2 files changed, 35 insertions, 3 deletions
diff --git a/gcc/config/arm/vec-common.md b/gcc/config/arm/vec-common.md
index 0e13187..48ee659 100644
--- a/gcc/config/arm/vec-common.md
+++ b/gcc/config/arm/vec-common.md
@@ -202,13 +202,13 @@
 (define_expand "one_cmpl<mode>2"
   [(set (match_operand:VDQ 0 "s_register_operand")
 	(not:VDQ (match_operand:VDQ 1 "s_register_operand")))]
-  "ARM_HAVE_<MODE>_ARITH"
+  "ARM_HAVE_<MODE>_ARITH && !TARGET_REALLY_IWMMXT"
 )
 
 (define_expand "neg<mode>2"
   [(set (match_operand:VDQWH 0 "s_register_operand" "")
 	(neg:VDQWH (match_operand:VDQWH 1 "s_register_operand" "")))]
-  "ARM_HAVE_<MODE>_ARITH"
+  "ARM_HAVE_<MODE>_ARITH && !TARGET_REALLY_IWMMXT"
 )
 
 (define_expand "cadd<rot><mode>3"
@@ -281,7 +281,8 @@
  [(set (match_operand:VDQX 0 "neon_perm_struct_or_reg_operand")
 	(unspec:VDQX [(match_operand:VDQX 1 "neon_perm_struct_or_reg_operand")]
 	 UNSPEC_MISALIGNED_ACCESS))]
- "ARM_HAVE_<MODE>_LDST && !BYTES_BIG_ENDIAN && unaligned_access"
+ "ARM_HAVE_<MODE>_LDST && !BYTES_BIG_ENDIAN
+  && unaligned_access && !TARGET_REALLY_IWMMXT"
 {
  rtx adjust_mem;
  /* This pattern is not permitted to fail during expansion: if both arguments
diff --git a/gcc/testsuite/gcc.target/arm/pr99724.c b/gcc/testsuite/gcc.target/arm/pr99724.c
new file mode 100644
index 0000000..5411078
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/pr99724.c
@@ -0,0 +1,31 @@
+/* PR target/99724 */
+/* { dg-do compile } */
+/* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mcpu=*" } { "-mcpu=iwmmxt" } } */
+/* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mabi=*" } { "-mabi=iwmmxt" } } */
+/* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-march=*" } { "-march=iwmmxt" } } */
+/* { dg-skip-if "Test is specific to ARM mode" { arm*-*-* } { "-mthumb" } { "" } } */
+/* { dg-require-effective-target arm32 } */
+/* { dg-require-effective-target arm_iwmmxt_ok } */
+/* { dg-options "-O1 -mcpu=iwmmxt" } */
+
+typedef int V __attribute__((vector_size (8)));
+struct __attribute__((packed)) S { char a; V b; char c[7]; };
+
+void
+foo (V *x)
+{
+  *x = ~*x;
+}
+
+void
+bar (V *x)
+{
+  *x = -*x;
+}
+
+void
+baz (V *x, struct S *p)
+{
+  V y = p->b;
+  *x = y;
+}