diff options
Diffstat (limited to 'arm-gen.c')
| -rw-r--r-- | arm-gen.c | 22 |
1 files changed, 16 insertions, 6 deletions
@@ -34,6 +34,8 @@ #define NB_REGS 9 #endif +typedef int RegArgs; + #ifndef TCC_ARM_VERSION # define TCC_ARM_VERSION 5 #endif @@ -867,9 +869,14 @@ int floats_in_core_regs(SValue *sval) } } +ST_FUNC int regargs_nregs(RegArgs *args) +{ + return *args; +} + /* Return the number of registers needed to return the struct, or 0 if returning via struct pointer. */ -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *ret_align, int *regsize) { +ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *ret_align, int *regsize, RegArgs *args) { #ifdef TCC_ARM_EABI int size, align; size = type_size(vt, &align); @@ -879,18 +886,20 @@ ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *ret_align, int *regsize = 8; ret->ref = NULL; ret->t = VT_DOUBLE; - return (size + 7) >> 3; + *args = (size + 7) >> 3; } else if (size <= 4) { *ret_align = 4; *regsize = 4; ret->ref = NULL; ret->t = VT_INT; - return 1; + *args = 1; } else - return 0; + *args = 0; #else - return 0; + *args = 0; #endif + + return *args != 0; } /* Parameters are classified according to how they are copied to their final @@ -1260,6 +1269,7 @@ void gfunc_prolog(CType *func_type) int n, nf, size, align, rs, struct_ret = 0; int addr, pn, sn; /* pn=core, sn=stack */ CType ret_type; + RegArgs dummy; #ifdef TCC_ARM_EABI struct avail_regs avregs = AVAIL_REGS_INITIALIZER; @@ -1271,7 +1281,7 @@ void gfunc_prolog(CType *func_type) n = nf = 0; if ((func_vt.t & VT_BTYPE) == VT_STRUCT && - !gfunc_sret(&func_vt, func_var, &ret_type, &align, &rs)) + !gfunc_sret(&func_vt, func_var, &ret_type, &align, &rs, &dummy)) { n++; struct_ret = 1; |