diff options
Diffstat (limited to 'gcc/config/xtensa/xtensa.h')
| -rw-r--r-- | gcc/config/xtensa/xtensa.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/config/xtensa/xtensa.h b/gcc/config/xtensa/xtensa.h index 01c0caef91d..776fb5feb23 100644 --- a/gcc/config/xtensa/xtensa.h +++ b/gcc/config/xtensa/xtensa.h @@ -209,6 +209,15 @@ extern unsigned xtensa_current_frame_size; bitfields and the structures that contain them. */ #define PCC_BITFIELD_TYPE_MATTERS 1 +/* Disable the use of word-sized or smaller complex modes for structures, + and for function arguments in particular, where they cause problems with + register a7. The xtensa_copy_incoming_a7 function assumes that there is + a single reference to an argument in a7, but with small complex modes the + real and imaginary components may be extracted separately, leading to two + uses of the register, only one of which would be replaced. */ +#define MEMBER_TYPE_FORCES_BLK(FIELD, MODE) \ + ((MODE) == CQImode || (MODE) == CHImode) + /* Align string constants and constructors to at least a word boundary. The typical use of this macro is to increase alignment for string constants to be word aligned so that 'strcpy' calls that copy |