+targets += int1.c int2.c int4.c int8.c
 $(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
index 0ec534faf019..cd2e88ee1f14 100644
--- a/lib/raid6/algos.c
+++ b/lib/raid6/algos.c
@@ -80,10 +80,6 @@ const struct raid6_calls * const raid6_algos[] = {
 #ifdef CONFIG_CPU_HAS_LSX
 	&raid6_lsx,
 #endif
-#endif
-#if defined(__ia64__)
-	&raid6_intx32,
-	&raid6_intx16,
 #endif
 	&raid6_intx8,
 	&raid6_intx4,
diff --git a/lib/raid6/int.uc b/lib/raid6/int.uc
index 558aeac9342a..1ba56c3fa482 100644
--- a/lib/raid6/int.uc
+++ b/lib/raid6/int.uc
@@ -41,13 +41,6 @@ typedef u32 unative_t;
 
 
 
-/*
- * IA-64 wants insane amounts of unrolling.  On other architectures that
- * is just a waste of space.
- */
-#if ($# <= 8) || defined(__ia64__)
-
-
 /*
  * These sub-operations are separate inlines since they can sometimes be
  * specially optimized using architecture-specific hacks.
@@ -152,5 +145,3 @@ const struct raid6_calls raid6_intx$# = {
 	"int" NSTRING "x$#",
 	0
 };
-
-#endif
-- 
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