From a92123e9663dc9b205a282d35c59a9100835de84 Mon Sep 17 00:00:00 2001
From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 28 Mar 2002 18:52:43 +0000
Subject: [PATCH] * config/alpha/alpha.c
(alpha_emit_conditional_branch): TFmode NE comparison should be done
vs !=0 not >0 return code. Tidy cases.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51519 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 5 +++++
gcc/config/alpha/alpha.c | 30 +++++++++++++++++++-----------
2 files changed, 24 insertions(+), 11 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 288f5107940c..b1094d701e8c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-03-28 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_emit_conditional_branch): TFmode NE
+ comparison should be done vs !=0 not >0 return code. Tidy cases.
+
2002-03-28 Richard Henderson <rth@redhat.com>
* c-decl.c (finish_function): New arg can_defer_p. Pass it
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index 6893677a2066..73baa891e7e4 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -2812,21 +2812,29 @@ alpha_emit_conditional_branch (code)
1 true
Convert the compare against the raw return value. */
- if (code == UNORDERED || code == ORDERED)
- cmp_code = EQ;
- else
- cmp_code = code;
+ switch (code)
+ {
+ case UNORDERED:
+ cmp_code = EQ;
+ code = LT;
+ break;
+ case ORDERED:
+ cmp_code = EQ;
+ code = GE;
+ break;
+ case NE:
+ cmp_code = NE;
+ code = NE;
+ break;
+ default:
+ cmp_code = code;
+ code = GT;
+ break;
+ }
op0 = alpha_emit_xfloating_compare (cmp_code, op0, op1);
op1 = const0_rtx;
alpha_compare.fp_p = 0;
-
- if (code == UNORDERED)
- code = LT;
- else if (code == ORDERED)
- code = GE;
- else
- code = GT;
}
/* The general case: fold the comparison code to the types of compares
--
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