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msvcrt: Optimize the aarch64 setjmp/longjmp using stp/ldp. 

stp/ldp don't require any more alignment than the normal str/ldr.

Signed-off-by: Martin Storsjo <martin@martin.st>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjo 2018-01-22 00:04:29 +02:00 committed by Alexandre Julliard
parent 20074ac855
commit 85635db0ea
1 changed files with 27 additions and 47 deletions
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74
dlls/msvcrt/except_arm64.c
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@ -141,65 +141,45 @@ __ASM_GLOBAL_FUNC(MSVCRT__setjmp,
* _setjmpex (MSVCRT.@)
*/
__ASM_GLOBAL_FUNC(MSVCRT__setjmpex,
"str x1, [x0]\n\t" /* jmp_buf->Frame */
"str x19, [x0, #0x10]\n\t" /* jmp_buf->X19 */
"str x20, [x0, #0x18]\n\t" /* jmp_buf->X20 */
"str x21, [x0, #0x20]\n\t" /* jmp_buf->X21 */
"str x22, [x0, #0x28]\n\t" /* jmp_buf->X22 */
"str x23, [x0, #0x30]\n\t" /* jmp_buf->X23 */
"str x24, [x0, #0x38]\n\t" /* jmp_buf->X24 */
"str x25, [x0, #0x40]\n\t" /* jmp_buf->X25 */
"str x26, [x0, #0x48]\n\t" /* jmp_buf->X26 */
"str x27, [x0, #0x50]\n\t" /* jmp_buf->X27 */
"str x28, [x0, #0x58]\n\t" /* jmp_buf->X28 */
"str x29, [x0, #0x60]\n\t" /* jmp_buf->Fp */
"str x30, [x0, #0x68]\n\t" /* jmp_buf->Lr */
"str x1, [x0]\n\t" /* jmp_buf->Frame */
"stp x19, x20, [x0, #0x10]\n\t" /* jmp_buf->X19, X20 */
"stp x21, x22, [x0, #0x20]\n\t" /* jmp_buf->X21, X22 */
"stp x23, x24, [x0, #0x30]\n\t" /* jmp_buf->X23, X24 */
"stp x25, x26, [x0, #0x40]\n\t" /* jmp_buf->X25, X26 */
"stp x27, x28, [x0, #0x50]\n\t" /* jmp_buf->X27, X28 */
"stp x29, x30, [x0, #0x60]\n\t" /* jmp_buf->Fp, Lr */
"mov x2, sp\n\t"
"str x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
"str x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
"mrs x2, fpcr\n\t"
"str w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
"str w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
"mrs x2, fpsr\n\t"
"str w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
"str d8, [x0, #0x80]\n\t" /* jmp_buf->D[0] */
"str d9, [x0, #0x88]\n\t" /* jmp_buf->D[1] */
"str d10, [x0, #0x90]\n\t" /* jmp_buf->D[2] */
"str d11, [x0, #0x98]\n\t" /* jmp_buf->D[3] */
"str d12, [x0, #0xa0]\n\t" /* jmp_buf->D[4] */
"str d13, [x0, #0xa8]\n\t" /* jmp_buf->D[5] */
"str d14, [x0, #0xb0]\n\t" /* jmp_buf->D[6] */
"str d15, [x0, #0xb8]\n\t" /* jmp_buf->D[7] */
"str w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
"stp d8, d9, [x0, #0x80]\n\t" /* jmp_buf->D[0-1] */
"stp d10, d11, [x0, #0x90]\n\t" /* jmp_buf->D[2-3] */
"stp d12, d13, [x0, #0xa0]\n\t" /* jmp_buf->D[4-5] */
"stp d14, d15, [x0, #0xb0]\n\t" /* jmp_buf->D[6-7] */
"mov x0, #0\n\t"
"ret");
extern void DECLSPEC_NORETURN CDECL longjmp_set_regs(struct MSVCRT___JUMP_BUFFER *jmp, int retval);
__ASM_GLOBAL_FUNC(longjmp_set_regs,
"ldr x19, [x0, #0x10]\n\t" /* jmp_buf->X19 */
"ldr x20, [x0, #0x18]\n\t" /* jmp_buf->X20 */
"ldr x21, [x0, #0x20]\n\t" /* jmp_buf->X21 */
"ldr x22, [x0, #0x28]\n\t" /* jmp_buf->X22 */
"ldr x23, [x0, #0x30]\n\t" /* jmp_buf->X23 */
"ldr x24, [x0, #0x38]\n\t" /* jmp_buf->X24 */
"ldr x25, [x0, #0x40]\n\t" /* jmp_buf->X25 */
"ldr x26, [x0, #0x48]\n\t" /* jmp_buf->X26 */
"ldr x27, [x0, #0x50]\n\t" /* jmp_buf->X27 */
"ldr x28, [x0, #0x58]\n\t" /* jmp_buf->X28 */
"ldr x29, [x0, #0x60]\n\t" /* jmp_buf->Fp */
"ldr x30, [x0, #0x68]\n\t" /* jmp_buf->Lr */
"ldr x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
"ldp x19, x20, [x0, #0x10]\n\t" /* jmp_buf->X19, X20 */
"ldp x21, x22, [x0, #0x20]\n\t" /* jmp_buf->X21, X22 */
"ldp x23, x24, [x0, #0x30]\n\t" /* jmp_buf->X23, X24 */
"ldp x25, x26, [x0, #0x40]\n\t" /* jmp_buf->X25, X26 */
"ldp x27, x28, [x0, #0x50]\n\t" /* jmp_buf->X27, X28 */
"ldp x29, x30, [x0, #0x60]\n\t" /* jmp_buf->Fp, Lr */
"ldr x2, [x0, #0x70]\n\t" /* jmp_buf->Sp */
"mov sp, x2\n\t"
"ldr w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
"ldr w2, [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
"msr fpcr, x2\n\t"
"ldr w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
"ldr w2, [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
"msr fpsr, x2\n\t"
"ldr d8, [x0, #0x80]\n\t" /* jmp_buf->D[0] */
"ldr d9, [x0, #0x88]\n\t" /* jmp_buf->D[1] */
"ldr d10, [x0, #0x90]\n\t" /* jmp_buf->D[2] */
"ldr d11, [x0, #0x98]\n\t" /* jmp_buf->D[3] */
"ldr d12, [x0, #0xa0]\n\t" /* jmp_buf->D[4] */
"ldr d13, [x0, #0xa8]\n\t" /* jmp_buf->D[5] */
"ldr d14, [x0, #0xb0]\n\t" /* jmp_buf->D[6] */
"ldr d15, [x0, #0xb8]\n\t" /* jmp_buf->D[7] */
"ldp d8, d9, [x0, #0x80]\n\t" /* jmp_buf->D[0-1] */
"ldp d10, d11, [x0, #0x90]\n\t" /* jmp_buf->D[2-3] */
"ldp d12, d13, [x0, #0xa0]\n\t" /* jmp_buf->D[4-5] */
"ldp d14, d15, [x0, #0xb0]\n\t" /* jmp_buf->D[6-7] */
"mov x0, x1\n\t" /* retval */
"ret");