diff --git a/gcc/config/nvptx/nvptx.h b/gcc/config/nvptx/nvptx.h index 013ebada960..985f9bc69ce 100644 --- a/gcc/config/nvptx/nvptx.h +++ b/gcc/config/nvptx/nvptx.h @@ -86,6 +86,13 @@ #define Pmode (TARGET_ABI64 ? DImode : SImode) #define STACK_SIZE_MODE Pmode +/* We always have to maintain the '-msoft-stack' pointer, but the PTX "native" + stack pointer is handled implicitly at function level. */ +#define STACK_SAVEAREA_MODE(LEVEL) \ + (TARGET_SOFT_STACK ? Pmode \ + : (LEVEL == SAVE_FUNCTION ? VOIDmode \ + : Pmode)) + #include "nvptx-gen.h" /* There are no 'TARGET_PTX_3_1' and smaller conditionals: our baseline is diff --git a/gcc/config/nvptx/nvptx.md b/gcc/config/nvptx/nvptx.md index 56cd25e77e4..b300f2e596c 100644 --- a/gcc/config/nvptx/nvptx.md +++ b/gcc/config/nvptx/nvptx.md @@ -1716,11 +1716,24 @@ DONE; }) +(define_expand "save_stack_function" + [(match_operand 0 "register_operand" "") + (match_operand 1 "register_operand" "")] + "!TARGET_SOFT_STACK" +{ + /* See 'STACK_SAVEAREA_MODE'. */ + gcc_checking_assert (operands[0] == 0); + DONE; +}) + (define_expand "restore_stack_function" [(match_operand 0 "register_operand" "") (match_operand 1 "register_operand" "")] "" { + if (!TARGET_SOFT_STACK) + /* See 'STACK_SAVEAREA_MODE'. */ + gcc_checking_assert (operands[1] == 0); DONE; })