From a138247b54d4ef96223a66366845b03a9729d51f Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Sat, 9 Feb 2002 03:58:50 +0000 Subject: [PATCH] sh.h (REGISTER_NATURAL_MODE): Save part-clobbered registers in SImode. * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered registers in SImode. (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as part-clobbered. From-SVN: r49632 --- gcc/ChangeLog | 5 +++++ gcc/config/sh/sh.h | 9 ++++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5c88767..37381dd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2002-02-09 Alexandre Oliva + * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered + registers in SImode. + (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as + part-clobbered. + * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's patch. diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h index c33f6c0..3f0cad2 100644 --- a/gcc/config/sh/sh.h +++ b/gcc/config/sh/sh.h @@ -720,7 +720,9 @@ extern char sh_additional_register_names[ADDREGNAMES_SIZE] \ #define REGISTER_NATURAL_MODE(REGNO) \ (FP_REGISTER_P (REGNO) ? SFmode \ : XD_REGISTER_P (REGNO) ? DFmode \ - : TARGET_SHMEDIA ? DImode : SImode) + : TARGET_SHMEDIA && ! HARD_REGNO_CALL_PART_CLOBBERED ((REGNO), DImode) \ + ? DImode \ + : SImode) #define FIRST_PSEUDO_REGISTER 153 @@ -811,8 +813,9 @@ extern char sh_additional_register_names[ADDREGNAMES_SIZE] \ #define HARD_REGNO_CALL_PART_CLOBBERED(REGNO,MODE) \ (TARGET_SHMEDIA32 \ && GET_MODE_SIZE (MODE) > 4 \ - && (REGNO) >= FIRST_GENERAL_REG + 10 \ - && (REGNO) <= FIRST_GENERAL_REG + 14) + && (((REGNO) >= FIRST_GENERAL_REG + 10 \ + && (REGNO) <= FIRST_GENERAL_REG + 14) \ + || (REGNO) == PR_MEDIA_REG)) /* Return number of consecutive hard regs needed starting at reg REGNO to hold something of mode MODE. -- 2.7.4