From 174ddc670acd832f63a981938e96df11304e2aa9 Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Wed, 14 Dec 2005 17:55:16 +0000 Subject: [PATCH] arm.md: Provide a big-endian version of the (zero_extend:SI (subreg:QI ...)) splitter. * gcc/config/arm/arm.md: Provide a big-endian version of the (zero_extend:SI (subreg:QI ...)) splitter. From-SVN: r108524 --- gcc/ChangeLog | 5 +++++ gcc/config/arm/arm.md | 10 ++++++++++ 2 files changed, 15 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 62be1623c16..3831d49dfdb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-12-14 Richard Sandiford + + * gcc/config/arm/arm.md: Provide a big-endian version of the + (zero_extend:SI (subreg:QI ...)) splitter. + 2005-12-14 J"orn Rennecke * struct-equiv.c (note_local_live): Handle hard regs with different diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index aa28c3fae77..f9d4743380b 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -3500,6 +3500,16 @@ "" ) +(define_split + [(set (match_operand:SI 0 "s_register_operand" "") + (zero_extend:SI (subreg:QI (match_operand:SI 1 "" "") 3))) + (clobber (match_operand:SI 2 "s_register_operand" ""))] + "TARGET_ARM && (GET_CODE (operands[1]) != MEM) && BYTES_BIG_ENDIAN" + [(set (match_dup 2) (match_dup 1)) + (set (match_dup 0) (and:SI (match_dup 2) (const_int 255)))] + "" +) + (define_insn "*compareqi_eq0" [(set (reg:CC_Z CC_REGNUM) (compare:CC_Z (match_operand:QI 0 "s_register_operand" "r") -- 2.30.2