diff options
| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1995-04-01 13:15:54 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1995-04-01 13:15:54 +0000 |
| commit | 646daf21d2efcc7a99a3159465712ee5866ebccf (patch) | |
| tree | 1db169110d3e70d0f1e53e4a31e1d4d06fe62497 /gcc/config/vax/vax.md | |
| parent | c9cba93a163086e138e6f46744a2f35cd9de47b5 (diff) | |
| download | gcc-646daf21d2efcc7a99a3159465712ee5866ebccf.tar.gz | |
(extv, extzv): Don't use immediate value for operand 1.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@9280 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/vax/vax.md')
| -rw-r--r-- | gcc/config/vax/vax.md | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/config/vax/vax.md b/gcc/config/vax/vax.md index d3368626ac5..6a5c389b4bc 100644 --- a/gcc/config/vax/vax.md +++ b/gcc/config/vax/vax.md @@ -1,5 +1,5 @@ ;;- Machine description for GNU compiler, Vax Version -;; Copyright (C) 1987, 1988, 1991, 1994 Free Software Foundation, Inc. +;; Copyright (C) 1987, 1988, 1991, 1994, 1995 Free Software Foundation, Inc. ;; This file is part of GNU CC. @@ -1419,11 +1419,12 @@ ;; When the field position and size are constant and the destination ;; is a register, extv and extzv are much slower than a rotate followed -;; by a bicl or sign extension. +;; by a bicl or sign extension. Becase we might end up choosing ext[z]v +;; anyway, we can't allow immediate values for the primary source operand. (define_insn "" [(set (match_operand:SI 0 "general_operand" "=g") - (sign_extract:SI (match_operand:SI 1 "nonmemory_operand" "r") + (sign_extract:SI (match_operand:SI 1 "nonimmediate_operand" "ro") (match_operand:QI 2 "general_operand" "g") (match_operand:SI 3 "general_operand" "g")))] "" @@ -1440,7 +1441,7 @@ (define_insn "" [(set (match_operand:SI 0 "general_operand" "=g") - (zero_extract:SI (match_operand:SI 1 "register_operand" "ri") + (zero_extract:SI (match_operand:SI 1 "nonimmediate_operand" "ro") (match_operand:QI 2 "general_operand" "g") (match_operand:SI 3 "general_operand" "g")))] "" |