| From fabd23a354496701b4a9ebf6931485b0d61c7bbe Mon Sep 17 00:00:00 2001 |
| From: Mahesh Bodapati <mbodapat@xilinx.com> |
| 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 <nagaraju.mekala@xilinx.com> |
| Ajit Agarwal <ajitkum@xilinx.com> |
| |
| * 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 <nagaraju.mekala@xilinx.com> |
| Signed-off-by: Ajit Agarwal <ajitkum@xilinx.com> |
| Signed-off-by: Mahesh Bodapati <mbodapat@xilinx.com> |
| Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com> |
| 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 |
| |