From fabd23a354496701b4a9ebf6931485b0d61c7bbe Mon Sep 17 00:00:00 2001 From: Mahesh Bodapati Date: Sat, 26 Aug 2017 19:21:45 -0700 Subject: [PATCH] MicroBlaze correct the const high double immediate value With this patch the loading of the DI mode immediate values will be using REAL_VALUE_FROM_CONST_DOUBLE and REAL_VALUE_TO_TARGET_DOUBLE functions, as CONST_DOUBLE_HIGH was returning the sign extension value even of the unsigned long long constants also ChangeLog: 2016-02-03 Nagaraju Mekala Ajit Agarwal * microblaze.c (print_operand): Use REAL_VALUE_FROM_CONST_DOUBLE & REAL_VALUE_TO_TARGET_DOUBLE * long.c (new): Added new testcase Signed-off-by: Nagaraju Mekala Signed-off-by: Ajit Agarwal Signed-off-by: Mahesh Bodapati Signed-off-by: Manjukumar Matha Upstream-Status: Pending --- gcc/config/microblaze/microblaze.c | 6 ++++-- gcc/testsuite/gcc.target/microblaze/long.c | 10 ++++++++++ 2 files changed, 14 insertions(+), 2 deletions(-) create mode 100644 gcc/testsuite/gcc.target/microblaze/long.c diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c index e7697bf30d..96bf6e1cab 100644 --- a/gcc/config/microblaze/microblaze.c +++ b/gcc/config/microblaze/microblaze.c @@ -2493,14 +2493,16 @@ print_operand (FILE * file, rtx op, int letter) else if (letter == 'h' || letter == 'j') { long val[2]; + long l[2]; if (code == CONST_DOUBLE) { if (GET_MODE (op) == DFmode) REAL_VALUE_TO_TARGET_DOUBLE (*CONST_DOUBLE_REAL_VALUE (op), val); else { - val[0] = CONST_DOUBLE_HIGH (op); - val[1] = CONST_DOUBLE_LOW (op); + REAL_VALUE_TO_TARGET_DOUBLE (*CONST_DOUBLE_REAL_VALUE (op), l); + val[1] = l[WORDS_BIG_ENDIAN == 0]; + val[0] = l[WORDS_BIG_ENDIAN != 0]; } } else if (code == CONST_INT) diff --git a/gcc/testsuite/gcc.target/microblaze/long.c b/gcc/testsuite/gcc.target/microblaze/long.c new file mode 100644 index 0000000000..4d4518619d --- /dev/null +++ b/gcc/testsuite/gcc.target/microblaze/long.c @@ -0,0 +1,10 @@ +/* { dg-options "-O0" } */ +#define BASEADDR 0xF0000000ULL +int main () +{ + unsigned long long start; + start = (unsigned long long) BASEADDR; + return 0; +} +/* { dg-final { scan-assembler "addik\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r0,0x00000000" } } */ +/* { dg-final { scan-assembler "addik\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r0,0xf0000000" } } */ -- 2.14.2