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[Qemu-devel] [PATCH for-4.0 v2 16/37] tcg/arm: Add constraints for R0-R5
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH for-4.0 v2 16/37] tcg/arm: Add constraints for R0-R5 |
Date: |
Fri, 23 Nov 2018 15:45:37 +0100 |
These are function call arguments that we will need soon.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/arm/tcg-target.inc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c
index 414c91c9ea..4339c472e8 100644
--- a/tcg/arm/tcg-target.inc.c
+++ b/tcg/arm/tcg-target.inc.c
@@ -246,7 +246,12 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type,
static const char *target_parse_constraint(TCGArgConstraint *ct,
const char *ct_str, TCGType type)
{
- switch (*ct_str++) {
+ char c = *ct_str++;
+ switch (c) {
+ case 'a' ... 'f': /* r0 - r5 */
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set_reg(ct->u.regs, TCG_REG_R0 + (c - 'a'));
+ break;
case 'I':
ct->ct |= TCG_CT_CONST_ARM;
break;
--
2.17.2
- [Qemu-devel] [PATCH for-4.0 v2 03/37] tcg: Return success from patch_reloc, (continued)
- [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, 2018/11/23
- [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
- [Qemu-devel] [PATCH for-4.0 v2 14/37] tcg/aarch64: Use TCG_TARGET_NEED_LDST_OOL_LABELS, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 16/37] tcg/arm: Add constraints for R0-R5,
Richard Henderson <=
- [Qemu-devel] [PATCH for-4.0 v2 15/37] tcg/arm: Parameterize the temps for tcg_out_tlb_read, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 29/37] tcg: Add TCG_TARGET_HAS_MEMORY_BSWAP, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 27/37] tcg: Clean up generic bswap64, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 24/37] tcg/ppc: Force qemu_ld/st arguments into fixed registers, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 18/37] tcg/arm: Force qemu_ld/st arguments into fixed registers, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 17/37] tcg/arm: Reduce the number of temps for tcg_out_tlb_read, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 22/37] tcg/ppc: Add constraints for R7-R8, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 20/37] tcg/ppc: Parameterize the temps for tcg_out_tlb_read, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 34/37] tcg/i386: Restrict user-only qemu_st_i32 values to q-regs, Richard Henderson, 2018/11/23
- [Qemu-devel] [PATCH for-4.0 v2 36/37] tcg/i386: Require segment syscalls to succeed, Richard Henderson, 2018/11/23