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| author | Lulu Cheng <chenglulu@loongson.cn> | 2024-07-04 10:37:26 +0800 |
|---|---|---|
| committer | Lulu Cheng <chenglulu@loongson.cn> | 2024-07-13 14:07:50 +0800 |
| commit | 616c3290785c204b3019e7aaff8a7d9bb425d336 (patch) | |
| tree | 469bcfdd4536f2a6102a87fa65bbaddd03d52112 | |
| parent | 6f5b676416b517848f772cc3231aab92f6c709cb (diff) | |
| download | gcc-616c3290785c204b3019e7aaff8a7d9bb425d336.zip gcc-616c3290785c204b3019e7aaff8a7d9bb425d336.tar.gz gcc-616c3290785c204b3019e7aaff8a7d9bb425d336.tar.bz2 | |
LoongArch: TFmode is not allowed to be stored in the float register.
PR target/115752
gcc/ChangeLog:
* config/loongarch/loongarch.cc
(loongarch_hard_regno_mode_ok_uncached): Replace
UNITS_PER_FPVALUE with UNITS_PER_HWFPVALUE.
* config/loongarch/loongarch.h (UNITS_PER_FPVALUE): Delete.
gcc/testsuite/ChangeLog:
* gcc.target/loongarch/pr115752.c: New test.
(cherry picked from commit abeb6c8a62758faa0719e818e6e8a7db15a6793b)
| -rw-r--r-- | gcc/config/loongarch/loongarch.cc | 2 | ||||
| -rw-r--r-- | gcc/config/loongarch/loongarch.h | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/loongarch/pr115752.c | 8 |
3 files changed, 9 insertions, 8 deletions
diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc index 2238858..be26e15 100644 --- a/gcc/config/loongarch/loongarch.cc +++ b/gcc/config/loongarch/loongarch.cc @@ -5491,7 +5491,7 @@ loongarch_hard_regno_mode_ok_uncached (unsigned int regno, machine_mode mode) if (mclass == MODE_FLOAT || mclass == MODE_COMPLEX_FLOAT || mclass == MODE_VECTOR_FLOAT) - return size <= UNITS_PER_FPVALUE; + return size <= UNITS_PER_HWFPVALUE; /* Allow integer modes that fit into a single register. We need to put integers into FPRs when using instructions like CVT diff --git a/gcc/config/loongarch/loongarch.h b/gcc/config/loongarch/loongarch.h index d072522..b1149a1 100644 --- a/gcc/config/loongarch/loongarch.h +++ b/gcc/config/loongarch/loongarch.h @@ -202,13 +202,6 @@ along with GCC; see the file COPYING3. If not see #define UNITS_PER_HWFPVALUE \ (TARGET_SOFT_FLOAT ? 0 : UNITS_PER_FPREG) -/* The largest size of value that can be held in floating-point - registers. */ -#define UNITS_PER_FPVALUE \ - (TARGET_SOFT_FLOAT ? 0 \ - : TARGET_SINGLE_FLOAT ? UNITS_PER_FPREG \ - : LONG_DOUBLE_TYPE_SIZE / BITS_PER_UNIT) - /* The number of bytes in a double. */ #define UNITS_PER_DOUBLE (TYPE_PRECISION (double_type_node) / BITS_PER_UNIT) diff --git a/gcc/testsuite/gcc.target/loongarch/pr115752.c b/gcc/testsuite/gcc.target/loongarch/pr115752.c new file mode 100644 index 0000000..df4bae5 --- /dev/null +++ b/gcc/testsuite/gcc.target/loongarch/pr115752.c @@ -0,0 +1,8 @@ +/* { dg-do compile } */ + +long double +test (long double xx) +{ + __asm ("" :: "f"(xx)); /* { dg-error "inconsistent operand constraints in an 'asm'" } */ + return xx + 1; +} |