diff options
Diffstat (limited to 'compiler-rt')
-rw-r--r-- | compiler-rt/lib/builtins/riscv/restore.S | 42 | ||||
-rw-r--r-- | compiler-rt/lib/builtins/riscv/save.S | 42 |
2 files changed, 84 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/riscv/restore.S b/compiler-rt/lib/builtins/riscv/restore.S index 73f64a9..6f43842 100644 --- a/compiler-rt/lib/builtins/riscv/restore.S +++ b/compiler-rt/lib/builtins/riscv/restore.S @@ -22,6 +22,8 @@ #if __riscv_xlen == 32 +#ifndef __riscv_32e + .globl __riscv_restore_12 .type __riscv_restore_12,@function __riscv_restore_12: @@ -86,8 +88,29 @@ __riscv_restore_0: addi sp, sp, 16 ret +#else + + .globl __riscv_restore_2 + .type __riscv_restore_2,@function + .globl __riscv_restore_1 + .type __riscv_restore_1,@function + .globl __riscv_restore_0 + .type __riscv_restore_0,@function +__riscv_restore_2: +__riscv_restore_1: +__riscv_restore_0: + lw s1, 0(sp) + lw s0, 4(sp) + lw ra, 8(sp) + addi sp, sp, 12 + ret + +#endif + #elif __riscv_xlen == 64 +#ifndef __riscv_64e + .globl __riscv_restore_12 .type __riscv_restore_12,@function __riscv_restore_12: @@ -162,5 +185,24 @@ __riscv_restore_0: ret #else + + .globl __riscv_restore_2 + .type __riscv_restore_2,@function + .globl __riscv_restore_1 + .type __riscv_restore_1,@function + .globl __riscv_restore_0 + .type __riscv_restore_0,@function +__riscv_restore_2: +__riscv_restore_1: +__riscv_restore_0: + ld s1, 0(sp) + ld s0, 8(sp) + ld ra, 16(sp) + addi sp, sp, 24 + ret + +#endif + +#else # error "xlen must be 32 or 64 for save-restore implementation #endif diff --git a/compiler-rt/lib/builtins/riscv/save.S b/compiler-rt/lib/builtins/riscv/save.S index 85501ae..3e04417 100644 --- a/compiler-rt/lib/builtins/riscv/save.S +++ b/compiler-rt/lib/builtins/riscv/save.S @@ -18,6 +18,8 @@ #if __riscv_xlen == 32 +#ifndef __riscv_32e + .globl __riscv_save_12 .type __riscv_save_12,@function __riscv_save_12: @@ -92,8 +94,29 @@ __riscv_save_0: sw ra, 12(sp) jr t0 +#else + + .globl __riscv_save_2 + .type __riscv_save_2,@function + .globl __riscv_save_1 + .type __riscv_save_1,@function + .globl __riscv_save_0 + .type __riscv_save_0,@function +__riscv_save_2: +__riscv_save_1: +__riscv_save_0: + addi sp, sp, -12 + sw s1, 0(sp) + sw s0, 4(sp) + sw ra, 8(sp) + jr t0 + +#endif + #elif __riscv_xlen == 64 +#ifndef __riscv_64e + .globl __riscv_save_12 .type __riscv_save_12,@function __riscv_save_12: @@ -182,5 +205,24 @@ __riscv_save_0: jr t0 #else + + .globl __riscv_save_2 + .type __riscv_save_2,@function + .globl __riscv_save_1 + .type __riscv_save_1,@function + .globl __riscv_save_0 + .type __riscv_save_0,@function +__riscv_save_2: +__riscv_save_1: +__riscv_save_0: + addi sp, sp, -24 + sd s1, 0(sp) + sd s0, 8(sp) + sd ra, 16(sp) + jr t0 + +#endif + +#else # error "xlen must be 32 or 64 for save-restore implementation #endif |