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[Qemu-devel] [PATCH for-4.0 v2 10/37] tcg/aarch64: Add constraints for x
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH for-4.0 v2 10/37] tcg/aarch64: Add constraints for x0, x1, x2 |
Date: |
Fri, 23 Nov 2018 15:45:31 +0100 |
These are function call arguments that we will need soon.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/aarch64/tcg-target.inc.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c
index 30091f6a69..148de0b7f2 100644
--- a/tcg/aarch64/tcg-target.inc.c
+++ b/tcg/aarch64/tcg-target.inc.c
@@ -125,6 +125,18 @@ static const char
*target_parse_constraint(TCGArgConstraint *ct,
const char *ct_str, TCGType type)
{
switch (*ct_str++) {
+ case 'a': /* x0 */
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set_reg(ct->u.regs, TCG_REG_X0);
+ break;
+ case 'b': /* x1 */
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set_reg(ct->u.regs, TCG_REG_X1);
+ break;
+ case 'c': /* x2 */
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set_reg(ct->u.regs, TCG_REG_X2);
+ break;
case 'r': /* general registers */
ct->ct |= TCG_CT_REG;
ct->u.regs |= 0xffffffffu;
--
2.17.2
- Re: [Qemu-devel] [PATCH for-4.0 v2 07/37] tcg/i386: Change TCG_REG_L[01] to not overlap function arguments, (continued)
- [Qemu-devel] [PATCH for-4.0 v2 06/37] tcg/i386: Return a base register from tcg_out_tlb_load, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 03/37] tcg: Return success from patch_reloc, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 05/37] tcg/i386: Add constraints for r8 and r9, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 04/37] tcg: Add TCG_TARGET_NEED_LDST_OOL_LABELS, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 10/37] tcg/aarch64: Add constraints for x0, x1, x2,
Richard Henderson <=
- [Qemu-devel] [PATCH for-4.0 v2 11/37] tcg/aarch64: Parameterize the temps for tcg_out_tlb_read, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 12/37] tcg/aarch64: Parameterize the temp for tcg_out_goto_long, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 13/37] tcg/aarch64: Use B not BL for tcg_out_goto_long, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 09/37] tcg/i386: Use TCG_TARGET_NEED_LDST_OOL_LABELS, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 08/37] tcg/i386: Force qemu_ld/st arguments into fixed registers, Richard Henderson, 2018/11/23