system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-11-02 21:32:52 +00:00
Code Issues Projects Releases Packages Wiki Activity

target/loongarch: Fix macros SET_FPU_* in cpu.h

Browse source 
The macros SET_FPU_* are used to set corresponding bits of fcsr.
Unfortunately it forgets to set the result and it causes fcsr's
"CAUSE" never being updated. This patch is to fix this bug.

Signed-off-by: Qi Hu <huqi@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220804132450.314329-1-huqi@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Qi Hu 2022-08-04 21:24:50 +08:00 committed by Richard Henderson
parent 09ed077d7f
commit 00952d93e0
1 changed files with 15 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
target/loongarch/cpu.h
View file

@ -47,11 +47,23 @@ FIELD(FCSR0, FLAGS, 16, 5)
FIELD(FCSR0, CAUSE, 24, 5)
#define GET_FP_CAUSE(REG) FIELD_EX32(REG, FCSR0, CAUSE)
#define SET_FP_CAUSE(REG, V) FIELD_DP32(REG, FCSR0, CAUSE, V)
#define SET_FP_CAUSE(REG, V) \
do { \
(REG) = FIELD_DP32(REG, FCSR0, CAUSE, V); \
} while (0)
#define GET_FP_ENABLES(REG) FIELD_EX32(REG, FCSR0, ENABLES)
#define SET_FP_ENABLES(REG, V) FIELD_DP32(REG, FCSR0, ENABLES, V)
#define SET_FP_ENABLES(REG, V) \
do { \
(REG) = FIELD_DP32(REG, FCSR0, ENABLES, V); \
} while (0)
#define GET_FP_FLAGS(REG) FIELD_EX32(REG, FCSR0, FLAGS)
#define SET_FP_FLAGS(REG, V) FIELD_DP32(REG, FCSR0, FLAGS, V)
#define SET_FP_FLAGS(REG, V) \
do { \
(REG) = FIELD_DP32(REG, FCSR0, FLAGS, V); \
} while (0)
#define UPDATE_FP_FLAGS(REG, V) \
do { \
(REG) |= FIELD_DP32(0, FCSR0, FLAGS, V); \