From b10f218708c0cc0f878ff4a474e46196bc30e3b5 Mon Sep 17 00:00:00 2001 From: "J\"orn Rennecke" Date: Wed, 4 Sep 2002 17:49:58 +0000 Subject: [PATCH] combine.c (make_compound_operation): Don't generate zero / sign extensions in floating point modes. * combine.c (make_compound_operation): Don't generate zero / sign extensions in floating point modes. From-SVN: r56804 --- gcc/ChangeLog | 5 +++++ gcc/combine.c | 6 +++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7f11bb8c16d..682001bb491 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Sep 4 18:48:10 2002 J"orn Rennecke + + * combine.c (make_compound_operation): Don't generate zero / sign + extensions in floating point modes. + 2002-09-04 Janis Johnson * doc/c-tree.texi: Fix overfull hboxes. diff --git a/gcc/combine.c b/gcc/combine.c index 4a2ae3c9743..10ee904681e 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6629,7 +6629,11 @@ make_compound_operation (x, in_code) if (GET_MODE_SIZE (mode) > GET_MODE_SIZE (GET_MODE (tem)) || (GET_MODE_SIZE (mode) > GET_MODE_SIZE (GET_MODE (XEXP (tem, 0))))) - tem = gen_rtx_fmt_e (GET_CODE (tem), mode, XEXP (tem, 0)); + { + if (! INTEGRAL_MODE_P (mode)) + break; + tem = gen_rtx_fmt_e (GET_CODE (tem), mode, XEXP (tem, 0)); + } else tem = gen_lowpart_for_combine (mode, XEXP (tem, 0)); return tem; -- 2.30.2