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-rw-r--r--simplify.c8
-rw-r--r--validation/optim/and-or-trunc0.c1
-rw-r--r--validation/optim/and-or-trunc1.c1
-rw-r--r--validation/optim/and-or-trunc2.c1
-rw-r--r--validation/optim/and-or-truncx.c1
5 files changed, 8 insertions, 4 deletions
diff --git a/simplify.c b/simplify.c
index 737da650..529ffd7c 100644
--- a/simplify.c
+++ b/simplify.c
@@ -632,6 +632,7 @@ static int simplify_mask_or_and(struct instruction *insn, unsigned long long mas
// * if OP(x, K) == AND(x, M), @mask M is K
// * if OP(x, K) == LSR(x, S), @mask M is (-1 << S)
// * if OP(x, K) == SHL(x, S), @mask M is (-1 >> S)
+// * if OP(x, K) == TRUNC(x, N), @mask M is $mask(N)
static int simplify_mask_or(struct instruction *insn, unsigned long long mask, struct instruction *or)
{
pseudo_t src1 = or->src1;
@@ -1399,6 +1400,13 @@ static int simplify_cast(struct instruction *insn)
return replace_pseudo(insn, &insn->src1, def->src1);
}
break;
+ case OP_OR:
+ switch (insn->opcode) {
+ case OP_TRUNC:
+ mask = bits_mask(insn->size);
+ return simplify_mask_or(insn, mask, def);
+ }
+ break;
case OP_TRUNC:
switch (insn->opcode) {
case OP_TRUNC:
diff --git a/validation/optim/and-or-trunc0.c b/validation/optim/and-or-trunc0.c
index 873cb2d5..3d326b6a 100644
--- a/validation/optim/and-or-trunc0.c
+++ b/validation/optim/and-or-trunc0.c
@@ -6,7 +6,6 @@ char foo(int x, int y)
/*
* check-name: and-or-trunc0
* check-command: test-linearize -Wno-decl $file
- * check-known-to-fail
*
* check-output-ignore
* check-output-excludes: and\\.
diff --git a/validation/optim/and-or-trunc1.c b/validation/optim/and-or-trunc1.c
index 84c20317..6bbe8a8c 100644
--- a/validation/optim/and-or-trunc1.c
+++ b/validation/optim/and-or-trunc1.c
@@ -6,7 +6,6 @@ char foo(int x, int y)
/*
* check-name: and-or-trunc1
* check-command: test-linearize -Wno-decl $file
- * check-known-to-fail
*
* check-output-ignore
* check-output-excludes: and\\.
diff --git a/validation/optim/and-or-trunc2.c b/validation/optim/and-or-trunc2.c
index 04cb57e7..e66c1f14 100644
--- a/validation/optim/and-or-trunc2.c
+++ b/validation/optim/and-or-trunc2.c
@@ -6,7 +6,6 @@ char foo(int x, int y)
/*
* check-name: and-or-trunc2
* check-command: test-linearize -Wno-decl $file
- * check-known-to-fail
*
* check-output-ignore
* check-output-pattern(1): and\\.
diff --git a/validation/optim/and-or-truncx.c b/validation/optim/and-or-truncx.c
index 47d80dae..ef8249a1 100644
--- a/validation/optim/and-or-truncx.c
+++ b/validation/optim/and-or-truncx.c
@@ -6,7 +6,6 @@ char foo(int x, int y, int b)
/*
* check-name: and-or-truncx
* check-command: test-linearize -Wno-decl $file
- * check-known-to-fail
*
* check-output-ignore
* check-output-pattern(1): and\\.