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| author | Wei Guozhi <carrot@google.com> | 2010-01-27 09:19:36 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2010-01-27 09:19:36 +0000 |
| commit | 336e24cffcbd49a3061e03a9040906ad9871ebf8 (patch) | |
| tree | bcc6e68fe7d01284fc11a330418a65335c79222f | |
| parent | b4b04ed67dee0b74eaad24d08711590b4dd04d3b (diff) | |
| download | gcc-336e24cffcbd49a3061e03a9040906ad9871ebf8.zip gcc-336e24cffcbd49a3061e03a9040906ad9871ebf8.tar.gz gcc-336e24cffcbd49a3061e03a9040906ad9871ebf8.tar.bz2 | |
re PR target/42671 (Thumb2 generate more instructions than Thumb1 to load GOT address)
PR target/42671
* config/arm/arm.c (arm_load_pic_register): Use the same code
sequence with Thumb2 as for Thumb1.
* config/arm/arm.md (pic_add_dot_plus_four): Enable this pattern
for all Thumb varieties.
From-SVN: r156276
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.md | 4 |
3 files changed, 12 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7c976bd..16840a8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2010-01-27 Wei Guozhi <carrot@google.com> + + PR target/42671 + * config/arm/arm.c (arm_load_pic_register): Use the same code + sequence with Thumb2 as for Thumb1. + * config/arm/arm.md (pic_add_dot_plus_four): Enable this pattern + for all Thumb varieties. + 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index ffff9ab..877e9bb 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -1,6 +1,6 @@ /* Output routines for GCC for ARM. Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, - 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 + 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl) and Martin Simmons (@harleqn.co.uk). @@ -5150,8 +5150,7 @@ arm_load_pic_register (unsigned long saved_regs ATTRIBUTE_UNUSED) } emit_insn (gen_pic_load_addr_thumb2 (pic_reg, pic_rtx)); - emit_insn (gen_pic_load_dot_plus_four (pic_tmp, labelno)); - emit_insn (gen_addsi3 (pic_reg, pic_reg, pic_tmp)); + emit_insn (gen_pic_add_dot_plus_four (pic_reg, pic_reg, labelno)); } else /* TARGET_THUMB1 */ { diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index cbb0a1b..ae1aad2 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -1,6 +1,6 @@ ;;- Machine description for ARM for GNU compiler ;; Copyright 1991, 1993, 1994, 1995, 1996, 1996, 1997, 1998, 1999, 2000, -;; 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 +;; 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 ;; Free Software Foundation, Inc. ;; Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl) ;; and Martin Simmons (@harleqn.co.uk). @@ -5267,7 +5267,7 @@ (const_int 4) (match_operand 2 "" "")] UNSPEC_PIC_BASE))] - "TARGET_THUMB1" + "TARGET_THUMB" "* (*targetm.asm_out.internal_label) (asm_out_file, \"LPIC\", INTVAL (operands[2])); |